Article ID: 925705 - View products that this article applies to.
When you try use Microsoft Windows Media Player 11 to play a digital rights management (DRM)-protected media file or to obtain a new license for media content, the media may not play, or you cannot obtain a new license. Additionally, you may receive any one of the following error messages:
Error message 1
The licenses for your media files are corrupted. (Error code 0xC00D2754)
Error message 2
Windows Media Player 11 cannot play the file because the associated license is either corrupted or not valid. (Error code 0xC00D11D6)
Error message 3
The license to play the packaged media is invalid
Error message 4
C00D277F - Secure storage protection error. Restore your licenses from a previous backup and try again
This problem occurs because the DRM store on the computer is not valid or is damaged. This problem may occur for any one of the following reasons:
Note DRM systems, such as Microsoft Windows Product Activation, maintain an internal hardware ID. This ID is based on the hardware configuration that existed when Windows was installed or when Windows Media Player 11 was installed. If you change the computer processor or other devices, the hardware ID in the DRM system does not match the new computer configuration. When this occurs, DRM determines that a user has tried to move protected content to another computer. This behavior can also occur if DRM-protected storage in the Windows registry has been changed.
To resolve this problem, reset the DRM store on the computer. To do this, follow these steps:
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/891664/ )You may be unable to play protected content after your computer hardware changes
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