LaunchBox 11.17 Crashes Error

[computerwiz99]

LaunchBox crashes when I start it and I get this error.

 

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

App:     LaunchBox
Version: 11.17
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:

   7:45:39 PM Exception