Windows Media or other plugins stopped working after Firefox update

Revision Information
  • Revision id: 40689
  • Created:
  • Creator: Andrew
  • Comment: Added share article template.
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: feer56
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: Yes
  • Readied for localization:
  • Readied for localization by: feer56
Revision Source
Revision Content
Note: This article only applies to Windows.
Note: This article doesn't apply to your version of Firefox.

Firefox has changed where plugins have to install their files. This has caused plugins that are no longer maintained, like the Windows Media plugin, to stop working. We'll explain how to make these plugins work again.

Change a Firefox setting to turn these plugins back on

  1. In the address bar, type about:config and press EnterReturn.

    • The about:config "This might void your warranty!" warning page may appear. Click I accept the risk! to continue to the about:config page.
  2. Search for plugins.load_appdir_plugins
  3. Double-click plugins.load_appdir_plugins to change it's value to True.
  4. Click the menu button New Fx Menu and then click ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu , then click Exit. Click the Firefox menu at the top of the screen, then click Quit Firefox.Click the Firefox menu Fx57Menu , then click Quit.

    . When you restart Firefox the plugins will be enabled.