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NS_E_SHARING_VIOLATION
Meaning at the producing boundary
0xC00D0FCF maps to NS_E_SHARING_VIOLATION. Its actionable interpretation is another handle’s sharing mode prevents the required WMP file access, within WMP file download, save and package persistence; the producing mechanism is the boundary where the Player resolves a path or URL, opens a source or destination, downloads or serializes content and commits the resulting playlist, skin or media-related file.
The generated part of the What Is page already shows the standard AllStat description for this HRESULT. The additional test for the sharing violation condition is to identify the file, requested access/share flags and owning process/handle; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
Evidence to capture before retry
Preserve the first occurrence before retry or fallback changes the sharing violation evidence. The following fields should identify the same object generation:
| Field | What to record |
|---|---|
| Decisive check | identify the file, requested access/share flags and owning process/handle |
| Artifact identity | destination directory, temporary file and final rename/replace result for the sharing violation reproduction |
| Runtime state | file attributes, owner, ACL and sharing handles for the sharing violation reproduction |
| Owning object | bytes received/written, expected length and final hash for the sharing violation reproduction |
| Lower-level result | original URL/path and final redirected or canonical location for the sharing violation reproduction |
| Correlation | HTTP status/content type or local CreateFile-style access outcome for the sharing violation reproduction |
How this layer works
A focused diagnostic sequence
- Preserve
0xC00D0FCF, the ErrorItem context and the object generation involved in sharing violation. - Compare the failing sharing violation artifact with a known-good artifact that differs only in the suspected property.
- Separate acquisition, parsing, object construction, playback and persistence until the owner of sharing violation is clear.
- Confirm sharing violation directly: identify the file, requested access/share flags and owning process/handle.
- After you close or coordinate the conflicting owner and repeat the same operation for sharing violation, recreate the owning WMP object and verify that the corrected generation completes.
Correct the producing condition
- Avoid retrying save under a new name without recording the failing destination and access mode while investigating sharing violation; it can destroy the artifact or state needed to explain this result.
- Avoid treating a downloaded error page as a valid playlist, skin or media package; for sharing violation, that can replace the original HRESULT with a secondary failure from another layer.
Why the symbolic name matters
| Result | Different boundary |
|---|---|
NS_E_FILE_FAILED_CHECKS | the file fails the Player library admission checks before it can be added |
NS_E_DAMAGED_FILE | the media parser identifies structural corruption in a file selected for use |
NS_E_WMP_RECORDING_NOT_ALLOWED | the selected content rights do not permit the requested recording or burn action |
If this result is followed by a broader “cannot play,” “cannot load,” or “operation failed” result, preserve the earlier sharing violation event. In the case, the later code can be a consequence from a wrapper, fallback item or UI layer rather than the producing failure.
What to search for in traces
Regression check
Technical references
- Supported protocols and file types — API or format context for this HRESULT.
- File name extensions — documentation used to identify the producing boundary of this result.
- Windows Media Player SDK — normative or platform material relevant to this result.
- Error handling in the WMP object model — API or format context for this HRESULT.
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