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NS_E_UNEXPECTED_MSAUDIO_ERROR
NS_E_UNEXPECTED_MSAUDIO_ERROR: the Microsoft audio codec returned an unexpected internal/configuration error after activation
NS_E_UNEXPECTED_MSAUDIO_ERROR (0xC00D0BBA) identifies a specific Windows Media/platform boundary: the Microsoft audio codec returned an unexpected internal/configuration error after activation. Keep this stage visible instead of collapsing it into a generic playback, network, or configuration failure.
Evidence to preserve
Capture codec version, profile parameters, negotiated raw/compressed formats, failing sample boundary, and any codec-specific diagnostic event.
Controlled verification
Retest the same input/profile with a supported codec build and minimal settings; a failure before codec creation is a different condition.
Technical references
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