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NS_E_WMP_INVALID_MAX_VAL
Meaning at the producing boundary
The symbolic result NS_E_WMP_INVALID_MAX_VAL narrows 0xC00D1009 to the invalid max val condition: a control declares Max below its Min value. Keep the invalid max val boundary visible when a later dialog reduces it to a general media error.
An additional test is to record control ID and parsed Min/Max values before defaults or script changes; that evidence is more useful than reinstalling the Player or changing several unrelated settings at once.
State worth preserving
Capture state before Player cleanup:
- Decisive check: record control ID and parsed Min/Max values before defaults or script changes.
- Artifact: control type, object ID and parent/child relation.
- State: resource path, decoded dimensions and transparency/mapping attributes.
- Object identity: event name, first handler and any duplicate handler declaration.
- Underlying evidence: skin archive path, member list and selected. Wms definition.
- Correlation: THEME/version declaration and currentViewID.
Log paths, hashes, IDs, offsets, and HRESULTs. Exclude secrets and unrelated content from logs.
Reproduce without destroying evidence
- Preserve
0xC00D1009, the ErrorItem context and the object generation involved in the failing operation. - Compare the failing artifact with a known-good artifact that differs only in the suspected property.
- Separate acquisition, parsing, object construction, playback and persistence until the component that produced the failure is clear.
- Confirm the failure directly: record control ID and parsed Min/Max values before defaults or script changes.
- After you set a coherent range with Max greater than or equal to Min, recreate the owning WMP object and verify that the corrected generation completes.
What succeeds before this failure
Two rules frame this diagnosis. First, a skin package combines an XML definition with image and script resources; archive validity, schema validity and runtime object construction are separate checkpoints. Control properties such as image dimensions, minimum/maximum values and child-element support are evaluated after basic XML parsing succeeds.
Representative case: A slider range is reversed during localization or script initialization. The example isolates only the producing component.
Related HRESULTs, different boundaries
| Result | Different boundary |
|---|---|
NS_E_WMP_INVALID_MIN_VAL | A control declares Min above its Max value in Windows Media Player |
NS_E_WMP_CS_JPGPOSITIONIMAGE | The skin engine rejects the Player cs jpgpositionimage property, object or package state |
NS_E_WMP_RBC_JPGMAPPINGIMAGE | The skin engine rejects the Player rbc jpgmappingimage property, object or package state |
If this result is followed by a broader “cannot play,” “cannot load,” or “operation failed” result, preserve the earlier event. The later code can be a consequence from a wrapper, fallback item or UI layer rather than the producing failure.
Recovery at the right layer
Change the responsible precondition rather than masking the symptom: set a coherent range with Max greater than or equal to Min. A retry is meaningful only after that recorded condition changes.
- Avoid renaming arbitrary XML to. Wms or repacking a skin without preserving its relative resource paths; it can destroy the artifact or state needed to explain this result.
- Avoid editing several controls at once before identifying the first schema or construction failure; that can replace the original HRESULT with a secondary failure from another layer.
Practical interpretation
Use this result, 0xC00D1009 and the symbolic phrase in traces. Correlate search keys with API and object.
How to know the repair is real
Keep one fixture that reproduces 0xC00D1009 and one corrected fixture that changes only the identified precondition. This condition correction is complete when the intended operation succeeds without being replaced by a neighboring WMP HRESULT.
Technical references
- Windows Media Player skins — API or format context for this HRESULT.
- Skin definition file structure — documentation used to identify the producing boundary of this result.
- Skin definition XML structure — normative or platform material relevant to this result.
- Skin files and package contents
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