Windows Media or other plugins stopped working after Firefox update

Note: This article only applies to Windows.
Note: This article doesn't apply to your version of Firefox.

Some plugins that are no longer maintained, like the Windows Media plugin, have their files installed in a place that Firefox no longer supports. This causes the 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'll be careful, I promise!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 its value to true.
  4. Click the menu button New Fx Menu and then click ExitQuit Close 29 . When you restart Firefox the plugins will be enabled.

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