Windows media player plugin missing

Asked By 0 points N/A Posted on -

I have downloaded Firefox latest version 4.0.  When I  played a video on Facebook,  it gave an error that Window Media Player plugins were missing. I have downloaded the plugins but it still it was not working properly. How am I going to solve this problem?

Best Answer by Tina Raynold
Answered By 0 points N/A #113939

Windows media player plugin missing


Hi Jhon Clark!

It is good thing to have an alternate browser installed in a computer because if one browser crashed, an alternate is ready to use. New installation of a browser usually doesn't have plug-ins. Some can't play video. Some can't display the proper text and pictures on the page/screen. Plug-ins are needed to help browser be  compatible with the latest updates  webpages have. Visit this website to install Windows Media Player Plug-ins:

Solution 1

  1. Log-in using administrator.
  2. Install the software and Run it.
  3. Once installed, reboot your computer.

Solution 2

  1. Go to the website.  It will tell you what plug-ins are missing.
  2. A suggestion of what is needed to do will be shown in the screen .
  3. Follow the instruction if download/install is needed.

Hope this helps.

Best Answer
Best Answer
Answered By 0 points N/A #113940

Windows media player plugin missing


Hi Jhon!

Some websites are requiring Windows Media Player plugin. In Windows XP and earlier versions plug-ins are automatically detected. If you have Windows XP or Vista, they do not include standard plug-in. The plug-in file here is called np-mswmp.dll. If you are using Firefox 4.0 Beta, the Firefox installation directory does not include a plug-ins folder. You can manually create a new plug-ins folder within the Mozilla Firefox 4.0 program folder and copy np-mswmp.dll to the plug-ins folder which you created.

So, the problem even you installed new plug-ins was maybe caused by Firefox 4.0 Beta version.  If some files will be missing, you can download it from and place them in the Windows Media Player directory (usually C:Program FilesWindows Media Player).  If it is not working well, the problem might be with VLC plug-in file npvlc.dll. Remove it. It is usually located in your Mozilla browser: C:Program FilesMozilla Firefoxplugins).

Thank you.


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