The DRM store on your computer may become corrupted if, for example, you change your computer's processor, move the hard disk on which music was initially downloaded, from one computer to another, or use products such as registry cleaners which may alter DRM settings in ways that cause corruption.
Corruption of the DRM store may cause the following errors to be thrown when you try to authorize your computer, purchase music, or perform other MSN Music related operations:
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There was a problem attempting to individualize your computer.
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The license to play the packaged media is invalid.
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Secure storage protection error. Restore your licenses from a previous backup and try again.
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Error code 105 in the Windows Media Player DRM Version test.
To fix this issue, you need to restore the DRM system to a clean state on the affected computer:
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Upgrade to the latest version of Windows Media Player.
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Close any Windows Internet Explorer and Windows Media Player windows that you have open.
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Check if you might have downloaded any protected music to this computer, from sources other than MSN Music (Licenses acquired from MSN Music cannot be backed up/restored. They can only be moved to other computers via authorization/de-authorization). If so, the licenses for those need to be backed up to a disk following the process mentioned below.
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Please be advised that if the backup fails due to the DRM store being corrupt beyond repair, you will lose their licenses acquired from non-MSN Music sites and will have to work with those vendors again to recover that music. Licenses from MSN Music are not lost or affected in any way by the backup/restore process.
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If you wish to proceed, follow the steps below:
In Windows Media Player, on the Tools menu click License Management.
Select an appropriate backup location and choose the option to Backup Now.
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If the DRM store is corrupted beyond repair, the backup operation might fail. In that case or if it is not possible to backup for some other reason, proceed to the next step.
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Please be advised that if the backup fails due to the DRM store being corrupt beyond repair, you will lose their licenses acquired from non-MSN Music sites and will have to work with those vendors again to recover that music. Licenses from MSN Music are not lost or affected in any way by the backup/restore process.
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Rename the DRM folder so that the corrupt version will not be used by Windows Media Player and a new DRM directory will be created on the next attempt to authorize for MSN Music.
Note that the DRM folder is a hidden system folder. You may have to:
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On the Tools menu click Folder Options, then click View, and then click Show hidden files and folders.
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Click to clear the Hide protected operating system files check box.
The typical location of the DRM folder is:
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In Windows XP and Microsoft Windows 2000: C:\Documents and Settings\All Users\DRM
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In Microsoft Windows 98 Second Edition: C:\Windows\All Users\DRM
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In Microsoft Windows Millennium Edition: C:\Windows\DRM
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Restore the backed up licenses (if backup was successful) in Windows Media Player by navigating to the Tools menu and clicking License Management. Note that this step requires a connection to the Internet.
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Sign in to your MSN Music account, de-authorize and re-authorize this computer for MSN Music.
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