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NS_E_DRM_SECURE_STORE_NOT_FOUND
What NS_E_DRM_SECURE_STORE_NOT_FOUND means
NS_E_DRM_SECURE_STORE_NOT_FOUND is Windows Media DRM HRESULT 0xC00D274A. It means the DRM operation could not find the secure-store state it expected. Microsoft’s public message advises acquiring a license again, but that is a recovery hint rather than proof that the license server or network caused the failure.
What to check
- Record the first local-store API that returned
0xC00D274A, the content/license identifier, store generation, and the underlying file or access result if one exists. - Check whether the DRM store was removed, replaced, migrated from another machine, restored incompletely, or made inaccessible to the account running the application.
- Preserve the existing store before repair. Copying protected store files between machines or deleting them before capturing evidence can turn a recoverable state problem into permanent license loss.
Recovery
If the required local state is genuinely absent, use the supported license reacquisition or migration/restore path. If the store exists but cannot be opened, diagnose that access or integrity failure first rather than repeatedly contacting the license service.
Related HRESULTs
NS_E_DRM_CACHED_CONTENT_ERROR says a license cannot be found for the media file, while NS_E_DRM_LICENSE_STORE_ERROR identifies a broader local license-store failure. Keeping the exact code prevents those different repair paths from being mixed.
Technical references
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