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NS_E_WMP_PROTOCOL_PROBLEM
Diagnosing NS_E_WMP_PROTOCOL_PROBLEM in the Windows Media Player playback path
NS_E_WMP_PROTOCOL_PROBLEM (0xC00D1194) is returned when the Player could not select or use a protocol path appropriate for the supplied URL.
Diagnostic discriminator: Capture the original URL scheme, selected protocol handler, and proxy configuration. A known-good URL over a supported protocol in the same environment separates protocol selection from media-format or codec issues.
Actions that obscure the cause
- changing the filename extension to influence network transport.
Technical references
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