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NS_E_SHARING_VIOLATION
What this HRESULT means
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 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 conflict evidence. The following fields should identify the same object instance:
| Field | What to record |
|---|---|
| What to verify | identify the file, requested access/share flags and owning process/handle |
| Artifact identity | destination directory, temporary file and final rename/replace result for the access conflict reproduction |
| Runtime state | file attributes, owner, ACL and sharing handles for the sharing state reproduction |
| Owning object | bytes received/written, expected length and final hash for the sharing conflict reproduction |
| Lower-level result | original URL/path and final redirected or canonical location for the access conflict reproduction |
| Correlation | HTTP status/content type or local CreateFile-style access outcome for the sharing state reproduction |
A focused diagnostic sequence
- Preserve
0xC00D0FCF, the ErrorItem context and the object instance involved in sharing conflict. - Compare the failing access conflict 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 state is clear.
- After you close or coordinate the conflicting owner and repeat the same operation for access conflict, 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 state; 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 conflict, that can replace the original HRESULT with a secondary failure from another layer.
Why the symbolic name matters
| Result | Different condition |
|---|---|
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 access conflict event. In the case, the later code can be a consequence from a wrapper, fallback item or UI layer rather than the producing failure.
Technical references
- Supported protocols and file types — API or format context.
- File name extensions — documentation for 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.
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