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NS_E_WMPCORE_PLAYLIST_EMPTY_NESTED_PLAYLIST_SKIPPED_ITEMS
The exact condition behind the dialog
The symbolic result NS_E_WMPCORE_PLAYLIST_EMPTY_NESTED_PLAYLIST_SKIPPED_ITEMS narrows 0xC00D10B6 to the playback core playlist empty nested playlist skipped items condition: a nested playlist yields no playable items after invalid or unsupported children are skipped. Keep the playback core playlist empty nested playlist skipped items boundary visible when a later dialog reduces it to a general media error.
An additional test is to record nesting depth, child URLs, skipped-item reasons and final expanded item count; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
What succeeds before this failure
Representative case: The outer playlist is valid, but every item contributed by a nested list is skipped during expansion. The example isolates only the producing component.
State worth preserving
Capture state before Player cleanup:
- Decisive check: record nesting depth, child URLs, skipped-item reasons and final expanded item count.
- Artifact: repeat/event boundary and the media object expected at its start or end.
- State: playlist URL, format, response content type and exact downloaded bytes.
- Object identity: ASX version and element stack at the failure.
- Underlying evidence: resolved base URL for REF or ENTRYREF targets.
- Correlation: current item index, alternate index and nested-playlist depth.
Log paths, hashes, IDs, offsets, and HRESULTs. Exclude secrets and unrelated content from logs.
Reproduce without destroying evidence
- Start with the symbolic value this result; do not diagnose the failure 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- Exclude a stale callback or superseded object generation as the source of this event.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: record nesting depth, child URLs, skipped-item reasons and final expanded item count.
- Apply the smallest supported remedy for this condition: repair the nested child items or flatten only after preserving the failed expansion evidence.
Related HRESULTs, different boundaries
| Result | Different boundary |
|---|---|
NS_E_WMPCORE_NO_PLAYABLE_MEDIA_IN_PLAYLIST | The playlist parsed, but every item failed availability, format, rights or graph checks |
NS_E_WMPCORE_MEDIA_CHILD_PLAYLIST_UNAVAILABLE | The playlist manager cannot satisfy the playback core media child playlist unavailable structural or runtime condition |
NS_E_WMPCORE_WMX_ENTRYREF_NO_REF | An ENTRYREF element was parsed without its required HREF 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
The targeted correction for this condition is to repair the nested child items or flatten only after preserving the failed expansion evidence. Keep the original failing input until the same operation succeeds after one controlled change.
- Avoid flattening or rewriting a playlist before preserving the failing nesting and base-URL rules; it can destroy the artifact or state needed to explain this result.
- Avoid assuming every unplayable item means the playlist parser itself failed; that can replace the original HRESULT with a secondary failure from another layer.
How to know the repair is real
Practical interpretation
Use this result, 0xC00D10B6 and the symbolic phrase in traces. Correlate search keys with API and object.
Technical references
- Windows Media metafile reference — documentation used to identify the producing boundary of it.
- Metafile elements reference — normative or platform material relevant to it.
- ENTRYREF element — API or format context for this HRESULT.
- REPEAT element It.
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