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NS_E_WMPCORE_MEDIA_ERROR_RESUME_FAILED
Meaning at the producing boundary
The symbolic result NS_E_WMPCORE_MEDIA_ERROR_RESUME_FAILED narrows 0xC00D108F to the playback core media error resume failed condition: after an item error, the core could not resume with the next eligible playlist item. Keep the playback core media error resume failed boundary visible when a later dialog reduces it to a general media error.
An additional test is to record failing item, next-item selection and the second HRESULT from resume; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
What succeeds before this failure
Two rules frame this diagnosis. First, the URL, playlist item, selected source, graph and codec are distinct objects; a failure at one should not be diagnosed by replacing all of them at once. In this case, the Error and MediaError paths can queue several results, so the first specific HRESULT and its error context are more useful than the last dialog.
Representative case: Error recovery advances to an item whose graph also cannot initialize. The example isolates only the producing component.
State worth preserving
Capture state before Player cleanup:
- Decisive check: record failing item, next-item selection and the second HRESULT from resume.
- Artifact: selected graph/source/filter or codec identity and version.
- State: audio/video device identity and driver generation.
- Object identity: ordered ErrorItem queue with errorCode, errorContext and media object.
- Underlying evidence: Player.URL, current media sourceURL and resolved final URL.
- Correlation: play state and transition immediately before failure.
Log paths, hashes, IDs, offsets, and HRESULTs. Exclude secrets and unrelated content from logs.
Reproduce without destroying evidence
- Preserve
0xC00D108F, the ErrorItem context and the object generation involved in the failing operation. - Compare the failing artifact with a known-good artifact that differs only in the suspected property.
- Separate acquisition, parsing, object construction, playback and persistence until the component that produced the failure is clear.
- Confirm the failure directly: record failing item, next-item selection and the second HRESULT from resume.
- After you repair the next item/state or rebuild the playlist before resuming, recreate the owning WMP object and verify that the corrected generation completes.
Related HRESULTs, different boundaries
| Result | Different boundary |
|---|---|
NS_E_WMPCORE_WEBHELPFAILED | The Player could not open the Web Help target associated with an error or command |
NS_E_WMPCORE_GRAPH_NOT_IN_LIST | The requested preroll/playback graph is not present in the core’s current graph list |
NS_E_WMPCORE_UNRECOGNIZED_MEDIA_URL | The supplied media URL cannot be interpreted as a supported path/protocol target |
If this result is followed by a broader “cannot play,” “cannot load,” or “operation failed” result, preserve the earlier event. A later wrapper error may be secondary.
Recovery at the right layer
Change the responsible precondition rather than masking the symptom: repair the next item/state or rebuild the playlist before resuming. A retry is meaningful only after that recorded condition changes.
- Avoid installing broad codec packs before identifying the requested media subtype and missing component; it can destroy the artifact or state needed to explain this result.
- Avoid clearing the error queue or skipping to another playlist item before preserving the first failing media object; that can replace the original HRESULT with a secondary failure from another layer.
How to know the repair is real
Keep one fixture that reproduces 0xC00D108F and one corrected fixture that changes only the identified precondition. This condition correction is complete when the intended operation succeeds without being replaced by a neighboring WMP HRESULT.
Practical interpretation
Use this result, 0xC00D108F and the symbolic phrase in traces. Correlate search keys with API and object.
Technical references
- Windows Media Player SDK — API or format context for this HRESULT.
- Player MediaError event — documentation used to identify the producing boundary of this result.
- ErrorItem object — normative or platform material relevant to this result.
- Supported protocols and file types
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