One of the most annoying parts of the XNA framework is that the GameServiceContainer lacks generics. After working with Castle container, the XNA container seems ugly.
If .Net had mixins I would just add it myself but until then please vote for my feature request and here is a workaround.
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The stacktrace says it all.
System.Runtime.InteropServices.COMException (0x80070000): The operation completed successfully. (Exception from HRESULT: 0x80070000)
at MS.Internal.HRESULT.Check(Int32 hr)
at System.Windows.Media.SafeProfileHandle.ReleaseHandle()
at System.Runtime.InteropServices.SafeHandle.InternalFinalize()
at System.Runtime.InteropServices.SafeHandle.Dispose(Boolean disposing)
at System.Runtime.InteropServices.SafeHandle.Finalize()We made this go away by calling GC.WaitForPendingFinalizers() but this can cause deadlocks in WPF since some Finalize() methods use Dispatcher.Invoke().