HRESULT 0xC00D11BC (NS_E_WMP_INVALID_LIBRARY

Status / error code:

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Description:

Windows Media Player cannot add the file to the library because the file format is not supported.%0

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NS_E_WMP_INVALID_PROTOCOL	NS_E_WMP_MMS_NOT_SUPPORTED

NS_E_WMP_INVALID_LIBRARY_ADD

Diagnosing NS_E_WMP_INVALID_LIBRARY_ADD in the Windows Media Player playback path

NS_E_WMP_INVALID_LIBRARY_ADD (0xC00D11BC) is returned when the requested item type is not accepted by the Windows Media Player library.

Diagnostic discriminator: Try one item whose type is known to be accepted by the Player library and the original failing item. If only the unsupported type fails, diagnose library-admission rules rather than playback codec availability.

Actions that obscure the cause

assuming a file playable through another application is automatically library-compatible.

Technical references

Supported protocols and file types
Using Windows Media in DirectShow
Working with codecs
DirectShow filters
Microsoft HRESULT registry

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