invalidIUnknown managed debugging assistant (MDA) is activated when an invalid
IUnknown pointer is passed to managed code from native code. The
IUnknown fails to return success when queried for the
An unexpected error occurs when marshaling a COM interface pointer during argument marshaling.
QueryInterface implementation on the COM interface passed to the CLR.
This MDA has no effect on the CLR.
The description of the error.
<mdaConfig> <assistants> <invalidIUnknown /> </assistants> </mdaConfig>