launch error display

Views/ErrorDialog.axaml

@@ -0,0 +1,37 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="UnifiedFarmLauncher.Views.ErrorDialog"
+        Title="Error"
+        Width="700"
+        Height="500"
+        MinWidth="500"
+        MinHeight="300"
+        WindowStartupLocation="CenterOwner">
+    <Grid RowDefinitions="Auto,*,Auto" Margin="15">
+        <!-- Header with icon and title -->
+        <StackPanel Orientation="Horizontal" Grid.Row="0" Margin="0,0,0,15">
+            <TextBlock Text="❌" FontSize="24" VerticalAlignment="Center" Margin="0,0,10,0"/>
+            <TextBlock Text="Error" FontSize="18" FontWeight="Bold" VerticalAlignment="Center"/>
+        </StackPanel>
+        
+        <!-- Scrollable error content -->
+        <ScrollViewer Grid.Row="1" 
+                      VerticalScrollBarVisibility="Auto" 
+                      HorizontalScrollBarVisibility="Disabled">
+            <Border>
+                <TextBlock x:Name="ErrorTextBlock" 
+                           TextWrapping="Wrap" 
+                           FontFamily="Consolas, Courier New, monospace"
+                           FontSize="12"/>
+            </Border>
+        </ScrollViewer>
+        
+        <!-- OK Button -->
+        <Button Grid.Row="2" 
+                Content="OK" 
+                HorizontalAlignment="Right" 
+                Width="80" 
+                Margin="0,15,0,0"
+                Click="OkButton_Click"/>
+    </Grid>
+</Window>