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NS_E_WMP_INVALID_REQUEST
Diagnosing NS_E_WMP_INVALID_REQUEST in the Windows Media Player playback path
NS_E_WMP_INVALID_REQUEST (0xC00D11D4) is returned when the requested Player method is not valid in the current playback or workflow state.
Diagnostic discriminator: Record the Player state immediately before the method call and the transition event that follows. The same method succeeding in the expected state isolates call ordering or state-machine misuse; an arbitrary delay does not.
Actions that obscure the cause
- adding arbitrary sleeps instead of observing state events.
Technical references
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