I upgraded to Winform 2013.2 and changed my ribbon style to 2013 .. now I am seeing a new exception.

We have also moved to running our app on 2012R2 from 2008 not sure if that is related.

2013-12-11 12:37:16 PM : V1.0.0.617: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ComponentModel.Win32Exception: Error creating window handle.
   at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams cp)
   at System.Windows.Forms.Control.CreateHandle()
   at System.Windows.Forms.Form.CreateHandle()
   at System.Windows.Forms.Control.RecreateHandleCore()
   at System.Windows.Forms.Form.RecreateHandleCore()
   at System.Windows.Forms.Control.RecreateHandle()
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
   at Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.ForceRecreateHandle(Form control)
   at Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.OnThemeChanged(Object sender, EventArgs e)
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Delegate.DynamicInvokeImpl(Object[] args)
   at Infragistics.Win.WeakReferenceMulticastDelegate`1.WeakReferenceProxyEventHandler.OnEventFired(Object sender, EventArgsType e, Type delegateType)
   at Infragistics.Win.WeakReferenceMulticastDelegate`1.Invoke(Object sender, EventArgsType e)
   at Infragistics.Win.XPThemes.OnThemeChangeMessage(Object sender, EventArgs e)
   at Infragistics.Win.XPThemes.ThemeManagerWindow.OnThemeChanged(EventArgs e)
   at Infragistics.Win.XPThemes.ThemeManagerWindow.ThemeManagerNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)