Random (?) crashes (1 Viewer)

[Spragleknas]

Area: Media Portal Program
MP Version: 2.0RC4
Skin: Different - same result
Windows Version: XP-pro - All updated
CPU Type: AMD63 3000+ @ 2,3 GHz
Memory: 1 GB PC3200 - Geil Value
Motherboard Chipset: MSI Neo2 - nForce3 250GB
Video Card: R9600PRO
Video Card Driver: OmegaDriver - a couple of months old
Video Card Resolution: 1280x1024
Video Render Type: VMR9
Video Codec Type & Version: MPEG2DEC
Audio Codec Type & Version: nVidia
TV Card: PVR-350
TV Card Type: hardware
TV Card Driver: latest official
Optional Log:

05.05.2006 00:39:48 GUIWindow:OnWindowLoaded id:6 ex:Object of type 'MediaPortal.GUI.Library.GUIFadeLabel' cannot be converted to type 'MediaPortal.GUI.Library.GUIImage'.    at System.RuntimeType.CheckValue(Object value, Binder binder, CultureInfo culture, BindingFlags invokeAttr)
   at System.Reflection.RtFieldInfo.InternalSetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture, Boolean doVisibilityCheck, Boolean doCheckConsistency)
   at System.Reflection.RtFieldInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
   at MediaPortal.GUI.Library.GUIWindow.OnWindowLoaded() MediaPortal.GUI.Video.GUIVideoOverlay
05.05.2006 00:39:52 GUIWindow:OnWindowLoaded id:13 ex:Object of type 'MediaPortal.GUI.Library.GUIFadeLabel' cannot be converted to type 'MediaPortal.GUI.Library.GUIButtonControl'.    at System.RuntimeType.CheckValue(Object value, Binder binder, CultureInfo culture, BindingFlags invokeAttr)
   at System.Reflection.RtFieldInfo.InternalSetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture, Boolean doVisibilityCheck, Boolean doCheckConsistency)
   at System.Reflection.RtFieldInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
   at MediaPortal.GUI.Library.GUIWindow.OnWindowLoaded() MediaPortal.GUI.TV.GUITVHome
05.05.2006 00:39:54 OnMessage exception:System.NullReferenceException: Object reference not set to an instance of an object.
   at MediaPortal.GUI.TV.GUITVHome.OnPageLoad()
   at MediaPortal.GUI.Library.GUIWindow.OnMessage(GUIMessage message)

Synopsis: MP crashes and disapears - taskbar is not viseble afterwards