Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Problem description

When you install a third-party product that registers its own version of the Wmp.dll file on a Windows Vista-based computer. Windows Media Player stops responding.


To have us fix this problem for you, go to the “Fix it for me” section. If you prefer to fix this problem yourself, go to the “Let me fix it myself” section.

Fix it for me

To fix this problem automatically, click the Fix this problem link. Click Run in the File Download dialog box, and then follow the steps in this wizard.




Note This wizard is temporarily in English only. However, the automatic fix also works for other language versions of Windows.



Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or to a CD, and then you can run it on the computer that has the problem.

Next, go to the "Did this fix the problem?" section.

Let me fix it myself

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

322756 How to back up and restore the registry in Windows

To resolve this issue yourself, follow these steps:

  1. Log on as an administrator.

  2. Click Start, type cmd in the Start Search text box, right-click cmd.exe, click Run as administrator, and then click Continue.

  3. At the command prompt, type regsvr32 wmp.dll, and then click OK.

  4. Start Notepad.

  5. Paste the following text into Notepad:
    REGEDIT4

    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA71-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.WMZ"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA72-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.AIFF"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA73-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.AU"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA74-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.MIDI"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA76-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.MP3"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA77-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.MP3"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA78-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.M3U"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA7B-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.WAV"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA83-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.WAX"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA84-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.WMA"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA88-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.AVI"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA89-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.MPEG"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA8F-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.ASX"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA90-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.ASX"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA92-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.ASF"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA93-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.ASX"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA94-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.WMV"
    [HKEY_CLASSES_ROOT\CLSID\{CD3AFA95-B84F-48F0-9393-7EDC34128127}\ProgID]
    @="WMP11.AssocFile.WVX"
    [HKEY_CLASSES_ROOT\CLSID\{EE4DA6A4-8C52-4a63-BBB8-97C93D7E1B6C}\ProgID]
    @="WMP11.AssocFile.WMD"

  6. Save the file as VistaWMPFix.reg.

  7. Start Registry Editor.

  8. Click File, and then click Import.

  9. Select the VistaWMPFix.reg file that you created in step 6, and then click OK.

Did this fix the problem?

Check whether the problem is fixed by using Windows Media Player. If you can use Windows Media Player with no problems, you are finished with this article. If the problem is not fixed, you can contact support.

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×