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NS_E_NEED_CORE_REFERENCE
Diagnosing NS_E_NEED_CORE_REFERENCE in Player settings or the playback graph
NS_E_NEED_CORE_REFERENCE (0xC00D10CC) is returned when an object-model method was invoked without a live reference to the owning Windows Media Player core object.
Separate Network-object configuration, graph capabilities, graphics presentation, stream selection and COM ownership before changing playback content. The relevant condition is an object-model method was invoked without a live reference to the owning Windows Media Player core object.
Reading the next state
| Retest outcome | Interpretation |
|---|---|
| A later HRESULT appears | The rejected condition — an object-model method was invoked without a live reference to the owning Windows Media Player core object — was cleared; diagnose the new code at its own layer. |
Actions that obscure the cause
- re-registering every media DLL before checking COM ownership.
Technical references
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