diff --git a/MatterControl.userprefs b/MatterControl.userprefs
index e7c0e6c8b..bd0a41553 100644
--- a/MatterControl.userprefs
+++ b/MatterControl.userprefs
@@ -1,19 +1,11 @@
 <Properties>
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug" />
-  <MonoDevelop.Ide.Workbench ActiveDocument="c:\Users\Matter Hackers 1\Development\MatterControl\PartPreviewWindow\GcodeViewBasic.cs">
+  <MonoDevelop.Ide.Workbench ActiveDocument="PrintLevelWizard.cs">
     <Files>
       <File FileName="MatterControlApplication.cs" Line="1" Column="1" />
-      <File FileName="SliceConfiguration\ActiveSliceSettings.cs" Line="1" Column="1" />
-      <File FileName="SliceConfiguration\CuraEnginMappings.cs" Line="1" Column="1" />
-      <File FileName="PrinterControls\SDCardManager.cs" Line="1" Column="1" />
-      <File FileName="ToolsPage\ToolsWidget.cs" Line="1" Column="1" />
-      <File FileName="PrinterControls\TemperatureIndicator.cs" Line="299" Column="4" />
-      <File FileName="c:\Users\Matter Hackers 1\Development\MatterControl\SliceConfiguration\SlicingQueue.cs" Line="189" Column="74" />
-      <File FileName="CustomWidgets\EditableNumberDisplay.cs" Line="62" Column="46" />
-      <File FileName="ActionBar\PrintActionRow.cs" Line="1" Column="1" />
-      <File FileName="..\agg-sharp\Gui\FileDialogs\FileDialog.cs" Line="1" Column="1" />
-      <File FileName="c:\Users\Matter Hackers 1\Development\agg-sharp\Gui\GUIWidget.cs" Line="1" Column="1" />
-      <File FileName="c:\Users\Matter Hackers 1\Development\MatterControl\PartPreviewWindow\GcodeViewBasic.cs" Line="269" Column="92" />
+      <File FileName="Localizations\LocalizedString.cs" Line="1" Column="1" />
+      <File FileName="c:\Users\Matter Hackers 1\Development\agg-sharp\Gui\GUIWidget.cs" Line="2116" Column="1" />
+      <File FileName="PrintLevelWizard.cs" Line="392" Column="40" />
     </Files>
   </MonoDevelop.Ide.Workbench>
   <MonoDevelop.Ide.DebuggingService.Breakpoints>
diff --git a/PrintLevelWizard.cs b/PrintLevelWizard.cs
index 32a104c6f..8aa447cbf 100644
--- a/PrintLevelWizard.cs
+++ b/PrintLevelWizard.cs
@@ -386,6 +386,10 @@ namespace MatterHackers.MatterControl
         }
 
         void DoneButton_Click(object sender, MouseEventArgs mouseEvent)
+		{
+			UiThread.RunOnIdle (DoDoneButton_Click);
+		}
+		void DoDoneButton_Click(object state)
         {
             Close();
         }