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Thread: WMP11: Library will not load, corrupt registry key?

  1. #1
    Simon Coles Guest

    WMP11: Library will not load, corrupt registry key?

    I have Vista Ultimate, with several user accounts configured.

    For one of the accounts, WMP will no longer load the media library.
    Folders added to the library through the 'Add to Library' dialog are not
    retained (re-opening the dialog shows no folders being monitored).

    If I select 'Media Sharing...' from the Library drop down I get the message
    "Media sharing has been turned off because a required Windows setting or
    component has changed. For additional assistance, click Web Help."

    Following the instructions on the Web Help page

    1. WMP Network Sharing service is running OK
    2. Ownership of WMP database folder is OK
    3. Looking in the registry under
    HKLM\Software\Microsoft\MediaPlayer\Preferences\HME, I find a key that I
    cannot change the permissions of, delete or add keys to.

    The message I get when I select the key is "{key} cannot be opened. An
    error is preventing this key from being opened. Details: Access is denied."

    If I export the HME key and sub-keys, the problem key does not appear in the
    ..reg file.

    I am doing this under an admistrator account. I can assess other keys (for
    different user accounts) under HME without problems.

    Do I have a corrupt WMP registry key? If so, what can I do to resolve this?
    I cannot find any method of repairing WMP.


  2. #2
    Keith Miller MVP Guest

    Re: WMP11: Library will not load, corrupt registry key?

    Can you right-click the key after the error message?

  3. #3
    Simon Coles Guest

    Re: WMP11: Library will not load, corrupt registry key?

    Keith - thanks for responding. Yes I can right click the key after the error

    Looks like I have resolved it - the key seemed to have become disassociated
    from a user account. When I opened the permissions dialog (following an
    error message about not be able to view permissions, but being allowed to add
    them) the key did not have an owner. I was able to reset the owner to the
    admin account and could then see the values set for the key.

    I decided the reset the media player library for all the user accounts in
    case corruption of that was causing problems:

    * closed Media Player
    * stopped the WMP Network Sharing service
    * Renamed the folder <Account>\AppData\Local\Microsoft\Media Player for each
    user account
    * Deleted the registry keys under HKLM\Software\Microsoft\Media
    * restarted the service
    * logged into each user account and reopened Media Player

    The library rebuilt successfully for everyone & I can now share media to
    other devices.


  4. #4
    Donald McDaniel Guest

    Re: WMP11: Library will not load, corrupt registry key?

    My Library keeps appearing and disappearing from time to time, for some
    reason. I have no idea why, nor do I know how to fix it.

    The last time it reappeared was as few minutes ago. I had just applied a new
    skin (Raptor), and my missing Library appeared when I returned to Full Mode.

    I'm getting no errors from WMP11.

    Anyway, it's working now, so until someone can tell me they had the same
    problem and found a fix, I will just be glad its working this morning.

  5. #5
    Join Date
    Jun 2008

    WMP 11 will not load - wrong version

    Running Vista Home Premium + SP1. Have just found today that WMP will not run. It worked ok yesterday & have not had any MS updates.

    I get message that version number is 11.0.6001.7000 when 11.0.5721.5145 was expected. When I follow instructions to re-install, I find that "latest" install downloaded from MS site is earlier than current version & cannot run!

    Any suggestions?

  6. #6
    Cal Bear '66 Guest

    Re: WMP11: Library will not load, corrupt registry key?

    From zachd (a Microsoft employee):

    In the Start Search box above the Start Orb, type cmd .

    When cmd.exe appears at the top of the Start Menu, right click on it and select
    "Run as Administrator".

    In the Administrative Command Window, type:

    unregmp2.exe /UpdateWMPVersion

    and press Enter.

    Restart your computer.

    I Bleed Blue and Gold

  7. #7
    Join Date
    Jun 2008
    Thanks Cal Bear. In fact I had already got it working by deleting keys in:
    HKLM\Software\Microsoft\MediaPlayer\Setup\Installed Versions

    I guess your more elegant method puts the correct ones back again. Will try that anyway. Beats working out the hex code to manually correct.

    Many Thanks - Richard

  8. #8
    Cal Bear '66 Guest

    Re: WMP11: Library will not load, corrupt registry key?

    You're welcome.

    [Thanks really to zachd.(MSFT)]

    Good to hear you got it working.

    Hex code? -- I'm impressed!

  9. #9
    zachd [MSFT] Guest

    Re: WMP11: Library will not load, corrupt registry key?

    What did you do to your system? Your system thought that you had the XP
    version installed. This would be very bad. Somebody corrupted your
    registry here. =\

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