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>

Views/ErrorDialog.axaml.cs

@@ -0,0 +1,23 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+
+namespace UnifiedFarmLauncher.Views
+{
+    public partial class ErrorDialog : Window
+    {
+        public ErrorDialog()
+        {
+            InitializeComponent();
+        }
+
+        public ErrorDialog(string errorMessage) : this()
+        {
+            this.FindControl<TextBlock>("ErrorTextBlock")!.Text = errorMessage;
+        }
+
+        private void OkButton_Click(object? sender, RoutedEventArgs e)
+        {
+            Close();
+        }
+    }
+}

Views/MainWindow.axaml.cs

@@ -128,10 +128,8 @@ namespace UnifiedFarmLauncher.Views
                 }
                 catch (System.Exception ex)
                 {
-                    var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
-                        $"Failed to start worker: {ex.Message}", 
-                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
-                    await errorBox.ShowAsync();
+                    var errorDialog = new ErrorDialog($"Failed to start worker: {ex.Message}");
+                    await errorDialog.ShowDialog(this);
                 }
             }
         }
@@ -171,10 +169,8 @@ namespace UnifiedFarmLauncher.Views
                 }
                 catch (System.Exception ex)
                 {
-                    var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
-                        $"Failed to stop worker: {ex.Message}", 
-                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
-                    await errorBox.ShowAsync();
+                    var errorDialog = new ErrorDialog($"Failed to stop worker: {ex.Message}");
+                    await errorDialog.ShowDialog(this);
                 }
             }
         }
@@ -210,10 +206,8 @@ namespace UnifiedFarmLauncher.Views
                 }
                 catch (System.Exception ex)
                 {
-                    var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
-                        $"Failed to attach to worker: {ex.Message}", 
-                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
-                    await errorBox.ShowAsync();
+                    var errorDialog = new ErrorDialog($"Failed to attach to worker: {ex.Message}");
+                    await errorDialog.ShowDialog(this);
                 }
             }
         }