[chore:] adapt button enabeling to existance of PersonErrors

# Conflicts:
#	MainWindow.axaml.cs
#	Tasks/AddressCreation.cs
#	Tasks/PdfBuilder.cs

DataStore/DataStructures.cs

@@ -180,6 +180,17 @@ public class KasPerson
 
     public string used_plz { get; set; } = "";
 
+    public bool IsGermany()
+    {
+        var trimmedLand = (land ?? "").Trim();
+        var trimmedLowerLand = trimmedLand.ToLower();
+        var isGermany = trimmedLowerLand == "germany" || trimmedLowerLand == "ger" ||
+                        trimmedLowerLand == "" || trimmedLowerLand == "de" ||
+                        trimmedLowerLand == "deutschland";
+
+        return isGermany;
+    }
+    
     public static void SetUsedPLZ(int id, string plz)
     {
         foreach (var set in Settings._instance.addressSets.addresses)

DataStore/Settings.cs

@@ -12,8 +12,8 @@ public class Settings
     public Customers customers = new();
     public PdfExportSettings pdfExport { get; set; } = new();
 
-    public string settingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-        "logofclient", "config.json");
+    // public string settingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+    //     "logofclient", "config.json");
 
     public Settings()
     {
@@ -23,31 +23,28 @@ public class Settings
 
     public static void Save()
     {
-        if (!Directory.Exists(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-                "logofclient")))
-            Directory.CreateDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-                "logofclient"));
-        if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
+        if (!Directory.Exists(Global._instance.config_path) && !File.Exists((Global._instance.config_path)))
+            Directory.CreateDirectory(Global._instance.config_path);
+        // if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
 
         var json = JsonConvert.SerializeObject(_instance);
-        File.WriteAllText(_instance.settingsPath, json);
+        File.WriteAllText(Path.Combine(Global._instance.config_path,"config.json"), json);
     }
 
     public static void Load()
     {
-        if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
+        //if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
 
         try
         {
-            var contents = File.ReadAllText(_instance.settingsPath);
+            var contents = File.ReadAllText(Path.Combine(Global._instance.config_path, "config.json"));
             _instance = JsonConvert.DeserializeObject<Settings>(contents);
             MainWindow._instance.RefreshCustomerItems();
         }
         catch (Exception ex)
         {
-            Console.WriteLine(ex.Message);
-            Console.WriteLine(ex.StackTrace);
-            Console.WriteLine("Error while reading settings. Generating new...");
+            Logger.Log($"Error while reading settings. Generating new... {ex.Message}", Logger.LogType.Warning);
+
             _instance = new Settings();
         }
     }
@@ -86,9 +83,13 @@ public class Global
 
     public string config_path { get; set; } = Path.Combine(
         Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-        "logofclient",
-        "config.json");
+        "logofclient");
 
+    public void SetConfigPath(string path)
+    {
+        if (!string.IsNullOrWhiteSpace(path))
+            config_path = PathUtilities.NormalizeFileSystemPath(path);
+    }
     public string wiki_storage_path { get; set; } = Path.Combine(
         Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
         "logofclient",
@@ -122,17 +123,23 @@ public class Global
             var contents = File.ReadAllText(Path.Combine(
                 Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
                 "global.config"));
-            _instance = JsonConvert.DeserializeObject<Global>(contents);
+            _instance = JsonConvert.DeserializeObject<Global>(contents) ?? new Global();
+            _instance.NormalizePaths();
         }
         catch (Exception ex)
         {
-            Console.WriteLine(ex.Message);
-            Console.WriteLine(ex.StackTrace);
-            Console.WriteLine("Error while reading global settings. Generating new...");
+            Logger.Log($"Error while reading global settings. Generating new... {ex.Message}", Logger.LogType.Warning);
             _instance = new Global();
             Save();
         }
     }
+
+    private void NormalizePaths()
+    {
+        config_path = PathUtilities.NormalizeFileSystemPath(config_path);
+        wiki_storage_path = PathUtilities.NormalizeFileSystemPath(wiki_storage_path);
+        font_path = PathUtilities.NormalizeFileSystemPath(font_path);
+    }
 }
 
 public class Customers

Logger.cs

@@ -0,0 +1,40 @@
+using System;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace Logof_Client;
+
+public static class Logger
+{
+    public static void Log(string text, LogType logType = LogType.Info)
+    {
+        try
+        {
+            string config_path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "logofclient");
+            if (!Directory.Exists(config_path))
+                Directory.CreateDirectory(config_path);
+
+            string log_path = Path.Combine(config_path, $"log-{DateTime.Now:dd-MM-yy}.log");
+            if(!File.Exists(log_path))
+                File.Create(log_path).Close();
+
+            string line = $"[{DateTime.Now:dd.MM.yyyy - hh:mm:ss}]: ({logType.ToString()}) {text}";
+            Console.WriteLine(line);
+            
+            File.AppendAllLines(log_path, [line]);
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex);
+        }
+        
+    }
+
+    public enum LogType
+    {
+        Error,
+        Warning,
+        Info
+    }
+}

Logof Client.csproj

@@ -9,25 +9,26 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Desktop" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.2"/>
+        <PackageReference Include="Avalonia" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.2" />
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Include="Avalonia.Diagnostics" Version="11.3.2">
             <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="ISO3166" Version="1.0.4"/>
-        <PackageReference Include="Lucide.Avalonia" Version="0.1.35"/>
-        <PackageReference Include="Newtonsoft.Json" Version="13.0.4"/>
-        <PackageReference Include="PdfSharp" Version="6.1.1"/>
+        <PackageReference Include="ISO3166" Version="1.0.4" />
+        <PackageReference Include="Lucide.Avalonia" Version="0.1.35" />
+        <PackageReference Include="Markdown.Avalonia" Version="11.0.3" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
+        <PackageReference Include="PdfSharp" Version="6.1.1" />
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Markdig" Version="0.30.3"/>
-        <PackageReference Include="AvaloniaEdit" Version="0.10.12"/>
+        <PackageReference Include="Markdig" Version="0.30.3" />
+        <PackageReference Include="AvaloniaEdit" Version="0.10.12" />
     </ItemGroup>
 
     <ItemGroup>
@@ -37,15 +38,15 @@
     </ItemGroup>
 
     <ItemGroup>
-        <None Remove="assets\icon.ico"/>
+        <None Remove="assets\icon.ico" />
         <AvaloniaResource Include="assets\icon.ico">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </AvaloniaResource>
-        <None Remove="assets\calc_man.png"/>
+        <None Remove="assets\calc_man.png" />
         <AvaloniaResource Include="assets\calc_man.png">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </AvaloniaResource>
-        <None Remove="assets\loading.mp4"/>
+        <None Remove="assets\loading.mp4" />
         <AvaloniaResource Include="assets\loading.mp4">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </AvaloniaResource>
@@ -56,6 +57,6 @@
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </Content>
 
-        <Folder Include="assets\fonts\"/>
+        <Folder Include="assets\fonts\" />
     </ItemGroup>
 </Project>

MainWindow.axaml

@@ -2,6 +2,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:md="https://github.com/whistyun/Markdown.Avalonia"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
         MinWidth="1000" MinHeight="600" IsVisible="False"
         x:Class="Logof_Client.MainWindow" WindowState="Maximized" Icon="assets/icon.ico"
@@ -78,7 +79,7 @@
                                                     </StackPanel>
                                                 </MenuItem.Header>
                                             </MenuItem>
-                                            <MenuItem x:Name="MnIAdSetDelete" Click="MnIAdSetRename_OnClick" IsEnabled="False">
+                                            <MenuItem x:Name="MnIAdSetDelete" Click="MnIAdSetDelete_OnClick" IsEnabled="True">
                                                 <MenuItem.Header>
                                                     <StackPanel Orientation="Horizontal">
                                                         <LucideIcon Kind="Trash" Width="12" Height="12" Size="12" />
@@ -103,52 +104,67 @@
                             <StackPanel Grid.Row="1"  Orientation="Horizontal" Spacing="10" HorizontalAlignment="Center"
                                         Margin="0,0,5,0">
                                 <Button  Width="250" HorizontalContentAlignment="Center"
-                                        Margin="0,0,0,10" IsEnabled="False"
+                                        Margin="0,0,0,10" IsEnabled="False" VerticalAlignment="Stretch"
                                         x:Name="BtnCheck" Click="BtnCheck_OnClick">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="SpellCheck" Width="36" Height="36" />
                                             <Label Content="Prüfen" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Prüft alle Adressen auf Fehler." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False"
                                         HorizontalContentAlignment="Center"
-                                        Click="BtnCombine_OnClick" x:Name="BtnCombine"
+                                        Click="BtnCombine_OnClick" x:Name="BtnCombine"  VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Combine" Width="36" Height="36" />
                                             <Label Content="Zusammenführen" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Führt mehrere Adress-Sets auf verschiedene Art und Weise zusammen." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False" Click="BtnShorten_OnClick"
-                                        HorizontalContentAlignment="Center" x:Name="BtnShorten"
+                                        HorizontalContentAlignment="Center" x:Name="BtnShorten" VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="ListX" Width="36" Height="36" />
                                             <Label Content="Kürzen" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Entfernt alle Fehlerhaften Adressen (ggf. bitte vorher Reparieren). Setzt Prüfung voraus." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False"
                                         Click="BtnGenerateLabels_OnClick"
-                                        HorizontalContentAlignment="Center" x:Name="BtnGenerateLabels"
+                                        HorizontalContentAlignment="Center" x:Name="BtnGenerateLabels" VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Tags" Width="36" Height="36" />
                                             <Label Content="Etiketten generieren" VerticalContentAlignment="Center"
                                                    FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Generiert Versandetiketten und Bundleitzettel" HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                                 <Button Width="250" IsEnabled="False"
-                                        HorizontalContentAlignment="Center" x:Name="BtnRepair"
+                                        HorizontalContentAlignment="Center" x:Name="BtnRepair" VerticalAlignment="Stretch"
                                         Margin="0,0,0,10">
+                                    <StackPanel Orientation="Vertical">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Hammer" Width="36" Height="36" />
                                             <Label Content="Reparieren" VerticalContentAlignment="Center" FontSize="15"
                                                    FontWeight="Bold" />
                                         </StackPanel>
+                                        <TextBlock TextWrapping="Wrap" FontSize="9" Text="Versucht, verschiedene Adressaspekte zu reparieren. Setzt Prüfung voraus." HorizontalAlignment="Stretch" TextAlignment="Left"></TextBlock>
+                                    </StackPanel>
                                 </Button>
                             </StackPanel>
                         <!-- </Grid> -->
@@ -343,17 +359,31 @@
                     </TabItem.Header>
                     <Grid ColumnDefinitions="300,*">
                         <Border Grid.Column="0" Background="#FFF" BorderBrush="#DDD" BorderThickness="0,0,1,0">
-                            <StackPanel>
+                            <Grid RowDefinitions="Auto,*">
                                 <StackPanel Spacing="10" Orientation="Horizontal" Margin="10">
-                                    <Button Content="+ Datei" x:Name="BtnWikiAddFile"
-                                            Click="BtnWikiAddFile_OnClick" />
-                                    <Button Content="+ Ordner" x:Name="BtnWikiAddFolder"
-                                            Click="BtnWikiAddFolder_OnClick" />
+                                    <Button x:Name="BtnWikiAddFile"
+                                            Click="BtnWikiAddFile_OnClick">
+                                        <StackPanel Orientation="Horizontal">
+                                            <LucideIcon Kind="Plus" Width="24" Height="24" />
+                                            <LucideIcon Kind="File" Width="24" Height="24" />
                                         </StackPanel>
-                                <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
-                                    <TreeView Name="NavTree" Margin="10" />
-                                </ScrollViewer>
+                                    </Button>
+                                    <Button x:Name="BtnWikiAddFolder"
+                                            Click="BtnWikiAddFolder_OnClick" >
+                                        <StackPanel Orientation="Horizontal">
+                                            <LucideIcon Kind="Plus" Width="24" Height="24" />
+                                            <LucideIcon Kind="Folder" Width="24" Height="24" />
                                         </StackPanel>
+                                    </Button>
+                                    <Button Click="BtnReloadWiki_OnClick" x:Name="BtnReloadWiki">
+                                        <LucideIcon Kind="RefreshCcw" Width="24" Height="24" />
+                                    </Button>
+                                </StackPanel>
+                                <TreeView Grid.Row="1" Name="NavTree"
+                                          Margin="10"
+                                          HorizontalAlignment="Stretch"
+                                          VerticalAlignment="Stretch" />
+                            </Grid>
                         </Border>
 
                         <Grid Grid.Column="1">
@@ -370,9 +400,7 @@
                             </StackPanel>
 
                             <Border Grid.Row="1" Margin="8" BorderBrush="#DDD" BorderThickness="1" CornerRadius="4">
-                                <ScrollViewer>
-                                    <StackPanel Name="PreviewPanel" Margin="8" />
-                                </ScrollViewer>
+                                <md:MarkdownScrollViewer x:Name="MsvWikiView"/>
                             </Border>
                         </Grid>
                     </Grid>
@@ -395,28 +423,25 @@
                             <StackPanel Orientation="Vertical" Spacing="10">
                                 <Grid ColumnDefinitions="400,*">
                                     <Label Grid.Column="0">config-Datei</Label>
-                                    <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
-                                        <StackPanel Orientation="Horizontal" Spacing="5">
-                                            <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch"
-                                                     Watermark="/home/username/.config/logofclient/config.json" />
-                                            <Button x:Name="BtnConfigPath" HorizontalAlignment="Right">
+                                    <Grid Grid.Column="1" ColumnDefinitions="*,150">
+                                            <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch" TextChanged="Tb_OnTextChanged"
+                                                     Watermark="/home/username/.config/logofclient/" />
+                                            <Button Grid.Column="1" Margin="5,0,0,0" x:Name="BtnConfigPath" HorizontalAlignment="Stretch">
                                                 <Button.Content>
                                                     <StackPanel Orientation="Horizontal">
-                                                        <LucideIcon Kind="File" Width="16" Height="16" Size="16" />
+                                                        <LucideIcon Kind="Folder" Width="16" Height="16" Size="16" />
                                                         <Label Content="Öffnen..." VerticalContentAlignment="Center" />
                                                     </StackPanel>
                                                 </Button.Content>
                                             </Button>
-                                        </StackPanel>
-                                    </StackPanel>
+                                    </Grid>
                                 </Grid>
                                 <Grid ColumnDefinitions="400,*">
                                     <Label Grid.Column="0">Wiki-Pfad</Label>
-                                    <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
-                                        <StackPanel Orientation="Horizontal" Spacing="5">
-                                            <TextBox x:Name="TbWikiPath" HorizontalAlignment="Stretch"
+                                    <Grid Grid.Column="1" ColumnDefinitions="*,150">
+                                        <TextBox  x:Name="TbWikiPath" HorizontalAlignment="Stretch" TextChanged="Tb_OnTextChanged"
                                                  Watermark="/home/username/.config/logofclient/wiki" />
-                                            <Button IsEnabled="True" x:Name="BtnWikiPath" HorizontalAlignment="Right">
+                                        <Button Grid.Column="1" Margin="5,0,0,0" IsEnabled="True" x:Name="BtnWikiPath" HorizontalAlignment="Stretch">
                                             <Button.Content>
                                                 <StackPanel Orientation="Horizontal">
                                                     <LucideIcon Kind="Folder" Width="16" Height="16" Size="16" />
@@ -424,26 +449,25 @@
                                                 </StackPanel>
                                             </Button.Content>
                                         </Button>
-                                        </StackPanel>
-                                    </StackPanel>
                                     </Grid>
-                                <Grid ColumnDefinitions="400,*">
-                                    <Label Grid.Column="0">Font-Pfad</Label>
-                                    <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
-                                        <StackPanel Orientation="Horizontal" Spacing="5">
-                                            <TextBox x:Name="TbFontPath" HorizontalAlignment="Stretch"
-                                                     Watermark="[App-Direcotry]/assets/fonts/" />
-                                            <Button IsEnabled="True" x:Name="BtnFontPath" HorizontalAlignment="Right">
-                                                <Button.Content>
-                                                    <StackPanel Orientation="Horizontal">
-                                                        <LucideIcon Kind="Folder" Width="16" Height="16" Size="16" />
-                                                        <Label Content="Öffnen..." VerticalContentAlignment="Center" />
-                                                    </StackPanel>
-                                                </Button.Content>
-                                            </Button>
-                                        </StackPanel>
-                                    </StackPanel>
                                 </Grid>
+                                <!-- <Grid ColumnDefinitions="400,*"> -->
+                                <!--     <Label Grid.Column="0">Font-Pfad</Label> -->
+                                <!--     <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5"> -->
+                                <!--         <StackPanel Orientation="Horizontal" Spacing="5"> -->
+                                <!--             <TextBox x:Name="TbFontPath" HorizontalAlignment="Stretch" TextChanged="Tb_OnTextChanged" -->
+                                <!--                      Watermark="[App-Direcotry]/assets/fonts/" /> -->
+                                <!--             <Button IsEnabled="True" x:Name="BtnFontPath" HorizontalAlignment="Right"> -->
+                                <!--                 <Button.Content> -->
+                                <!--                     <StackPanel Orientation="Horizontal"> -->
+                                <!--                         <LucideIcon Kind="Folder" Width="16" Height="16" Size="16" /> -->
+                                <!--                         <Label Content="Öffnen..." VerticalContentAlignment="Center" /> -->
+                                <!--                     </StackPanel> -->
+                                <!--                 </Button.Content> -->
+                                <!--             </Button> -->
+                                <!--         </StackPanel> -->
+                                <!--     </StackPanel> -->
+                                <!-- </Grid> -->
                             </StackPanel>
                         </TabItem>
                         <TabItem>
@@ -494,7 +518,7 @@
                                                  TextChanged="TbSettingsCustomerSenderAddress_OnTextChanged"
                                                  x:Name="TbSettingsCustomerSenderAddress" />
                                     </Grid>
-                                    <Grid ColumnDefinitions="150,*,Auto">
+                                    <Grid ColumnDefinitions="150,*,Auto" x:Name="GrdCSVDividerButtonsAndTb">
                                         <Label Content="CSV-Trennzeichen" />
                                         <TextBox Grid.Column="1" Watermark=","
                                                  HorizontalAlignment="Stretch" Margin="0,0,5,0"

MainWindow.axaml.cs

@@ -24,7 +24,11 @@ public partial class MainWindow : Window
 
     public MainWindow()
     {
+        Logger.Log("Welcome to logofclient");
+        Logger.Log($"Session on {DateTime.Now:G}");
+        Logger.Log("Initializing...");
         InitializeComponent();
+        SetSettingsCustomerEnabledState(false);
         //Hide();
         
         var s = new StartupWindow();
@@ -32,14 +36,21 @@ public partial class MainWindow : Window
 
         _instance = this;
         WindowState = WindowState.Maximized;
+        Logger.Log("Loading settings...");
         Global.Load();
         Settings.Load();
+        
+        
+        if (!string.IsNullOrWhiteSpace(Global._instance.config_path))
+            TbConfigPath.Text = PathUtilities.NormalizeFileSystemPath(Global._instance.config_path);
+        
         LoadPdfExportOptions();
         HookPdfExportOptionEvents();
 
         RefreshCountryView();
 
         // Initialize wiki integration
+        Logger.Log("Building wiki...");
         _wikiService = new WikiService();
         try
         {
@@ -52,24 +63,27 @@ public partial class MainWindow : Window
             try
             {
                 if (!string.IsNullOrWhiteSpace(Global._instance.wiki_storage_path))
-                    TbWikiPath.Text = Global._instance.wiki_storage_path;
+                    TbWikiPath.Text = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while setting paths: {ex.Message}", Logger.LogType.Error);
             }
 
             try
             {
                 BtnWikiPath.Click += BtnWikiPath_Click;
-                BtnFontPath.Click += BtnFontPath_Click;
+                //BtnFontPath.Click += BtnFontPath_Click;
                 BtnConfigPath.Click += BtnConfigPath_Click;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while adding click functions?: {ex.Message}", Logger.LogType.Error);
             }
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while doing wiki stuff: {ex.Message}", Logger.LogType.Error);
         }
 
         //Thread.Sleep(3000);
@@ -121,26 +135,11 @@ public partial class MainWindow : Window
         //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
     }
     
-    // private async void StartAddressRepair(Uri path)
-    // {
-    //     var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
-    //     var progressWindow = new ProgressWindow();
-    //
-    //     progressWindow.Show(_instance);
-    //
-    //     var processor = new AddressRepair(progressWindow);
-    //     //var result = await processor.Perform(addresses.Item2, errors);
-    //
-    //
-    //     progressWindow.Close();
-    //
-    //
-    //     //new ResultWindow(result, addresses.Item2).Show();
-    //     //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
-    // }
 
     private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
     {
+        Settings.Save();
+        Global.Save();
         Environment.Exit(0);
     }
 
@@ -156,7 +155,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -172,7 +171,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -188,7 +187,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -221,23 +220,29 @@ public partial class MainWindow : Window
     
 
     private async void NavTree_SelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        ReloadWikiItem();
+    }
+
+    private async void ReloadWikiItem()
     {
         if (NavTree.SelectedItem is TreeViewItem t && t.Tag is WikiItem item && !item.IsFolder)
         {
             _selectedWikiFilePath = item.Path;
             var text = await _wikiService.LoadFileContentAsync(item.Path);
-            try
-            {
-                PreviewPanel.Children.Clear();
-                var rendered = MarkdownRenderer.Render(text ?? string.Empty);
-                PreviewPanel.Children.Add(rendered);
-            }
-            catch
-            {
-                // fallback: plain text
-                PreviewPanel.Children.Clear();
-                PreviewPanel.Children.Add(new TextBlock { Text = text ?? string.Empty });
-            }
+            MsvWikiView.Markdown = text;
+            // try
+            // {
+            //     PreviewPanel.Children.Clear();
+            //     var rendered = MarkdownRenderer.Render(text ?? string.Empty);
+            //     PreviewPanel.Children.Add(rendered);
+            // }
+            // catch (Exception ex)
+            // {
+            //     Logger.Log($"Error while rendering markdown: {ex.Message}", Logger.LogType.Error);
+            //     PreviewPanel.Children.Clear();
+            //     PreviewPanel.Children.Add(new TextBlock { Text = text ?? string.Empty });
+            // }
             
             EditButton.IsEnabled = true;
         }
@@ -249,6 +254,8 @@ public partial class MainWindow : Window
     }
 
     public void PopulateNavTree(string? expandToPath = null, string? selectPath = null)
+    {
+        try
         {
             var roots = _wikiService.GetRootItems();
             var nodes = new List<TreeViewItem>();
@@ -262,6 +269,12 @@ public partial class MainWindow : Window
                 ExpandAndFindNode(nodes, selectPath, out var selectedNode) &&
                 selectedNode != null)
                 NavTree.SelectedItem = selectedNode;
+            
+            ReloadWikiItem();
+        }catch (Exception ex)
+        {
+            Logger.Log($"Error while populating nav tree: {ex.Message}", Logger.LogType.Error);
+        }
     }
 
     private TreeViewItem BuildNode(WikiItem item)
@@ -276,7 +289,9 @@ public partial class MainWindow : Window
 
     private string GetSelectedWikiTargetDirectory()
     {
-        var wikiRoot = Global._instance.wiki_storage_path;
+        try
+        {
+            var wikiRoot = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
             if (NavTree.SelectedItem is TreeViewItem treeItem && treeItem.Tag is WikiItem selectedItem)
             {
                 if (selectedItem.IsFolder) return selectedItem.Path;
@@ -284,12 +299,20 @@ public partial class MainWindow : Window
                 var parentDir = Path.GetDirectoryName(selectedItem.Path);
                 if (!string.IsNullOrWhiteSpace(parentDir)) return parentDir;
             } 
-
             return wikiRoot;
+        }catch (Exception ex)
+        {
+            Logger.Log($"Error while getting selected wiki target directory: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
     }
 
     private static bool PathsEqual(string left, string right)
     {
+        left = PathUtilities.NormalizeFileSystemPath(left);
+        right = PathUtilities.NormalizeFileSystemPath(right);
+
         var normalizedLeft = Path.GetFullPath(left)
             .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
         var normalizedRight = Path.GetFullPath(right)
@@ -333,7 +356,7 @@ public partial class MainWindow : Window
 
     private void OpenFolderButton_Click(object? sender, RoutedEventArgs e)
     {
-        var path = Global._instance.wiki_storage_path;
+        var path = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
         if (!Directory.Exists(path)) return;
 
         try
@@ -344,8 +367,9 @@ public partial class MainWindow : Window
                 UseShellExecute = true
             });
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -359,9 +383,9 @@ public partial class MainWindow : Window
         });
 
         if (folder == null || folder.Count == 0) return;
-        var chosen = folder[0].Path;
-        TbWikiPath.Text = chosen.ToString();
-        Global._instance.wiki_storage_path = chosen.ToString();
+        var chosen = PathUtilities.NormalizeFileSystemPath(folder[0].Path);
+        TbWikiPath.Text = chosen;
+        Global._instance.wiki_storage_path = chosen;
         Global.Save();
 
         // reinit wiki service and reload tree
@@ -379,9 +403,9 @@ public partial class MainWindow : Window
         });
 
         if (folder == null || folder.Count == 0) return;
-        var chosen = folder[0].Path;
-        TbFontPath.Text = chosen.ToString();
-        Global._instance.font_path = chosen.ToString();
+        var chosen = PathUtilities.NormalizeFileSystemPath(folder[0].Path);
+        //TbFontPath.Text = chosen;
+        Global._instance.font_path = chosen;
         Global.Save();
     }
 
@@ -395,9 +419,9 @@ public partial class MainWindow : Window
         });
 
         if (folder == null || folder.Count == 0) return;
-        var chosen = folder[0].Path;
-        TbConfigPath.Text = chosen.ToString();
-        Global._instance.config_path = chosen.ToString();
+        var chosen = PathUtilities.NormalizeFileSystemPath(folder[0].Path);
+        Global._instance.SetConfigPath(chosen);
+        TbConfigPath.Text = Global._instance.config_path;
         Global.Save();
 
         MessageBox.Show(this, "Bitte starten Sie das Programm neu, um die Änderungen wirksam zu machen.", "Achtung");
@@ -436,6 +460,7 @@ public partial class MainWindow : Window
         TbSettingsCustomerDescription.Text = "";
         TbSettingsCustomerName.Text = "";
         TbSettingsCustomerPatchInfo.Text = "";
+        TbSettingsCustomerName.Focus();
 
         Settings.Save();
         RefreshCustomerItems();
@@ -443,8 +468,9 @@ public partial class MainWindow : Window
         {
             LstSettingsCustomers.SelectedIndex = LstSettingsCustomers.Items.Count - 1;
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while setting selected item: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -460,6 +486,7 @@ public partial class MainWindow : Window
 
     private void LstSettingsCustomers_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
     {
+        SetSettingsCustomerEnabledState(false);
         if (LstSettingsCustomers.SelectedIndex < 0) return;
         Settings._instance.customers.current =
             ((Customer)LstSettingsCustomers.SelectedItems[0]);
@@ -474,9 +501,19 @@ public partial class MainWindow : Window
                     TbSettingsCustomerPatchInfo.Text = Settings._instance.customers.current.patch.ToString();
                 else
                     TbSettingsCustomerPatchInfo.Text = "";
+        SetSettingsCustomerEnabledState();
             //}
     }
 
+    private void SetSettingsCustomerEnabledState(bool enable = true)
+    {
+        List<Object> nboom = new() { BtnSettingsImportCustomerAddressPatch, GrdCSVDividerButtonsAndTb, TbSettingsCustomerDescription, TbSettingsCustomerName, BtnDeleteCustomer, TbSettingsCustomerSenderAddress};
+        foreach (var obj in nboom)
+        {
+            (obj as Control).IsEnabled = enable;
+        }
+    }
+
     private async void EditButton_Click(object? sender, RoutedEventArgs e)
     {
         if (string.IsNullOrWhiteSpace(_selectedWikiFilePath))
@@ -485,7 +522,13 @@ public partial class MainWindow : Window
             return;
         }
 
+        var editedWikiFilePath = _selectedWikiFilePath;
         EditorWindow ew = new(_selectedWikiFilePath);
+        ew.Closed += (_, _) =>
+        {
+            if (!string.IsNullOrWhiteSpace(editedWikiFilePath) && File.Exists(editedWikiFilePath))
+                PopulateNavTree(editedWikiFilePath, editedWikiFilePath);
+        };
         ew.Show();
 
         //await MessageBox.Show(this, "Edit feature is currently disabled.", "Edit Disabled");
@@ -515,17 +558,25 @@ public partial class MainWindow : Window
         {
             LstSettingsCustomers.SelectedIndex = index;
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while setting selected index: {ex.Message}", Logger.LogType.Error);
         }
     }
 
     private void TbSettingsCustomerDescription_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        try
         {
             if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
                     foreach (var customer in Settings._instance.customers.customers)
                         if (customer.ID == Settings._instance.customers.current.ID)
                             customer.description = TbSettingsCustomerDescription.Text;
+        } catch (Exception ex)
+        {
+            Logger.Log($"Error while changing customer description: {ex.Message}", Logger.LogType.Error);
+        }
+        
         //Settings.Save();
     }
 
@@ -544,6 +595,8 @@ public partial class MainWindow : Window
     }
 
     private async void BtnCustomerAddressSetImport_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
         {
             MakeCalcManVisible();
              var opts = new FilePickerOpenOptions();
@@ -602,6 +655,13 @@ public partial class MainWindow : Window
      
      
              Settings.Save();
+            
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing: {ex.Message}", Logger.LogType.Error);
+        }
+        
     }
 
     public void RefreshAddressSetListItems(int customer_id)
@@ -638,14 +698,29 @@ public partial class MainWindow : Window
             BtnCheck.IsEnabled = true;
             BtnCombine.IsEnabled = true;
             BtnGenerateLabels.IsEnabled = true;
-            BtnShorten.IsEnabled = true;
             
+            // check for existing errors, otherwise disable the features
+            foreach(KasPerson pers in (LstCustomerAdressSets.SelectedItem as KasAddressList).KasPersons)
+                if (pers.PersonError != null)
+                {
+                    BtnShorten.IsEnabled = true;
                     // BtnRepair.IsEnabled = true;
-            // BtnShorten.IsEnabled = true;
+                    break;
+                }
+                else
+                {
+                    BtnShorten.IsEnabled = false;
+                    BtnRepair.IsEnabled = false;
+                }
+
+            
+            
         }
     }
 
     private async void BtnSettingsImportCustomerAddressPatch_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
         {
             if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
             
@@ -672,6 +747,11 @@ public partial class MainWindow : Window
     
     
             Settings.Save();
+        } catch (Exception ex)
+        {
+            Logger.Log($"Error while importing customer address patch: {ex.Message}", Logger.LogType.Error);
+        }
+        
     }
 
     private void TbSettingsCustomerCsvSeparator_OnTextChanged(object? sender, TextChangedEventArgs e)
@@ -689,11 +769,14 @@ public partial class MainWindow : Window
                 catch (FormatException ex)
                 {
                     MessageBox.Show(this, "Error while converting: " + ex.Message, "Could not parse");
+                    Logger.Log($"Error while converting: {ex.Message}", Logger.LogType.Error);
                 }
                 catch (Exception ex)
                 {
                     MessageBox.Show(this, "Unknown Error: " + ex.Message, "Error");
+                    Logger.Log($"Error while converting: {ex.Message}", Logger.LogType.Error);
                 }
+
     }
 
     private void BtnCombineDifference_OnClick(object? sender, RoutedEventArgs e)
@@ -705,9 +788,9 @@ public partial class MainWindow : Window
         {
             StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "difference", GetCombiningTyp());
         }
-        catch
+        catch (Exception ex)
         {
-            
+            Logger.Log($"Error while combining (difference): {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -720,9 +803,9 @@ public partial class MainWindow : Window
         {
             StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "union", GetCombiningTyp());
         }
-        catch
+        catch (Exception ex)
         {
-            
+            Logger.Log($"Error while combining (union): {ex.Message}", Logger.LogType.Error);
         }
         
     }
@@ -738,7 +821,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine("Error while trying to start intersection: " + ex.Message);
+            Logger.Log($"Error while combining (intersection): {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -773,36 +856,69 @@ public partial class MainWindow : Window
     }
 
     private async void BtnStartGenerateLabels_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
         {
             SavePdfExportOptions();
 
             var saveDialog = new SaveFileDialog
             {
                 DefaultExtension = "pdf",
-            Filters = { new FileDialogFilter { Name = "PDF-Dateien", Extensions = { "pdf" } } }
+                Filters =
+                {
+                    new FileDialogFilter
+                    {
+                        Name = "PDF-Dateien",
+                        Extensions = { "pdf" }
+                    }
+                }
             };
+
             var filePath = await saveDialog.ShowAsync(this);
 
-        if (!string.IsNullOrEmpty(filePath))
+            Logger.Log($"RAW: {filePath}");
+
+            if (!string.IsNullOrWhiteSpace(filePath))
             {
+                filePath = PathUtilities.NormalizeFileSystemPath(filePath);
+
+                Logger.Log($"PATH: {filePath}");
+
                 var builder = new PdfBuilder(Settings._instance.pdfExport);
 
-            builder.CreateAddressLabelPdfFromAddressSetWithPlaceholder((
-                    (KasAddressList)LstCustomerAdressSets.SelectedItem).ID,
+                builder.CreateAddressLabelPdfFromAddressSetWithPlaceholder(
+                    ((KasAddressList)LstCustomerAdressSets.SelectedItem).ID,
                     "Company Logo/Info",
                     filePath
                 );
-            //return true;
+
+                Logger.Log("PDF OK");
+            }
+        }
+
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while generating labels: {ex.Message}", Logger.LogType.Error);
         }
     }
 
     private void HookPdfExportOptionEvents()
+    {
+        try
         {
             var controls = GetPdfExportControls();
             foreach (var control in controls) control.ValueChanged += PdfExportOption_OnValueChanged;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while hooking pdf export margins: {ex.Message}", Logger.LogType.Error);
+        }
+
+    }
 
     private void LoadPdfExportOptions()
+    {
+        try
         {
             var options = Settings._instance.pdfExport ?? new PdfExportSettings();
 
@@ -821,6 +937,12 @@ public partial class MainWindow : Window
             NudExpMargFontSize.Value = (decimal)options.fontSize;
             NudExpMargSmallFontSize.Value = (decimal)options.smallFontSize;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while loading PDF Export Options: {ex.Message}", Logger.LogType.Error);
+        }
+        
+    }
 
     private void SavePdfExportOptions()
     {
@@ -900,6 +1022,7 @@ public partial class MainWindow : Window
 
     public void RefreshCountryView()
     {
+        
         if (_suppressCountryRefresh) return;
         try
         {
@@ -914,8 +1037,9 @@ public partial class MainWindow : Window
             {
                 CountryList.Items.Clear();
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while clearing country list: {ex.Message}", Logger.LogType.Error);
             }
 
             foreach (var c in Global._instance.countries) CountryList.Items.Add(c.name);
@@ -923,17 +1047,19 @@ public partial class MainWindow : Window
             {
                 CountryList.SelectedIndex = country_index;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while setting selected item: {ex.Message}", Logger.LogType.Error);
             }
 
             try
             {
                 _selectedCountry = Country.GetByName(CountryList.SelectedItems[0].ToString());
             }
-            catch
+            catch (Exception ex)
             {
                 _selectedCountry = null;
+                Logger.Log($"Error while getting country: {ex.Message}", Logger.LogType.Error);
             }
 
             if (_selectedCountry == null) return;
@@ -947,8 +1073,9 @@ public partial class MainWindow : Window
             {
                 LbSettingsAlternatives.SelectedIndex = alt_index;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while setting selected item: {ex.Message}", Logger.LogType.Error);
             }
         }
         finally
@@ -964,9 +1091,9 @@ public partial class MainWindow : Window
             {
                 _selectedCountry.alternatives.Remove(selected.ToString());
             }
-            catch
+            catch (Exception ex)
             {
-                Console.WriteLine("Error while removing country alternative");
+                Logger.Log($"Error while removing alternatives: {ex.Message}", Logger.LogType.Error);
             }
 
         RefreshCountryView();
@@ -1027,11 +1154,18 @@ public partial class MainWindow : Window
         result = result.Trim();
         if (!result.EndsWith(".md", StringComparison.OrdinalIgnoreCase)) result += ".md";
 
-        if (!Directory.Exists(Global._instance.wiki_storage_path))
-            Directory.CreateDirectory(Global._instance.wiki_storage_path);
+        var wikiRoot = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
+        if (!Directory.Exists(wikiRoot))
+            Directory.CreateDirectory(wikiRoot);
 
         try
         {
+            if (PathUtilities.HasInvalidFileNameChars(result))
+            {
+                MessageBox.Show(this, "Der Dateiname enthält ungültige Zeichen.", "Fehler");
+                return;
+            }
+
             var targetDirectory = GetSelectedWikiTargetDirectory();
             Directory.CreateDirectory(targetDirectory);
             var newFilePath = Path.Combine(targetDirectory, result);
@@ -1041,6 +1175,7 @@ public partial class MainWindow : Window
         catch (Exception ex)
         {
             MessageBox.Show(this, ex.StackTrace, "Fehler");
+            Logger.Log($"Error while adding wiki file: {ex.Message}", Logger.LogType.Error);
         }
     }
     
@@ -1051,11 +1186,18 @@ public partial class MainWindow : Window
 
         result = result.Trim();
         
-        if (!Directory.Exists(Global._instance.wiki_storage_path))
-            Directory.CreateDirectory(Global._instance.wiki_storage_path);
+        var wikiRoot = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
+        if (!Directory.Exists(wikiRoot))
+            Directory.CreateDirectory(wikiRoot);
 
         try
         {
+            if (PathUtilities.HasInvalidFileNameChars(result))
+            {
+                MessageBox.Show(this, "Der Ordnername enthält ungültige Zeichen.", "Fehler");
+                return;
+            }
+
             var targetDirectory = GetSelectedWikiTargetDirectory();
             var newFolderPath = Path.Combine(targetDirectory, result);
             Directory.CreateDirectory(newFolderPath);
@@ -1064,34 +1206,39 @@ public partial class MainWindow : Window
         catch (Exception ex)
         {
             MessageBox.Show(this, ex.StackTrace, "Fehler");
+            Logger.Log($"Error while adding wiki folder: {ex.Message}", Logger.LogType.Error);
         }
     }
 
 
     private async void MnIAdSetRename_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (LstCustomerAdressSets.SelectedItems.Count > 0)
-            try
-            {
-                var result = await NamingWindow.Show(this);
-                if (result != null)
-                {
-                    var id = KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItems[0]
-                        .ToString());
+        var id = (LstCustomerAdressSets.SelectedItems[0] as KasAddressList).ID;
         var cus_id = ((Customer)LstCustomers.SelectedItems[0]).ID;
+        var curr_set = new KasAddressList("");
         foreach (var set in Settings._instance.addressSets.addresses)
             if (set.ID == id)
             {
-                            set.Name = result;
+                curr_set = set;
+
+            }
+        
+        
+        if (LstCustomerAdressSets.SelectedItems.Count > 0)
+            try
+            {
+                var result = await NamingWindow.Show(this, curr_set.Name);
+                if (result != null)
+                {
+                    curr_set.Name = result;
                     Settings.Save();
                     RefreshAddressSetListItems(cus_id);
-                            break;
-                        }
                 }
             }
             catch (Exception ex)
             {
                 MessageBox.Show(this, ex.StackTrace, "Fehler");
+                Logger.Log($"Error while renaming address set: {ex.Message}", Logger.LogType.Error);
             }
     }
 
@@ -1105,6 +1252,7 @@ public partial class MainWindow : Window
         catch (Exception ex)
         {
             MessageBox.Show(this, "Unknown Error: " + ex.Message, "Error");
+            Logger.Log($"Error while deleting customer: {ex.Message}", Logger.LogType.Error);
         }
         RefreshCustomerItems();
     }
@@ -1131,10 +1279,45 @@ public partial class MainWindow : Window
             TbSettingsCustomerCsvSeparator.Text = div;
             Settings.Save();
         }
-        catch
+        catch (Exception ex)
         {
-            Console.WriteLine("Error while parsing");
+            Logger.Log($"Error while changing CSV divider: {ex.Message}", Logger.LogType.Error);
         }
          
     }
+
+    private async void MnIAdSetDelete_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if(await MessageBox.Show(this,"Wirklich löschen?","",MessageBoxButton.YesNo) == MessageBoxResult.Yes)
+        {
+            var cus_id = ((Customer)LstCustomers.SelectedItems[0]).ID;
+            var id = (LstCustomerAdressSets.SelectedItems[0] as KasAddressList).ID;
+            try
+            {
+                foreach (var set in Settings._instance.addressSets.addresses)
+                    if (set.ID == id)
+                    {
+                        Settings._instance.addressSets.addresses.Remove(set);
+                        Settings.Save();
+                        RefreshAddressSetListItems(cus_id);
+                        break;
+
+                    }    
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, ex.StackTrace, "Fehler");
+                Logger.Log($"Error while deleting address set: {ex.Message}", Logger.LogType.Error);
+            }}
+    }
+
+    private void Tb_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        Global.Save();
+    }
+
+    private void BtnReloadWiki_OnClick(object? sender, RoutedEventArgs e)
+    {
+        PopulateNavTree();
+    }
 }

MessageBox.axaml

@@ -2,7 +2,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" SizeToContent="WidthAndHeight"
+        mc:Ignorable="d" SizeToContent="WidthAndHeight" WindowStartupLocation="CenterScreen"
         x:Class="Logof_Client.MessageBox" Icon="assets/icon.ico"
         Title="MessageBox">
     <StackPanel>

NamingWindow.axaml.cs

@@ -52,7 +52,7 @@ public partial class NamingWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine("Error while showing naming window: " + ex.Message);
+            Logger.Log("Error while showing naming window: " + ex.Message, Logger.LogType.Warning);
             return Task.FromResult<string>(null!);
         }
     }

PathUtilities.cs

@@ -0,0 +1,57 @@
+using System;
+using System.IO;
+
+namespace Logof_Client;
+
+public static class PathUtilities
+{
+    private static readonly char[] WindowsInvalidFileNameChars =
+    {
+        '<', '>', ':', '"', '/', '\\', '|', '?', '*'
+    };
+
+    private static readonly string[] WindowsReservedFileNames =
+    {
+        "CON", "PRN", "AUX", "NUL",
+        "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
+        "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"
+    };
+
+    public static string NormalizeFileSystemPath(string path)
+    {
+        if (string.IsNullOrWhiteSpace(path)) return path;
+
+        if (Uri.TryCreate(path, UriKind.Absolute, out var uri) && uri.IsFile)
+            return uri.LocalPath;
+
+        return path;
+    }
+
+    public static string NormalizeFileSystemPath(Uri path)
+    {
+        return path.IsFile ? path.LocalPath : path.ToString();
+    }
+
+    public static bool HasInvalidFileNameChars(string fileName)
+    {
+        if (string.IsNullOrWhiteSpace(fileName)) return true;
+        if (fileName.EndsWith(' ') || fileName.EndsWith('.')) return true;
+        if (fileName.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0) return true;
+        if (fileName.IndexOfAny(WindowsInvalidFileNameChars) >= 0) return true;
+
+        var nameWithoutExtension = Path.GetFileNameWithoutExtension(fileName);
+        foreach (var reservedName in WindowsReservedFileNames)
+        {
+            if (string.Equals(fileName, reservedName, StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(nameWithoutExtension, reservedName, StringComparison.OrdinalIgnoreCase))
+                return true;
+        }
+
+        foreach (var c in fileName)
+        {
+            if (char.IsControl(c)) return true;
+        }
+
+        return false;
+    }
+}

ResultWindow.axaml.cs

@@ -28,6 +28,10 @@ public partial class ResultWindow : Window
 
     private void GenerateView(List<KasPerson> result)
     {
+        try
+        {
+
+
             // Filter to only show persons with errors
             var result_with_errors = result.Where(p => p.PersonError != null).ToList();
             LblResultCount.Content = $"{result_with_errors.Count}/{ur_result.Count} Ergebnisse";
@@ -39,6 +43,11 @@ public partial class ResultWindow : Window
             // StkResults.Children.Clear();
             // foreach (var person in result_with_errors) StkResults.Children.Add(CreatePersonGrid(person));
         }
+        catch (Exception ex)
+        {
+            Logger.Log("Error while generating result view: " + ex.Message, Logger.LogType.Warning);
+        }
+    }
 
     private Grid CreatePersonGrid(KasPerson person)
     {
@@ -105,6 +114,8 @@ public partial class ResultWindow : Window
     }
 
     private void Load(List<KasPerson> result)
+    {
+        try
         {
             var knownErrors = new List<AddressCheck.ErrorTypes>();
             var knownWarnings = new List<AddressCheck.WarningTypes>();
@@ -145,12 +156,20 @@ public partial class ResultWindow : Window
 
             GenerateView(result);
         }
+        catch (Exception ex)
+        {
+            Logger.Log("Error while showing naming window: " + ex.Message, Logger.LogType.Warning);
+        }
+        
+    }
 
     private void BtnUpdateFilter_OnClick(object? sender, RoutedEventArgs e)
     {
     }
 
     private void UpdateFilter()
+    {
+        try
         {
             var temp_result = new List<KasPerson>();
 
@@ -211,6 +230,11 @@ public partial class ResultWindow : Window
         // foreach (var person in temp_result) TbResults.Text += person.PersonError.GetString() +"\n";
         // StkResults.Children.Clear();
         // foreach (var person in temp_result) StkResults.Children.Add(CreatePersonGrid(person));
+        } catch (Exception ex)
+        {
+            Logger.Log("Error while updating filter: " + ex.Message, Logger.LogType.Warning);
+        }
+        
     }
 
 

Tasks/AddressCheck.cs

@@ -38,6 +38,8 @@ public class AddressCheck
     }
 
     public async Task<List<KasPerson>> Perform(int id)
+    {
+        try
         {
             // Find the index of the address set with the given id
             var adset_index = -1;
@@ -238,7 +240,8 @@ public class AddressCheck
                             // Directly set PersonError in the address set
                             var person_index = adset.KasPersons.IndexOf(person);
                             if (person_index >= 0)
-                            Settings._instance.addressSets.addresses[adset_index].KasPersons[person_index].PersonError =
+                                Settings._instance.addressSets.addresses[adset_index].KasPersons[person_index]
+                                        .PersonError =
                                     new KasPersonError((errors, warnings));
                         }
 
@@ -248,7 +251,8 @@ public class AddressCheck
                     await Dispatcher.UIThread.InvokeAsync(() =>
                     {
                         if (hasFaults)
-                        _progress.AddToLog($"Person mit id {person.id} ist fehlerhaft", Convert.ToInt32(percent).ToString());
+                            _progress.AddToLog($"Person mit id {person.id} ist fehlerhaft",
+                                Convert.ToInt32(percent).ToString());
 
                         _progress.ChangePercentage(percent);
                     });
@@ -261,5 +265,14 @@ public class AddressCheck
             return Settings._instance.addressSets.addresses[adset_index].KasPersons
                 .Where(p => p.PersonError != null)
                 .ToList();
+
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address check: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+    }
+
 }

Tasks/AddressCreation.cs

@@ -64,12 +64,8 @@ public static class AddressCreator
         // let's get started: we start from the bottom
         // if the country is not Germany, set it; try to map via Global countries alternatives -> translation
         var trimmedLand = (address.land ?? "").Trim();
-        var trimmedLowerLand = trimmedLand.ToLower();
-        var isGermany = trimmedLowerLand == "germany" || trimmedLowerLand == "ger" ||
-                        trimmedLowerLand == "" || trimmedLowerLand == "de" ||
-                        trimmedLowerLand == "deutschland";
 
-        if (!isGermany)
+        if (!address.IsGermany())
         {
             var countryToShow = trimmedLand; // default: use raw land value
 
@@ -104,7 +100,9 @@ public static class AddressCreator
         // Alternative A: pplz valid and city existing
         if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.pplz, address.land))
         {
-            string pplz = NormalizeGermanPLZ(address.pplz);
+            string pplz = address.pplz;
+            if (address.IsGermany()) pplz = NormalizeGermanPLZ(address.pplz);
+            
             KasPerson.SetUsedPLZ(id, pplz);
             string_address = pplz + " " + address.ort + "\n" + string_address;
             address_line_count++;
@@ -152,7 +150,10 @@ public static class AddressCreator
         } // Alternative B: plz valid and city existing 
         else if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.plz, address.land))
         {
-            string plz = NormalizeGermanPLZ(address.plz);
+            string plz = address.plz;
+            if (address.IsGermany()) plz = NormalizeGermanPLZ(address.plz);
+
+            
             KasPerson.SetUsedPLZ(id, plz);
             string_address = plz + " " + address.ort + "\n" + string_address;
             address_line_count++;
@@ -204,6 +205,8 @@ public static class AddressCreator
 
     public static string CreateNameLine(string anredezus, string anrede, string titel, string vorname, string adel,
         string name, string namezus)
+    {
+        try
         {
             if (!string.IsNullOrWhiteSpace(anredezus))
                 return string.Join(" ",
@@ -219,6 +222,13 @@ public static class AddressCreator
                    )
                    + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})");
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address name line creation: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     /// <summary>
     ///     Returns true if a plz (or pplz) is valid
@@ -227,6 +237,8 @@ public static class AddressCreator
     /// <param name="land">country, to check the plz</param>
     /// <returns>true or faslse, depending on result :+1:</returns>
     public static bool CheckPLZ(string plz, string land)
+    {
+        try
         {
             if (string.IsNullOrWhiteSpace(plz)) return false;
             
@@ -253,6 +265,14 @@ public static class AddressCreator
             // For non-German countries, accept any non-empty postal code
             return true;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address plz check: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return false;
+        
+    }
     
     public static string NormalizeGermanPLZ(string plz)
     {

Tasks/AddressPatch.cs

@@ -3,6 +3,7 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+using Logof_Client;
 
 public class AddressPatch
 {
@@ -57,6 +58,8 @@ public class AddressPatch
     public bool has_funktionad { get; set; }
 
     public static AddressPatch Import(Uri filename)
+    {
+        try
         {
             var patch = new AddressPatch();
             
@@ -92,9 +95,20 @@ public class AddressPatch
             
                     return patch;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing address patch: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+
+
+    }
 
 
     public override string ToString()
+    {
+        try
         {
             var properties = GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
                     var stringProps = properties.Where(p => p.PropertyType == typeof(string) && p.Name.EndsWith("_is"));
@@ -115,4 +129,12 @@ public class AddressPatch
             
                     return lines.ToString().TrimEnd();
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while parsing: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return "Error while parsing";
+        
+    }
 }

Tasks/AddressRepair.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 
 namespace Logof_Client;
@@ -9,15 +10,16 @@ public class AddressRepair(ProgressWindow progressWindow)
     public KasAddressList Perform(KasAddressList all_addresses,
         List<(int, List<AddressCheck.ErrorTypes>)> failed_addresses)
     {
-        // foreach (var k in all_addresses.KasPersons)
-        // foreach (var p in failed_addresses)
-        // {
-        //     if (k.refsid != p.Item1) continue;
-        //
-        //     if (p.Item1.Contains(AddressCheck.WarningTypes.DoubledRefsid))
-        //     {
-        //     }
-        // }
+        try
+        {
+            
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address repair: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
 
         return null;
     }

Tasks/AddressShortener.cs

@@ -12,7 +12,8 @@ public class AddressShortener(ProgressWindow progressWindow)
 
     public async Task Perform(KasAddressList list)
     {
-        // find doubled addresses by refsid
+        try
+        {
             List<int> doubled_ids = new List<int>();
                     for (int i = 0; i < list.KasPersons.Count; i++)
                     {
@@ -73,7 +74,11 @@ public class AddressShortener(ProgressWindow progressWindow)
                         // does this remove both of the doubled addresses?
                         list.KasPersons.Remove(list.KasPersons.Find(x => x.id == id));
                     }
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address shortener: {ex.Message}", Logger.LogType.Error);
+        }
         
-        //return null;
     }
 }

Tasks/CombineAddresses.cs

@@ -25,6 +25,8 @@ public class CombineAddresses
 
     public async Task<(KasAddressList, KasAddressList)> Perform(List<KasAddressList> address_lists, string type, CombineType comb_type,
         bool? exportUnused, bool? deleteOld)
+    {
+        try
         {
             var result = await Execute(address_lists,type,comb_type,exportUnused);
             
@@ -37,11 +39,21 @@ public class CombineAddresses
                     }
             
                     return result;
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
 
     }
 
     private async Task<(KasAddressList, KasAddressList)> Execute(List<KasAddressList> address_lists, string type, CombineType comb_type,
         bool? exportUnused)
+    {
+        try
         {
             if (type == "difference") return await Difference(address_lists, comb_type, exportUnused);
             if (type == "union") return await Union(address_lists, comb_type, exportUnused);
@@ -49,6 +61,14 @@ public class CombineAddresses
             if (type == "symdiff") return await SymmetricDifference(address_lists, comb_type, exportUnused);
             return (null, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while executing address combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     /// <summary>
@@ -60,6 +80,7 @@ public class CombineAddresses
     /// <returns></returns>
     public bool CompareAddresses(KasPerson first, KasPerson second, CombineType comb_type)
     {
+        
         // A refsid of 0 means "missing", so it must not collapse unrelated entries.
         if(comb_type == CombineType.refsid)
             if (first.refsid != 0 && second.refsid != 0 && first.refsid == second.refsid) return true;
@@ -95,6 +116,8 @@ public class CombineAddresses
     public async Task<(KasAddressList, KasAddressList)> Difference(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused,
         Progress? progress = null)
+    {
+        try
         {
             if (address_lists == null || address_lists.Count == 0)
                 return (new KasAddressList(await KasAddressList.GenerateName("difference")), null);
@@ -133,10 +156,20 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing difference-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     public async Task<(KasAddressList, KasAddressList)> Union(List<KasAddressList> address_lists, CombineType comb_type, bool? return_unused,
         Progress progress = null)
+    {
+        try
         {
             var result = new KasAddressList(await KasAddressList.GenerateName("union"));
             var second_result = new KasAddressList("none");
@@ -172,6 +205,14 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing union-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     public async Task<KasAddressList> MoveDuplicatesToNew()
@@ -181,6 +222,8 @@ public class CombineAddresses
 
     public async Task<(KasAddressList, KasAddressList)> Intersection(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused, Progress progress = null)
+    {
+        try
         {
             var result = new KasAddressList(await KasAddressList.GenerateName("intersection"));
             var second_result = new KasAddressList("none");
@@ -225,10 +268,20 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing intersection-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     public async Task<(KasAddressList, KasAddressList)> SymmetricDifference(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused, Progress progress = null)
+    {
+        try
         {
             var result = new KasAddressList(await KasAddressList.GenerateName("symmetric_difference"));
             var second_result = new KasAddressList("none");
@@ -284,6 +337,14 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing symdiff-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
     
 }
 

Tasks/CsvBuilder.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -64,6 +65,8 @@ public class CsvBuilder
     }
 
     private string EscapeCsvField(string? value)
+    {
+        try
         {
             var field = value ?? string.Empty;
             var mustQuote = field.Contains(Separator) || field.Contains('"') || field.Contains('\r') || field.Contains('\n');
@@ -72,4 +75,12 @@ public class CsvBuilder
 
             return "\"" + field.Replace("\"", "\"\"") + "\"";
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while escapting csv field: {ex.Message}",Logger.LogType.Warning);
+        }
+
+        return "";
+
+    }
 }

Tasks/DataImport.cs

@@ -19,6 +19,8 @@ public class DataImport
     }
 
     private static async Task<(bool, KasAddressList)> ImportKasAddressListWithoutPatch(Uri pathToCsv, char separator)
+    {
+        try
         {
             if (!File.Exists(pathToCsv.LocalPath))
             {
@@ -83,7 +85,7 @@ public class DataImport
                 }
                 catch (Exception ex)
                 {
-                Console.WriteLine($"Error while parsing line: {line} - {ex.Message}");
+                    Logger.Log($"Error while creating new kas person (import): {ex.Message}",Logger.LogType.Error);
                     Console.WriteLine(ex.StackTrace);
                     return (false, null);
                 }
@@ -91,9 +93,18 @@ public class DataImport
 
             return (true, imported);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing kas address list without patch: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return (false, null);
+    }
 
     private static async Task<(bool, KasAddressList)> ImportKasAddressListWithPatch(Uri pathToCsv, AddressPatch patch,
         char separator)
+    {
+        try
         {
             if (!File.Exists(pathToCsv.LocalPath))
             {
@@ -217,13 +228,19 @@ public class DataImport
                 }
                 catch (Exception ex)
                 {
-                Console.WriteLine($"Error while parsing line: {line} - {ex.Message}");
+                    Logger.Log($"Error while creating kas person (import, patch): {ex.Message}",Logger.LogType.Error);
                     Console.WriteLine(ex.StackTrace);
                     return (false, null);
                 }
             }
 
             return (true, imported);
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing kas address list with patch: {ex.Message}",Logger.LogType.Error);
+        }
+        
 
         // int GenerateNewRefsid()
         // {
@@ -236,6 +253,7 @@ public class DataImport
         //     last_refsid = biggest + 1;
         //     return last_refsid;
         // }
+        return (false, null);
     }
 
 
@@ -245,6 +263,8 @@ public class DataImport
     }
 
     private static string[] ParseCsvLine(string line, char separator)
+    {
+        try
         {
             var fields = new List<string>();
             var current = new StringBuilder();
@@ -280,4 +300,11 @@ public class DataImport
             fields.Add(current.ToString().Trim());
             return fields.ToArray();
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while persing csv line: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return [];
+    }
 }

Tasks/PdfBuilder.cs

@@ -17,6 +17,8 @@ public class PdfBuilder
     private readonly XFont _smallFont;
 
     public PdfBuilder(PdfExportSettings? settings = null)
+    {
+        try
         {
             EnsureFontResolverRegistered();
             _settings = settings ?? new PdfExportSettings();
@@ -32,8 +34,9 @@ public class PdfBuilder
                         chosenFamily = StripStyleSuffix(Path.GetFileNameWithoutExtension(first)) ?? chosenFamily;
                 }
             }
-        catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while searching for fonts: {ex.Message}",Logger.LogType.Error);
                 chosenFamily = "Arial";
             }
 
@@ -41,15 +44,32 @@ public class PdfBuilder
             _regularFont = new XFont(chosenFamily, _settings.fontSize, XFontStyleEx.Regular);
             _smallFont = new XFont(chosenFamily, _settings.smallFontSize, XFontStyleEx.Regular);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while font resolving: {ex.Message}",Logger.LogType.Error);
+        }
+        
+
+    }
 
     private static void EnsureFontResolverRegistered()
+    {
+        try
         {
             if (GlobalFontSettings.FontResolver != null) return;
             //var fontsDir = Path.Combine(AppContext.BaseDirectory, "fonts");
             GlobalFontSettings.FontResolver = new StableFontResolver(Global._instance.font_path);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while ensuring font resolver register state: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private static string StripStyleSuffix(string name)
+    {
+        try
         {
             if (string.IsNullOrEmpty(name)) return name;
             var idx = name.IndexOf('-');
@@ -58,6 +78,14 @@ public class PdfBuilder
                 return name.Substring(0, idx);
             return name;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while stripping style suffix: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+
+    }
 
 
     /// <summary>
@@ -68,6 +96,8 @@ public class PdfBuilder
     /// <param name="outputPath">Path where the PDF should be saved</param>
     public void CreateAddressLabelPdfFromAddressSetWithPlaceholder(int addressSetId, string placeholderText,
         string outputPath)
+    {
+        try
         {
             // Find the AddressSet by ID
             var addressSet = Settings._instance.addressSets.GetAddressSetByID(addressSetId);
@@ -115,6 +145,13 @@ public class PdfBuilder
         {
             ExportRunningSheets(addressSetId, outputPath);
         }
+            CreateAddressLabelPdfWithPlaceholder(addresses, placeholderText, outputPath);
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while creating address label pdf from address set with placeholder: {ex.Message}",Logger.LogType.Error);
+        }
+        
     }
 
     /// <summary>
@@ -124,6 +161,8 @@ public class PdfBuilder
     /// <param name="placeholderText">Text for the first cell (top-left)</param>
     /// <param name="outputPath">Path where the PDF should be saved</param>
     public void CreateAddressLabelPdfWithPlaceholder(List<string> addresses, string placeholderText, string outputPath)
+    {
+        try
         {
                 if (addresses == null || addresses.Count == 0)
                     throw new ArgumentException("Addresses array cannot be null or empty");
@@ -146,6 +185,12 @@ public class PdfBuilder
 
                 document.Save(outputPath);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while creating address label pdf with placeholder: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawPage(XGraphics gfx, List<string> addresses, ref int addressIndex)
     {
@@ -168,6 +213,8 @@ public class PdfBuilder
 
     private void DrawPageWithPlaceholder(XGraphics gfx, List<string> addresses, ref int addressIndex,
         ref bool isFirstCell, string placeholderText)
+    {
+        try
         {
             for (var row = 0; row < _settings.rowsPerPage; row++)
             for (var col = 0; col < _settings.columnsPerPage; col++)
@@ -192,8 +239,16 @@ public class PdfBuilder
                 }
             }
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing page with placholder: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawCell(XGraphics gfx, double x, double y, string? address)
+    {
+        try
         {
             var cellWidthPoints = MmToPoints(GetCellWidthMm());
             var cellHeightPoints = MmToPoints(GetCellHeightMm());
@@ -205,8 +260,16 @@ public class PdfBuilder
             // Draw address content if available
             if (!string.IsNullOrEmpty(address)) DrawMarkdownText(gfx, address, x, y, cellWidthPoints, cellHeightPoints);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing cell: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawEmptyCell(XGraphics gfx, double x, double y)
+    {
+        try
         {
             var cellWidthPoints = MmToPoints(GetCellWidthMm());
             var cellHeightPoints = MmToPoints(GetCellHeightMm());
@@ -214,8 +277,16 @@ public class PdfBuilder
             var rect = new XRect(x, y, cellWidthPoints, cellHeightPoints);
             gfx.DrawRectangle(XPens.Black, rect);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing empty cell: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawMarkdownText(XGraphics gfx, string text, double x, double y, double cellWidth, double cellHeight)
+    {
+        try
         {
             var paddingLeftPoints = MmToPoints(_settings.cellPaddingLeftMm);
             var paddingRightPoints = MmToPoints(_settings.cellPaddingRightMm);
@@ -250,8 +321,16 @@ public class PdfBuilder
                 currentY += lineHeight;
             }
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing markdown text: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawLineWithMarkdown(XGraphics gfx, string line, double x, double y, double maxWidth)
+    {
+        try
         {
             if (string.IsNullOrWhiteSpace(line)) return;
             var currentX = x;
@@ -341,8 +420,16 @@ public class PdfBuilder
                 i = textEnd;
             }
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing markdown line: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private string TruncateTextToWidth(XGraphics gfx, string text, XFont font, double maxWidth)
+    {
+        try
         {
             if (string.IsNullOrEmpty(text))
                 return text;
@@ -357,6 +444,13 @@ public class PdfBuilder
 
             return string.Empty;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while truncating text to width: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     /// <summary>
     ///     Converts millimeters to points (1 mm = 2.834645669 points)
@@ -400,21 +494,27 @@ public class PdfBuilder
 
     public void ExportRunningSheets(int setID, string path)
     {
+        string international_path = path;
         if (path.EndsWith(".pdf"))
         {
             path = path.Substring(0, path.Length - 4);
+            international_path = path;
             path = path + "-Laufzettel.pdf";
+            international_path = international_path + "-Laufzettel-International.pdf";
         }
         else
         {
             path = path + "-Laufzettel.pdf";
+            international_path = international_path + "-Laufzettel-International.pdf";
         }
 
-        CreateRunningSheets(setID, path);
+        CreateGermanyRunningSheets(setID, path);
+        CreateInternationalRunningSheets(setID, international_path);
 
     }
 
-    public void CreateRunningSheets(int setID, string path)
+
+    public void CreateGermanyRunningSheets(int setID, string path)
     {
         KasAddressList list = Settings._instance.addressSets.GetAddressSetByID(setID);
         var document = new PdfDocument();
@@ -422,60 +522,94 @@ public class PdfBuilder
         document.Info.Subject = "powered by logofclient";
         document.Info.Author = "logofclient";
 
-        int margin = 50;
+        var grouped_nums = GroupAddresses(setID).ToList();
 
-        var grouped_nums = GroupAddresses(setID);
+        // Zwei Tabellen pro A4-Seite
+        int sheets = (grouped_nums.Count + 1) / 2;
 
-        foreach (var result in grouped_nums)
+        // Layout
+        double marginX = 20;
+        double marginY = 20;
+        double gapY = 12;
+
+        for (int pageIndex = 0; pageIndex < sheets; pageIndex++)
         {
             var page = document.AddPage();
             page.Size = PageSize.A4;
-
             var gfx = XGraphics.FromPdfPage(page);
 
-            var width = page.Width.Point-margin;
-            var height = page.Height.Point-margin;
-            gfx.DrawLine(XPens.Black, margin, margin, margin, height);
-            gfx.DrawLine(XPens.Black, margin, margin, width, margin);
-            gfx.DrawLine(XPens.Black, width, margin, width, height);
-            gfx.DrawLine(XPens.Black, margin, height, width, height);
+            double pageW = page.Width.Point;
+            double pageH = page.Height.Point;
 
-            var boldfont = new XFont("Cantarell", 11, XFontStyleEx.Bold);
-            var font = new XFont("Cantarell", 11, XFontStyleEx.Regular);
-            var bigboldfont = new XFont("Cantarell", 35, XFontStyleEx.Bold);
+            double usableW = pageW - 2 * marginX;
+            double usableH = pageH - 2 * marginY;
+            double tableH = (usableH - gapY) / 2.0;
 
-            // Versandinfo
-            gfx.DrawString($"Versand {list.Name}", boldfont, XBrushes.Black,
-                new XRect(margin+5, margin, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"Start: ", font, XBrushes.Black,
-                new XRect(margin+5, margin+25, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"{result.Item3}", font, XBrushes.Black,
-                new XRect(margin+75, margin+25, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"Ende: ", font, XBrushes.Black,
-                new XRect(margin+5, margin+40, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"{result.Item4}", font, XBrushes.Black,
-                new XRect(margin+75, margin+40, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"Kunde: ", font, XBrushes.Black,
-                new XRect(margin+5, margin+55, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"{Customer.GetCustomerByID(list.owner_id).name}", font, XBrushes.Black,
-                new XRect(margin+75, margin+55, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"Absender: ", font, XBrushes.Black,
-                new XRect(margin+5, margin+70, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"{Customer.GetCustomerByID(list.owner_id).sender_address}", font, XBrushes.Black,
-                new XRect(margin+75, margin+70, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"Anzahl: ", font, XBrushes.Black,
-                new XRect(margin+5, margin+85, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"{result.Item5}", font, XBrushes.Black,
-                new XRect(margin+75, margin+85, width-margin, 25), XStringFormats.CenterLeft);
+            double top1 = marginY;
+            double top2 = marginY + tableH + gapY;
 
-            // logofclient ad
-            gfx.DrawString($"powered by logofclient", font, XBrushes.Black,
-                new XRect(margin+5, height-55, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"(c) 2026 MyPapertown", font, XBrushes.Black,
-                new XRect(margin+5, height-40, width-margin, 25), XStringFormats.CenterLeft);
-            gfx.DrawString($"mypapercloud.de/logof", font, XBrushes.Black,
-                new XRect(margin+5, height-25, width-margin, 25), XStringFormats.CenterLeft);
+            var fontLabel = new XFont("Arial", 6, XFontStyleEx.Bold);
+            var fontText = new XFont("Arial", 6, XFontStyleEx.Regular);
+            var fontBig = new XFont("Arial", 30, XFontStyleEx.Bold);
 
+            int firstIndex = pageIndex * 2;
+            DrawGermanyRunningSheet(
+                gfx,
+                marginX,
+                top1,
+                usableW,
+                tableH,
+                list,
+                grouped_nums[firstIndex],
+                grouped_nums,
+                fontLabel,
+                fontText,
+                fontBig
+            );
+
+            if (firstIndex + 1 < grouped_nums.Count)
+            {
+                DrawGermanyRunningSheet(
+                    gfx,
+                    marginX,
+                    top2,
+                    usableW,
+                    tableH,
+                    list,
+                    grouped_nums[firstIndex + 1],
+                    grouped_nums,
+                    fontLabel,
+                    fontText,
+                    fontBig
+                );
+            }
+        }
+
+        document.Save(path);
+    }
+
+    private void DrawGermanyRunningSheet(
+        XGraphics gfx,
+        double x,
+        double y,
+        double w,
+        double h,
+        KasAddressList list,
+        dynamic result,
+        List<(int,string,string,string,int)> grouped_nums,
+        XFont fontLabel,
+        XFont fontText,
+        XFont fontBig)
+    {
+        double line = 1.0;
+
+        string sender = Customer.GetCustomerByID(list.owner_id)?.sender_address ?? "[Absender]";
+        string customerName = Customer.GetCustomerByID(list.owner_id)?.name ?? "[Kunde]";
+        string start = result.Item3?.ToString() ?? "[Start]";
+        string end = result.Item4?.ToString() ?? "[Ende]";
+        string amount = result.Item5?.ToString() ?? "[Anzahl]";
+        string groupNo = result.Item2?.ToString() ?? "[PLZ]";
+        string fraction = result.Item1?.ToString() ?? "[Fraktion]";
 
         int total_frac = 0;
         foreach (var item in grouped_nums)
@@ -483,15 +617,495 @@ public class PdfBuilder
             if (item.Item2 == result.Item2) total_frac++;
         }
 
-            // group number
-            gfx.DrawString($"{result.Item2}", bigboldfont, XBrushes.Black,
-                new XRect(margin, margin, width-margin, (height-margin)/2), XStringFormats.Center);
-            gfx.DrawString($"Fraktion {result.Item1}/{total_frac}", font, XBrushes.Black,
-                new XRect(margin, margin, width-margin, (height-margin)/2 + 50), XStringFormats.Center);
+        // Outer border
+        gfx.DrawRectangle(XPens.Black, x, y, w, h);
+
+        // Row heights
+        double r1 = h * 0.1;
+        double r2 = h * 0.1;
+        double r3 = h * 0.54;
+        double r4 = h * 0.30;
+
+        // Main horizontal lines
+        gfx.DrawLine(XPens.Black, x, y + r1, x + w, y + r1);
+        gfx.DrawLine(XPens.Black, x, y + r1 + r2, x + w, y + r1 + r2);
+        gfx.DrawLine(XPens.Black, x, y + r1 + r2 + r3, x + w, y + r1 + r2 + r3);
+
+        // Top row columns
+        double c1 = w * 0.39;
+        double c2 = w * 0.20;
+        double c3 = w * 0.26;
+        double c4 = w * 0.15;
+
+        gfx.DrawLine(XPens.Black, x + c1, y, x + c1, y + r1);
+        gfx.DrawLine(XPens.Black, x + c1 + c2, y, x + c1 + c2, y + r1);
+        gfx.DrawLine(XPens.Black, x + c1 + c2 + c3, y, x + c1 + c2 + c3, y + r1);
+
+        // Second row columns
+        gfx.DrawLine(XPens.Black, x + c1, y + r1, x + c1, y + r1 + r2);
+        gfx.DrawLine(XPens.Black, x + c1 + c2, y + r1, x + c1 + c2, y + r1 + r2);
+        gfx.DrawLine(XPens.Black, x + c1 + c2 + c3, y + r1, x + c1 + c2 + c3, y + r1 + r2);
+
+        // Middle large area split
+        double midSplit = x + w * 0.55;
+        gfx.DrawLine(XPens.Black, midSplit, y + r1 + r2, midSplit, y + r1 + r2 + r3);
+
+        // Bottom section split
+        double leftBottomW = w * 0.42;
+        gfx.DrawLine(XPens.Black, x + leftBottomW, y + r1 + r2 + r3, x + leftBottomW, y + h);
+
+        // Bottom left rows
+        double blY1 = y + r1 + r2 + r3 + (r4 * 0.14);
+        double blY2 = y + r1 + r2 + r3 + (r4 * 0.28);
+        double blY3 = y + r1 + r2 + r3 + (r4 * 0.42);
+        double blY4 = y + r1 + r2 + r3 + (r4 * 0.56);
+        double blY5 = y + r1 + r2 + r3 + (r4 * 0.70);
+
+        gfx.DrawLine(XPens.Black, x, blY1, x + leftBottomW, blY1);
+        gfx.DrawLine(XPens.Black, x, blY2, x + leftBottomW, blY2);
+        gfx.DrawLine(XPens.Black, x, blY3, x + leftBottomW, blY3);
+        gfx.DrawLine(XPens.Black, x, blY4, x + leftBottomW, blY4);
+        gfx.DrawLine(XPens.Black, x, blY5, x + leftBottomW, blY5);
+
+        // Labels top row
+        gfx.DrawString("Absender:", fontLabel, XBrushes.Black, new XRect(x + 5, y + 4, c1 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Kunden-Nr. Absender:", fontLabel, XBrushes.Black, new XRect(x + c1 + 5, y + 4, c2 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("ZKZ/Titel:", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + 4, c3 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Anzahl Sendungen:", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + 4, c4 - 10, 14), XStringFormats.TopLeft);
+
+        // Values top row
+        gfx.DrawString(sender, fontText, XBrushes.Black, new XRect(x + 5, y + 20, c1 - 10, r1 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Kunden-Nr. Absender]", fontText, XBrushes.Black, new XRect(x + c1 + 5, y + 20, c2 - 10, r1 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[ZKZ/Titel]", fontText, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + 20, c3 - 10, r1 - 22), XStringFormats.TopLeft);
+        gfx.DrawString(amount, fontText, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + 20, c4 - 10, r1 - 22), XStringFormats.TopLeft);
+
+        // Second row labels
+        gfx.DrawString("Einlieferer:", fontLabel, XBrushes.Black, new XRect(x + 5, y + r1 + 4, c1 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Kunden-Nr. Einlieferer:", fontLabel, XBrushes.Black, new XRect(x + c1 + 5, y + r1 + 4, c2 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Interne Vermerke:", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + r1 + 4, c3 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Laufzeit", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + r1 + 4, c4 - 10, 14), XStringFormats.TopLeft);
+
+        // Second row values
+        gfx.DrawString(customerName, fontText, XBrushes.Black, new XRect(x + 5, y + r1 + 20, c1 - 10, r2 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Kunden-Nr. Einlieferer]", fontText, XBrushes.Black, new XRect(x + c1 + 5, y + r1 + 20, c2 - 10, r2 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Interne Vermerke]", fontText, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + r1 + 20, c3 - 10, r2 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Laufzeit]", fontText, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + r1 + 20, c4 - 10, r2 - 22), XStringFormats.TopLeft);
+
+        // Middle area
+        gfx.DrawString(groupNo, fontBig, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + 5, w * 0.50 - 10, r3 - 10),
+            XStringFormats.Center);
+        
+        gfx.DrawString("PRESSE/ELN", fontBig, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + 5, w * 0.50 - 10, r3 - 90),
+            XStringFormats.Center);
+
+        gfx.DrawString($"Fraktion {fraction}/{total_frac}", fontText, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + r3 - 18, w * 0.50 - 10, 14),
+            XStringFormats.CenterLeft);
+
+        gfx.DrawString("Bereich für postalische Zwecke:", fontLabel, XBrushes.Black,
+            new XRect(midSplit + 5, y + r1 + r2 + 4, w - (midSplit - x) - 10, 14),
+            XStringFormats.TopLeft);
+
+        // Bottom left labels
+        // Bottom left labels
+        gfx.DrawString("Einlieferungsdatum:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + r3 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("AM-Auftragsnummer:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY1 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Bundgewicht:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY2 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Paletten-Nr.:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY3 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Bund-Nr./Bunde auf Palette:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY4 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Bund-Nr. von Gesamtanzahl:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY5 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        // Bottom placeholders rechts daneben, gleiche Zeile
+        double valueX = x + leftBottomW * 0.55;
+        double valueW = leftBottomW - (valueX - x) - 5;
+
+        gfx.DrawString("[Einlieferungsdatum]", fontText, XBrushes.Black,
+            new XRect(valueX, y + r1 + r2 + r3 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[AM-Auftragsnummer]", fontText, XBrushes.Black,
+            new XRect(valueX, blY1 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[Bundgewicht]", fontText, XBrushes.Black,
+            new XRect(valueX, blY2 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[Paletten-Nr.]", fontText, XBrushes.Black,
+            new XRect(valueX, blY3 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[Bund-Nr./Bunde auf Palette]", fontText, XBrushes.Black,
+            new XRect(valueX, blY4 + 4, valueW, 14),
+            XStringFormats.TopRight);
+            
+        gfx.DrawString("[Bund-Nr. von Gesamtanzahl]", fontText, XBrushes.Black,
+            new XRect(valueX, blY5 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+
+        // Right bottom postal area label
+        gfx.DrawString("Feld für Palettenlabel/NVE:", fontLabel, XBrushes.Black,
+            new XRect(x + leftBottomW + 5, y + r1 + r2 + r3 + 4, w - leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+    }
+    
+    // public void CreateInternationalRunningSheets(int setID, string path)
+    // {
+    //     KasAddressList list = Settings._instance.addressSets.GetAddressSetByID(setID);
+    //     var document = new PdfDocument();
+    //     document.Info.Title = $"Laufzettel für {list.Name}";
+    //     document.Info.Subject = "powered by logofclient";
+    //     document.Info.Author = "logofclient";
+    //
+    //     int margin = 50;
+    //
+    //     var grouped_nums = GroupAddressesInternational(setID);
+    //
+    //     foreach (var result in grouped_nums)
+    //     {
+    //         var page = document.AddPage();
+    //         page.Size = PageSize.A4;
+    //
+    //         var gfx = XGraphics.FromPdfPage(page);
+    //
+    //         var width = page.Width.Point-margin;
+    //         var height = page.Height.Point-margin;
+    //         gfx.DrawLine(XPens.Black, margin, margin, margin, height);
+    //         gfx.DrawLine(XPens.Black, margin, margin, width, margin);
+    //         gfx.DrawLine(XPens.Black, width, margin, width, height);
+    //         gfx.DrawLine(XPens.Black, margin, height, width, height);
+    //
+    //         var boldfont = new XFont("Cantarell", 11, XFontStyleEx.Bold);
+    //         var font = new XFont("Cantarell", 11, XFontStyleEx.Regular);
+    //         var bigboldfont = new XFont("Cantarell", 35, XFontStyleEx.Bold);
+    //         
+    //         // Versandinfo
+    //         gfx.DrawString($"Versand {list.Name}", boldfont, XBrushes.Black,
+    //             new XRect(margin+5, margin, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"Start: ", font, XBrushes.Black,
+    //             new XRect(margin+5, margin+25, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"{result.Item3}", font, XBrushes.Black,
+    //             new XRect(margin+75, margin+25, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"Ende: ", font, XBrushes.Black,
+    //             new XRect(margin+5, margin+40, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"{result.Item4}", font, XBrushes.Black,
+    //             new XRect(margin+75, margin+40, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"Kunde: ", font, XBrushes.Black,
+    //             new XRect(margin+5, margin+55, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"{Customer.GetCustomerByID(list.owner_id).name}", font, XBrushes.Black,
+    //             new XRect(margin+75, margin+55, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"Absender: ", font, XBrushes.Black,
+    //             new XRect(margin+5, margin+70, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"{Customer.GetCustomerByID(list.owner_id).sender_address}", font, XBrushes.Black,
+    //             new XRect(margin+75, margin+70, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"Anzahl: ", font, XBrushes.Black,
+    //             new XRect(margin+5, margin+85, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"{result.Item5}", font, XBrushes.Black,
+    //             new XRect(margin+75, margin+85, width-margin, 25), XStringFormats.CenterLeft);
+    //         
+    //         // logofclient ad
+    //         gfx.DrawString($"powered by logofclient", font, XBrushes.Black,
+    //             new XRect(margin+5, height-55, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"(c) 2026 MyPapertown", font, XBrushes.Black,
+    //             new XRect(margin+5, height-40, width-margin, 25), XStringFormats.CenterLeft);
+    //         gfx.DrawString($"mypapercloud.de/logof", font, XBrushes.Black,
+    //             new XRect(margin+5, height-25, width-margin, 25), XStringFormats.CenterLeft);
+    //
+    //         
+    //         int total_frac = 0;
+    //         foreach (var item in grouped_nums)
+    //         {
+    //             if (item.Item2 == result.Item2) total_frac++;
+    //         }
+    //         
+    //         // group number
+    //         gfx.DrawString($"{result.Item2}", bigboldfont, XBrushes.Black,
+    //             new XRect(margin, margin, width-margin, (height-margin)/2), XStringFormats.Center);
+    //         gfx.DrawString($"Fraktion {result.Item1}/{total_frac}", font, XBrushes.Black,
+    //             new XRect(margin, margin, width-margin, (height-margin)/2 + 50), XStringFormats.Center);
+    //     }
+    //
+    //     if (document.PageCount > 0)
+    //     {
+    //         document.Save(path);    
+    //     }
+    //     
+    // }
+    
+    public void CreateInternationalRunningSheets(int setID, string path)
+    {
+        KasAddressList list = Settings._instance.addressSets.GetAddressSetByID(setID);
+
+        var document = new PdfDocument();
+        document.Info.Title = $"Laufzettel für {list.Name}";
+        document.Info.Subject = "powered by logofclient";
+        document.Info.Author = "logofclient";
+
+        var grouped_nums = GroupAddressesInternational(setID).ToList();
+
+        int sheets = (grouped_nums.Count + 1) / 2;
+
+        double marginX = 20;
+        double marginY = 20;
+        double gapY = 12;
+
+        for (int pageIndex = 0; pageIndex < sheets; pageIndex++)
+        {
+            var page = document.AddPage();
+            page.Size = PageSize.A4;
+
+            var gfx = XGraphics.FromPdfPage(page);
+
+            double pageW = page.Width.Point;
+            double pageH = page.Height.Point;
+
+            double usableW = pageW - 2 * marginX;
+            double usableH = pageH - 2 * marginY;
+            double tableH = (usableH - gapY) / 2.0;
+
+            double top1 = marginY;
+            double top2 = marginY + tableH + gapY;
+
+            var fontLabel = new XFont("Arial", 6, XFontStyleEx.Bold);
+            var fontText = new XFont("Arial", 6, XFontStyleEx.Regular);
+            var fontBig = new XFont("Arial", 30, XFontStyleEx.Bold);
+
+            int firstIndex = pageIndex * 2;
+
+            DrawInternationalRunningSheet(
+                gfx,
+                marginX,
+                top1,
+                usableW,
+                tableH,
+                list,
+                grouped_nums[firstIndex],
+                grouped_nums,
+                fontLabel,
+                fontText,
+                fontBig
+            );
+
+            if (firstIndex + 1 < grouped_nums.Count)
+            {
+                DrawInternationalRunningSheet(
+                    gfx,
+                    marginX,
+                    top2,
+                    usableW,
+                    tableH,
+                    list,
+                    grouped_nums[firstIndex + 1],
+                    grouped_nums,
+                    fontLabel,
+                    fontText,
+                    fontBig
+                );
+            }
         }
 
         document.Save(path);
     }
+        private void DrawInternationalRunningSheet(
+        XGraphics gfx,
+        double x,
+        double y,
+        double w,
+        double h,
+        KasAddressList list,
+        dynamic result,
+        List<(int,string,string,string,int)> grouped_nums,
+        XFont fontLabel,
+        XFont fontText,
+        XFont fontBig)
+    {
+        double line = 1.0;
+
+        string sender = Customer.GetCustomerByID(list.owner_id)?.sender_address ?? "[Absender]";
+        string customerName = Customer.GetCustomerByID(list.owner_id)?.name ?? "[Kunde]";
+        string start = result.Item3?.ToString() ?? "[Start]";
+        string end = result.Item4?.ToString() ?? "[Ende]";
+        string amount = result.Item5?.ToString() ?? "[Anzahl]";
+        string groupNo = result.Item2?.ToString() ?? "[PLZ]";
+        string fraction = result.Item1?.ToString() ?? "[Fraktion]";
+
+        int total_frac = 0;
+        foreach (var item in grouped_nums)
+        {
+            if (item.Item2 == result.Item2) total_frac++;
+        }
+
+        // Outer border
+        gfx.DrawRectangle(XPens.Black, x, y, w, h);
+
+        // Row heights
+        double r1 = h * 0.1;
+        double r2 = h * 0.1;
+        double r3 = h * 0.54;
+        double r4 = h * 0.30;
+
+        // Main horizontal lines
+        gfx.DrawLine(XPens.Black, x, y + r1, x + w, y + r1);
+        gfx.DrawLine(XPens.Black, x, y + r1 + r2, x + w, y + r1 + r2);
+        gfx.DrawLine(XPens.Black, x, y + r1 + r2 + r3, x + w, y + r1 + r2 + r3);
+
+        // Top row columns
+        double c1 = w * 0.39;
+        double c2 = w * 0.20;
+        double c3 = w * 0.26;
+        double c4 = w * 0.15;
+
+        gfx.DrawLine(XPens.Black, x + c1, y, x + c1, y + r1);
+        gfx.DrawLine(XPens.Black, x + c1 + c2, y, x + c1 + c2, y + r1);
+        gfx.DrawLine(XPens.Black, x + c1 + c2 + c3, y, x + c1 + c2 + c3, y + r1);
+
+        // Second row columns
+        gfx.DrawLine(XPens.Black, x + c1, y + r1, x + c1, y + r1 + r2);
+        gfx.DrawLine(XPens.Black, x + c1 + c2, y + r1, x + c1 + c2, y + r1 + r2);
+        gfx.DrawLine(XPens.Black, x + c1 + c2 + c3, y + r1, x + c1 + c2 + c3, y + r1 + r2);
+
+        // Middle large area split
+        double midSplit = x + w * 0.55;
+        gfx.DrawLine(XPens.Black, midSplit, y + r1 + r2, midSplit, y + r1 + r2 + r3);
+
+        // Bottom section split
+        double leftBottomW = w * 0.42;
+        gfx.DrawLine(XPens.Black, x + leftBottomW, y + r1 + r2 + r3, x + leftBottomW, y + h);
+
+        // Bottom left rows
+        double blY1 = y + r1 + r2 + r3 + (r4 * 0.14);
+        double blY2 = y + r1 + r2 + r3 + (r4 * 0.28);
+        double blY3 = y + r1 + r2 + r3 + (r4 * 0.42);
+        double blY4 = y + r1 + r2 + r3 + (r4 * 0.56);
+        double blY5 = y + r1 + r2 + r3 + (r4 * 0.70);
+
+        gfx.DrawLine(XPens.Black, x, blY1, x + leftBottomW, blY1);
+        gfx.DrawLine(XPens.Black, x, blY2, x + leftBottomW, blY2);
+        gfx.DrawLine(XPens.Black, x, blY3, x + leftBottomW, blY3);
+        gfx.DrawLine(XPens.Black, x, blY4, x + leftBottomW, blY4);
+        gfx.DrawLine(XPens.Black, x, blY5, x + leftBottomW, blY5);
+
+        // Labels top row
+        gfx.DrawString("Absender:", fontLabel, XBrushes.Black, new XRect(x + 5, y + 4, c1 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Kunden-Nr. Absender:", fontLabel, XBrushes.Black, new XRect(x + c1 + 5, y + 4, c2 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("ZKZ/Titel:", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + 4, c3 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Anzahl Sendungen:", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + 4, c4 - 10, 14), XStringFormats.TopLeft);
+
+        // Values top row
+        gfx.DrawString(sender, fontText, XBrushes.Black, new XRect(x + 5, y + 20, c1 - 10, r1 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Kunden-Nr. Absender]", fontText, XBrushes.Black, new XRect(x + c1 + 5, y + 20, c2 - 10, r1 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[ZKZ/Titel]", fontText, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + 20, c3 - 10, r1 - 22), XStringFormats.TopLeft);
+        gfx.DrawString(amount, fontText, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + 20, c4 - 10, r1 - 22), XStringFormats.TopLeft);
+
+        // Second row labels
+        gfx.DrawString("Einlieferer:", fontLabel, XBrushes.Black, new XRect(x + 5, y + r1 + 4, c1 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Kunden-Nr. Einlieferer:", fontLabel, XBrushes.Black, new XRect(x + c1 + 5, y + r1 + 4, c2 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Interne Vermerke:", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + r1 + 4, c3 - 10, 14), XStringFormats.TopLeft);
+        gfx.DrawString("Laufzeit", fontLabel, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + r1 + 4, c4 - 10, 14), XStringFormats.TopLeft);
+
+        // Second row values
+        gfx.DrawString(customerName, fontText, XBrushes.Black, new XRect(x + 5, y + r1 + 20, c1 - 10, r2 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Kunden-Nr. Einlieferer]", fontText, XBrushes.Black, new XRect(x + c1 + 5, y + r1 + 20, c2 - 10, r2 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Interne Vermerke]", fontText, XBrushes.Black, new XRect(x + c1 + c2 + 5, y + r1 + 20, c3 - 10, r2 - 22), XStringFormats.TopLeft);
+        gfx.DrawString("[Laufzeit]", fontText, XBrushes.Black, new XRect(x + c1 + c2 + c3 + 5, y + r1 + 20, c4 - 10, r2 - 22), XStringFormats.TopLeft);
+
+        // Middle area
+        gfx.DrawString(groupNo, fontBig, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + 5, w * 0.50 - 10, r3 - 10),
+            XStringFormats.Center);
+        
+        gfx.DrawString("PRESSE/ELN", fontBig, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + 5, w * 0.50 - 10, r3 - 90),
+            XStringFormats.Center);
+
+        gfx.DrawString($"Fraktion {fraction}/{total_frac}", fontText, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + r3 - 18, w * 0.50 - 10, 14),
+            XStringFormats.CenterLeft);
+
+        gfx.DrawString("Bereich für postalische Zwecke:", fontLabel, XBrushes.Black,
+            new XRect(midSplit + 5, y + r1 + r2 + 4, w - (midSplit - x) - 10, 14),
+            XStringFormats.TopLeft);
+
+        // Bottom left labels
+        // Bottom left labels
+        gfx.DrawString("Einlieferungsdatum:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, y + r1 + r2 + r3 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("AM-Auftragsnummer:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY1 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Bundgewicht:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY2 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Paletten-Nr.:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY3 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Bund-Nr./Bunde auf Palette:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY4 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        gfx.DrawString("Bund-Nr. von Gesamtanzahl:", fontLabel, XBrushes.Black,
+            new XRect(x + 5, blY5 + 4, leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+
+        // Bottom placeholders rechts daneben, gleiche Zeile
+        double valueX = x + leftBottomW * 0.55;
+        double valueW = leftBottomW - (valueX - x) - 5;
+
+        gfx.DrawString("[Einlieferungsdatum]", fontText, XBrushes.Black,
+            new XRect(valueX, y + r1 + r2 + r3 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[AM-Auftragsnummer]", fontText, XBrushes.Black,
+            new XRect(valueX, blY1 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[Bundgewicht]", fontText, XBrushes.Black,
+            new XRect(valueX, blY2 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[Paletten-Nr.]", fontText, XBrushes.Black,
+            new XRect(valueX, blY3 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+        gfx.DrawString("[Bund-Nr./Bunde auf Palette]", fontText, XBrushes.Black,
+            new XRect(valueX, blY4 + 4, valueW, 14),
+            XStringFormats.TopRight);
+            
+        gfx.DrawString("[Bund-Nr. von Gesamtanzahl]", fontText, XBrushes.Black,
+            new XRect(valueX, blY5 + 4, valueW, 14),
+            XStringFormats.TopRight);
+
+
+        // Right bottom postal area label
+        gfx.DrawString("Feld für Palettenlabel/NVE:", fontLabel, XBrushes.Black,
+            new XRect(x + leftBottomW + 5, y + r1 + r2 + r3 + 4, w - leftBottomW - 10, 14),
+            XStringFormats.TopLeft);
+    }
     
     /// <summary>
     /// Calculates address groups to summarize for the single pages of the running sheets.
@@ -510,7 +1124,7 @@ public class PdfBuilder
 
         List<IGrouping<string, KasPerson>> sorted_list = list.KasPersons
             .Where(x => !string.IsNullOrEmpty(x?.used_plz) &&
-                        x.used_plz.Length >= stpoint)
+                        x.used_plz.Length >= stpoint && x.IsGermany())
             .OrderBy(x => x.used_plz)
             .GroupBy(x => x.used_plz.Substring(0, stpoint))
             .ToList();
@@ -535,4 +1149,40 @@ public class PdfBuilder
 
         return output;
     }
+    
+    public List<(int, string, string, string, int)> GroupAddressesInternational(int setID)
+    {
+        int grpcount = Settings._instance.pdfExport.rsNumGrouped; // Amount of addresses per group
+        KasAddressList list = Settings._instance.addressSets.GetAddressSetByID(setID);
+        if (list == null)
+            throw new Exception("AddressSet nicht gefunden");
+        
+        List<(int, string, string, string, int)> output = new();
+
+        List<IGrouping<string, KasPerson>> sorted_list = list.KasPersons
+            .Where(x => !string.IsNullOrEmpty(x?.used_plz) && !x.IsGermany())
+            .OrderBy(x => x.used_plz)
+            .GroupBy(x => x.land)
+            .ToList();
+        
+        foreach (var group in sorted_list)
+        {
+            string start = group.Key;
+            int fraktion = 0;
+
+            for (int count = 0; count < group.Count(); count += grpcount)
+            {
+                fraktion++;
+
+                int currentGroupSize = Math.Min(grpcount, group.Count() - count);
+
+                string first = group.ElementAt(count).used_plz;
+                string last = group.ElementAt(count + currentGroupSize - 1).used_plz;
+
+                output.Add((fraktion, start, first, last, currentGroupSize));
+            }
+        }
+
+        return output;
+    }
 }

Tasks/StableFontResolver.cs

@@ -62,13 +62,15 @@ public class StableFontResolver : IFontResolver
                 }
             }
         }
-        catch
+        catch (Exception ex)
         {
-            // ignore resolver init errors
+            Logger.Log($"Error while initializing FontResolver: {ex.Message}",Logger.LogType.Error);
         }
     }
 
     private static string NormalizeStyle(string s)
+    {
+        try
         {
             if (string.IsNullOrEmpty(s)) return "Regular";
             s = s.ToLowerInvariant();
@@ -78,8 +80,17 @@ public class StableFontResolver : IFontResolver
             if (s.Contains("regular") || s == "r") return "Regular";
             return CultureInfo.InvariantCulture.TextInfo.ToTitleCase(s);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while normalizing style: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     public FontResolverInfo ResolveTypeface(string familyName, bool isBold, bool isItalic)
+    {
+        try
         {
             // If requested family exists, pick corresponding style if available
             string familyToUse = null;
@@ -100,8 +111,17 @@ public class StableFontResolver : IFontResolver
             // Face name format: Family#Style
             return new FontResolverInfo($"{familyToUse}#{style}");
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while resolving typeface: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     public byte[] GetFont(string faceName)
+    {
+        try
         {
             if (string.IsNullOrEmpty(faceName)) return null;
 
@@ -133,4 +153,11 @@ public class StableFontResolver : IFontResolver
 
             return null;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while getting font: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return [];
+    }
 }

Wiki/EditorWindow.axaml.cs

@@ -10,20 +10,24 @@ public partial class EditorWindow : Window
     public string filename = "";
 
     public EditorWindow(string filename = "")
+    {
+        try
         {
             InitializeComponent();
-        this.filename = filename;
-        if (!string.IsNullOrWhiteSpace(filename) && File.Exists(filename))
+            this.filename = PathUtilities.NormalizeFileSystemPath(filename);
+            if (!string.IsNullOrWhiteSpace(this.filename) && File.Exists(this.filename))
             {
                 var content = TbContent;
                 if (content != null) content.Text = File.ReadAllText(this.filename);
                 Title = "Wiki Editor - " + filename;
             }
-        else if (!string.IsNullOrWhiteSpace(filename))
+            else if (!string.IsNullOrWhiteSpace(this.filename))
             {
                 MessageBox.Show(null, "Die Datei existiert nicht", "Fehler");
                 Close();
             }
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+        
     }
 
     private void BtnSave_OnClick(object? sender, RoutedEventArgs e)
@@ -31,20 +35,22 @@ public partial class EditorWindow : Window
         try
         {
             File.WriteAllText(filename, TbContent.Text);
-            MainWindow._instance.PopulateNavTree();
+            MainWindow._instance.PopulateNavTree(filename, filename);
         }
         catch (Exception ex)
         {
             MessageBox.Show(null,
                 "Es ist ein Fehler aufgetreten. Bitte senden Sie ihn über git.mypapercloud.de/fierke/logofclient ein:\n" +
                 ex.StackTrace, "Fehler");
+            Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);
         }
     }
 
     private void BtnSaveAs_OnClick(object? sender, RoutedEventArgs e)
     {
         MessageBox.Show(null,
-            "Feature noch nicht implemetiert.\nErstelle neue Dateien unter " + Global._instance.wiki_storage_path,
+            "Feature noch nicht implemetiert.\nErstelle neue Dateien unter " +
+            PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path),
             "Fehler");
     }
 
@@ -55,7 +61,7 @@ public partial class EditorWindow : Window
         try
         {
             File.Delete(filename);
-        } catch {}
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
         
         MainWindow._instance.PopulateNavTree();
         Close();

Wiki/MarkdownRenderer.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using Avalonia.Controls;
 using Avalonia.Media;
@@ -10,120 +11,130 @@ namespace Logof_Client.Wiki;
 
 public static class MarkdownRenderer
 {
-    public static Control Render(string markdown)
-    {
-        var panel = new StackPanel { Spacing = 6 };
-        if (string.IsNullOrWhiteSpace(markdown)) return panel;
-
-        var doc = Markdown.Parse(markdown);
-
-        foreach (var block in doc)
-        {
-            switch (block)
-            {
-                case HeadingBlock hb:
-                {
-                    var text = GetInlineText(hb.Inline);
-                    var tb = new TextBlock
-                    {
-                        Text = text,
-                        FontWeight = FontWeight.Bold,
-                        Margin = new Avalonia.Thickness(0, hb.Level == 1 ? 6 : 2, 0, 2)
-                    };
-                    tb.FontSize = hb.Level switch { 1 => 22, 2 => 18, 3 => 16, _ => 14 };
-                    panel.Children.Add(tb);
-                    break;
-                }
-
-                case ParagraphBlock pb:
-                {
-                    var text = GetInlineText(pb.Inline);
-                    var tb = new TextBlock { Text = text, TextWrapping = Avalonia.Media.TextWrapping.Wrap };
-                    panel.Children.Add(tb);
-                    break;
-                }
-
-                case FencedCodeBlock cb:
-                {
-                    var sb = new StringBuilder();
-                    foreach (var line in cb.Lines.Lines)
-                    {
-                        sb.Append(line.ToString());
-                    }
-                    var codeBox = new TextBox
-                    {
-                        Text = sb.ToString(),
-                        FontFamily = "Consolas, monospace",
-                        IsReadOnly = true,
-                        AcceptsReturn = true
-                    };
-                    panel.Children.Add(codeBox);
-                    break;
-                }
-
-                case ListBlock lb:
-                {
-                    var sp = new StackPanel { Spacing = 2 };
-                    var number = 1;
-                    foreach (var item in lb)
-                    {
-                        if (item is ListItemBlock lib)
-                        {
-                            var itemText = new StringBuilder();
-                            foreach (var sub in lib)
-                            {
-                                if (sub is ParagraphBlock pp)
-                                    itemText.Append(GetInlineText(pp.Inline));
-                            }
-                            var tb = new TextBlock { Text = (lb.IsOrdered ? (number++ + ". ") : "• ") + itemText.ToString() };
-                            sp.Children.Add(tb);
-                        }
-                    }
-                    panel.Children.Add(sp);
-                    break;
-                }
-
-                default:
-                {
-                    // fallback: raw text
-                    panel.Children.Add(new TextBlock { Text = block.ToString() });
-                    break;
-                }
-            }
-        }
-
-        return panel;
-    }
-
-    private static string GetInlineText(ContainerInline? container)
-    {
-        if (container == null) return string.Empty;
-        var sb = new StringBuilder();
-        foreach (var inline in container)
-        {
-            switch (inline)
-            {
-                case LiteralInline li:
-                    sb.Append(li.Content.ToString());
-                    break;
-                case EmphasisInline ei:
-                    sb.Append(GetInlineText(ei));
-                    break;
-                case CodeInline ci:
-                    sb.Append(ci.Content);
-                    break;
-                case LinkInline li:
-                    sb.Append(GetInlineText(li));
-                    break;
-                case LineBreakInline:
-                    sb.Append("\n");
-                    break;
-                default:
-                    sb.Append(inline.ToString());
-                    break;
-            }
-        }
-
-        return sb.ToString();
-    }
+    // public static Control Render(string markdown)
+    // {
+    //     try
+    //     {
+    //         var panel = new StackPanel { Spacing = 6 };
+    //         if (string.IsNullOrWhiteSpace(markdown)) return panel;
+    //
+    //         var doc = Markdown.Parse(markdown);
+    //
+    //         foreach (var block in doc)
+    //         {
+    //             switch (block)
+    //             {
+    //                 case HeadingBlock hb:
+    //                 {
+    //                     var text = GetInlineText(hb.Inline);
+    //                     var tb = new TextBlock
+    //                     {
+    //                         Text = text,
+    //                         FontWeight = FontWeight.Bold,
+    //                         Margin = new Avalonia.Thickness(0, hb.Level == 1 ? 6 : 2, 0, 2)
+    //                     };
+    //                     tb.FontSize = hb.Level switch { 1 => 22, 2 => 18, 3 => 16, _ => 14 };
+    //                     panel.Children.Add(tb);
+    //                     break;
+    //                 }
+    //
+    //                 case ParagraphBlock pb:
+    //                 {
+    //                     var text = GetInlineText(pb.Inline);
+    //                     var tb = new TextBlock { Text = text, TextWrapping = Avalonia.Media.TextWrapping.Wrap };
+    //                     panel.Children.Add(tb);
+    //                     break;
+    //                 }
+    //
+    //                 case FencedCodeBlock cb:
+    //                 {
+    //                     var sb = new StringBuilder();
+    //                     foreach (var line in cb.Lines.Lines)
+    //                     {
+    //                         sb.Append(line.ToString());
+    //                     }
+    //                     var codeBox = new TextBox
+    //                     {
+    //                         Text = sb.ToString(),
+    //                         FontFamily = "Consolas, monospace",
+    //                         IsReadOnly = true,
+    //                         AcceptsReturn = true
+    //                     };
+    //                     panel.Children.Add(codeBox);
+    //                     break;
+    //                 }
+    //
+    //                 case ListBlock lb:
+    //                 {
+    //                     var sp = new StackPanel { Spacing = 2 };
+    //                     var number = 1;
+    //                     foreach (var item in lb)
+    //                     {
+    //                         if (item is ListItemBlock lib)
+    //                         {
+    //                             var itemText = new StringBuilder();
+    //                             foreach (var sub in lib)
+    //                             {
+    //                                 if (sub is ParagraphBlock pp)
+    //                                     itemText.Append(GetInlineText(pp.Inline));
+    //                             }
+    //                             var tb = new TextBlock { Text = (lb.IsOrdered ? (number++ + ". ") : "• ") + itemText.ToString() };
+    //                             sp.Children.Add(tb);
+    //                         }
+    //                     }
+    //                     panel.Children.Add(sp);
+    //                     break;
+    //                 }
+    //
+    //                 default:
+    //                 {
+    //                     // fallback: raw text
+    //                     panel.Children.Add(new TextBlock { Text = block.ToString() });
+    //                     break;
+    //                 }
+    //             }
+    //         }
+    //
+    //         return panel;
+    //     } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+    //
+    //     return new Panel();
+    // }
+    //
+    // private static string GetInlineText(ContainerInline? container)
+    // {
+    //     try
+    //     {
+    //         if (container == null) return string.Empty;
+    //         var sb = new StringBuilder();
+    //         foreach (var inline in container)
+    //         {
+    //             switch (inline)
+    //             {
+    //                 case LiteralInline li:
+    //                     sb.Append(li.Content.ToString());
+    //                     break;
+    //                 case EmphasisInline ei:
+    //                     sb.Append(GetInlineText(ei));
+    //                     break;
+    //                 case CodeInline ci:
+    //                     sb.Append(ci.Content);
+    //                     break;
+    //                 case LinkInline li:
+    //                     sb.Append(GetInlineText(li));
+    //                     break;
+    //                 case LineBreakInline:
+    //                     sb.Append("\n");
+    //                     break;
+    //                 default:
+    //                     sb.Append(inline.ToString());
+    //                     break;
+    //             }
+    //         }
+    //
+    //         return sb.ToString();
+    //     } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+    //
+    //     return null;
+    // }
 }

Wiki/WikiService.cs

@@ -13,7 +13,7 @@ public class WikiService
         // prefer global wiki storage path if configured
         if (Global._instance != null && !string.IsNullOrWhiteSpace(Global._instance.wiki_storage_path))
         {
-            var cfg = Global._instance.wiki_storage_path;
+            var cfg = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
             WikiRootFullPath = Path.IsPathRooted(cfg)
                 ? cfg
                 : Path.Combine(Directory.GetCurrentDirectory(), cfg);
@@ -25,8 +25,11 @@ public class WikiService
                 wikiRoot = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                     "logofclient",
                     "wiki");
+            wikiRoot = PathUtilities.NormalizeFileSystemPath(wikiRoot);
             WikiRoot = wikiRoot;
-            WikiRootFullPath = Path.Combine(Directory.GetCurrentDirectory(), wikiRoot);
+            WikiRootFullPath = Path.IsPathRooted(wikiRoot)
+                ? wikiRoot
+                : Path.Combine(Directory.GetCurrentDirectory(), wikiRoot);
         }
     }
 

docs/logof_client_docs.tex

@@ -1,157 +0,0 @@
-\documentclass[a4paper]{article}
-\usepackage{graphicx}
-\usepackage[left=3cm,right=3cm,top=3cm, bottom=3cm]{geometry}
-\usepackage{amsmath}
-\usepackage{amssymb}
-\usepackage[headsepline, footsepline]{scrlayer-scrpage}
-\usepackage{enumerate}
-\usepackage{dsfont}
-\usepackage[]{mathtools}
-\usepackage[]{mathbbol}
-\usepackage{multicol}
-\usepackage{enumitem}
-\usepackage[hidelinks]{hyperref}
-\usepackage[]{circuitikz}
-\usepackage{tcolorbox} % Für schöne Boxen
-\usetikzlibrary{circuits.logic.IEC}
-\usepackage{tikz}
-\usepackage{tkz-graph}
-\usepackage{listings}
-\usepackage{xcolor}
-
-\setlist{itemsep=0.3em, topsep=0.5em, parsep=0pt}
-
-\newcommand{\bpf}[1]{%
-	\par\vspace{0.8\baselineskip}% Abstand vor der Überschrift
-	\noindent\textbf{#1}% Fettgedruckte Überschrift
-	\par\vspace{0.3\baselineskip}% Abstand nach der Überschrift
-}
-
-
-
-\renewcommand{\contentsname}{Inhaltsverzeichnis}
-\renewcommand{\figurename}{Grafik}
-\renewcommand{\partname}{Teil}
-\renewcommand{\epsilon}{\varepsilon}
-
-\definecolor{darkgrey}{HTML}{232327}
-
-% Zählerdefinition mit AUTOMATISCHEM SUBSECTION-RESET
-\newcounter{commoncounter}[subsection]
-\renewcommand{\thecommoncounter}{\thesubsection.\arabic{commoncounter}}
-
-% Zähler direkt bei Dokumentstart initialisieren
-\AtBeginDocument{\setcounter{commoncounter}{0}}
-
-% BOX-DEFINITIONEN mit korrigierter Zählerlogik
-\newtcolorbox{definitionbox}[1][]{
-	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
-	title={Definition \thecommoncounter: #1},
-	colback=white,
-	colframe=white!75!darkgrey,
-	fonttitle=\bfseries,
-	boxrule=0.6mm,
-	coltitle=black,
-	rounded corners,
-	before skip=10pt,
-	after skip=10pt
-}
-
-\newtcolorbox{examplebox}[1][]{
-	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
-	title={Beispiel \thecommoncounter: #1},
-	colback=white,
-	colframe=white!75!orange,
-	fonttitle=\bfseries,
-	boxrule=0.6mm,
-	coltitle=black,
-	rounded corners,
-	before skip=10pt,
-	after skip=10pt
-}
-
-\newtcolorbox{satzbox}[1][]{
-	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
-	title={Satz \thecommoncounter: #1},
-	colback=white,
-	colframe=white!75!blue,
-	fonttitle=\bfseries,
-	boxrule=0.6mm,
-	coltitle=black,
-	rounded corners,
-	before skip=10pt,
-	after skip=10pt
-}
-
-
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codeblue}{rgb}{0,0,0.8}
-\definecolor{codered}{rgb}{0.8,0,0}
-\definecolor{lightgray}{rgb}{0.95,0.95,0.95}
-
-\lstdefinestyle{CSharpStyle}{
-	language=Python,
-	basicstyle=\ttfamily\small, % Monospace-Schrift
-	keywordstyle=\color{blue}\bfseries, % Schlüsselwörter fett und blau
-	stringstyle=\color{red}, % Strings rot
-	commentstyle=\color{codegreen}, % Kommentare grün
-	backgroundcolor=\color{lightgray}, % Hintergrundfarbe
-	numbers=left, % Zeilennummern links
-	numbersep=10px, % Abstand zwischen Zeilennummern und Code
-	numberstyle=\color{gray}\texttt,
-	stepnumber=1, % Zeilennummerierung Schrittweite 1
-	frame=single, % Rahmen um den Code
-	tabsize=4, % Tabulatorgröße
-	breaklines=true, % Zeilenumbruch aktivieren
-	captionpos=none,
-	showstringspaces=false,
-	xleftmargin=15pt, % Linker Rand für den Code (verschiebt alles nach rechts)
-}
-
-
-
-% Umgebung für Listings mit Titel und Zähler
-\newenvironment{codeexample}[1][]{
-	\refstepcounter{commoncounter} % Zähler erhöhen
-	\lstset{
-		style=CSharpStyle,
-		caption={Listing \thecommoncounter: #1}, % Titel mit Zähler
-		label={listing:\thecommoncounter}
-	}
-}{}
-
-
-\setlength{\parindent}{0pt}
-
-\title{\includegraphics[width=0.3\textwidth]{../assets/icon.png}\vspace{15pt}\\Logof Client\\
-	Handbuch}
-\author{Elias Fierke}
-\pagestyle{scrheadings}
-\date{Oktober 2025}
-\begin{document}
-	
-	\ohead{Oktober 2025}
-	\ofoot{Seite {\pagemark} von \pageref{LastPage}}
-	\ihead{Logof Client Handbuch}
-	\maketitle
-
-	
-	\tableofcontents
-	
-	\newpage
-	\part{Einführung}
-	
-	
-	\newpage
-	\part{Installation}
-	
-	\newpage
-	\part{Adress-Verwaltung}
-
-
-	
-
-	
-\label{LastPage}
-\end{document}