error since update to 12.13

[shadowfire36]

since i updated last week , i keep getting this error when i try to scroll thru my tools>manage>platforms 

 

this is the message i get and its reboots my pc, any suggestions 

 

 

Dispatcher processing has been suspended, but messages are still being processed.

App:     LaunchBox
Version: 12.13
Type:    System.InvalidOperationException
Site:    IntPtr WndProcHook(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
Source:  WindowsBase

   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Recent Log:

   11:06:21 PM Exception