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| NS_E_DRM_ENCRYPT_ERROR | NS_E_DRM_LICENSE_INVALID_XML |
NS_E_DRM_DECRYPT_ERROR
The exact DRM condition
The surrounding protocol and store state
Evidence worth preserving
Capture the first occurrence before automatic retry, player teardown, store repair or license reacquisition changes the state, for this decrypt error result. The smallest useful record contains:
- Code-specific proof: record the exact API, object state, input identity and first lower-level result associated with decrypt error.
- Protected identity: ASF/DRM header bytes and declared version, when reproducing decrypt error.
- Operation state: KID, license ID and key-selection result, within the decrypt error workflow.
- Persistence or transport: algorithm, key length and coding object type, in the decrypt error path.
- Security context: signature or certificate validation status, while tracing decrypt error.
- Correlation point: first failing sample offset rather than only the player-level message, for the decrypt error boundary.
Related codes and the diagnostic split
| Result | Different boundary |
|---|---|
NS_E_DRM_ENCRYPT_ERROR | The encrypt error operation failed at its documented DRM boundary, in a decrypt error incident. |
NS_E_DRM_KEY_ERROR | The requested action cannot be performed because a problem occurred with the windows media digital rights management (drm) components on your computer, for this decrypt error result. |
NS_E_DRM_LICENSE_INVALID_XML | The license is corrupted, when reproducing decrypt error. acquire a new license, within the decrypt error workflow. |
Correcting the producing condition
Representative case: The application reaches the decrypt error path and receives this exact HRESULT before the higher-level media action can complete.
Actions that do not prove a fix
- Avoid assuming a codec reinstall can repair a malformed DRM header or a cryptographic key mismatch, in a decrypt error incident. That changes evidence without demonstrating why this result was produced.
Regression check
Code-specific operational note
Technical references
- Overview of Windows Media DRM — platform documentation used to distinguish it from adjacent results.
- DRM protection and license distribution — official Windows Media DRM context for this HRESULT.
- DRM versions — API and state rules relevant to this the boundary.
- Windows Media DRM error codes — platform documentation used to distinguish it from adjacent results.
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