What does HRESULT 0xC00D10C5 (NS_E_GRAPH_NOAUDIOLANGUAGE) mean?

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Description:

Cannot change the language settings. Either the graph has no audio or the audio only supports one language.%0

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NS_E_CHANGING_PROXY_PROTOCOL_NOT_FOUND	NS_E_GRAPH_NOAUDIOLANGUAGESELECTED

NS_E_GRAPH_NOAUDIOLANGUAGE

Diagnosing NS_E_GRAPH_NOAUDIOLANGUAGE in Player settings or the playback graph

NS_E_GRAPH_NOAUDIOLANGUAGE (0xC00D10C5) is returned when the active playback graph does not expose multiple selectable audio language streams.

Separate Network-object configuration, graph capabilities, graphics presentation, stream selection and COM ownership before changing playback content. In this case, the failure condition is the active playback graph does not expose multiple selectable audio language streams.

One-variable verification

Freeze the current object state and collect stream-select interfaces, audio stream count, language attributes, current media type and demultiplexer output pins.
Reproduce this result once without automatic retries or fallback applications.
Change only one precondition: open a known multi-audio test file and enumerate IAMStreamSelect entries before changing language.
Compare the first nested status and next Player event with the failed run.
After testing it, restore the original configuration if the change was diagnostic only.

Reading the next state

Retest outcome	Interpretation
A later HRESULT appears	The rejected condition — the active playback graph does not expose multiple selectable audio language streams — was cleared; diagnose the new code at its own layer.

Actions that obscure the cause

installing a language pack for Windows.

Technical references

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