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NS_E_WMP_HME_STALEREQUEST
Where the Player stopped
NS_E_WMP_HME_STALEREQUEST is HRESULT 0xC00D0FC2. At the HME stale request checkpoint it means the HME request belongs to an older library or navigation state; the result belongs to the Windows Media Player library and media database, not to an unspecified Player failure.
An additional test is to correlate request ID, container generation and the state-changing request that superseded it; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
How to prove the condition
- Start with the symbolic value this result; do not diagnose HME stale request from the final dialog alone.
- Record the bytes or object state that produced this condition before automatic recovery mutates it.
- Exclude a stale callback or superseded object generation as the source of this event.
- Use this deciding observation for this condition: correlate request ID, container generation and the state-changing request that superseded it.
- Apply the smallest supported remedy for this condition: discard the stale response/request and issue a new operation against current state.
Minimum useful incident record
Capture state before Player cleanup:
- Decisive check: correlate request ID, container generation and the state-changing request that superseded it.
- Artifact: canonical local/UNC/URL path and file identity.
- State: media object ID or HME container/item ID.
- Object identity: scan/search generation and the request that superseded it.
- Underlying evidence: first library or file-system HRESULT before the Player-level summary.
- Correlation: library type, database identity and user profile owning the operation.
Log paths, hashes, IDs, offsets, and HRESULTs. Exclude secrets and unrelated content from logs.
Why the producing component matters
Before changing state, remember that adding an item to the library does not move the underlying file, and a library row can survive after its path or shared object becomes unavailable. A second platform rule is that a scan, search or Home Media Experience request is stateful, so stale identifiers and overlapping operations must be separated from file-format failures.
Representative case: A delayed search result arrives after the user navigates to another shared container. The example isolates only the producing component.
A narrow remediation path
The targeted correction for this condition is to discard the stale response/request and issue a new operation against current state. Keep the original failing input until the same operation succeeds after one controlled change.
- Avoid deleting the entire media database before exporting the failing object IDs and paths; it can destroy the artifact or state needed to explain this result.
- Avoid assuming a successful file open proves that the library record and sharing view are current; that can replace the original HRESULT with a secondary failure from another layer.
Neighboring codes to separate
| Result | Different boundary |
|---|---|
NS_E_WMP_HME_NOTSEARCHABLEFORITEMS | The selected HME container does not advertise item-search capability |
NS_E_WMP_HME_INVALIDOBJECTID | The Home Media Experience object identifier no longer resolves in the current shared-library view |
NS_E_WMP_FILESCANALREADYSTARTED | A library file-scan generation is already active |
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.
Completion criteria
After correction, create a fresh Player, control, parser or playlist object and rerun the smallest reproducer for it. Verify the resulting resource, list membership, saved file, library object or play state.
A representative failure pattern
Use this result, 0xC00D0FC2 and the symbolic phrase in traces. Correlate search keys with API and object.
Technical references
- Accessing the library programmatically — documentation used to identify the producing boundary of it.
- MediaCollection object — normative or platform material relevant to it.
- MediaCollection. Add method — API or format context for it.
- Error handling in the WMP object model It.
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