Windows Media or other plugins stopped working after Firefox update

This article is no longer maintained, so its content might be out of date.

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Some plugins that are no longer maintained, like the Windows Media plugin, have their files installed in a place that Firefox no longer supports.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. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click I accept the risk!Accept the Risk and Continue 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 Firefox menu Fx57Menu and select Exit.Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu Fx57Menu and select Quit. When you restart Firefox the plugins will be enabled.

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