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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.
State worth preserving
Capture state before Player cleanup:
- What to verify: record nesting depth, child URLs, skipped-item reasons and final expanded item count.
- Artifact: repeat/event state 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.
Reproduce without destroying evidence
- 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 with different meanings
| Result | Different condition |
|---|---|
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 |
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.
Technical references
- Windows Media metafile reference — documentation for this HRESULT.
- Metafile elements reference — normative or platform material relevant to this HRESULT.
- ENTRYREF element — API or format context.
- REPEAT element
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