

If you have installed the Flash plugin but it does not appear in the Add-ons Manager, open about:config and make sure that the preference has not been set to "false" (if it has, right-click on it and select Reset to set it back to "true"). Note: On Windows, the Flash plugin is detected via plugin scanning. If the Flash plugin is disabled, click the "Enable" button to enable the plugin.

6.5 No audio when Flash video originates from an external site.6.4 Performance or display issues with certain Flash videos.6.3 Flash player not working on certain websites.6.2.2 Disabling Protected Mode in Flash 11.3.6.2.1 Flash Player 11.3 Protected Mode - Windows.6.2 Flash Protected Mode issues on Windows Vista and above.4.2.1 Uninstall using Windows Control Panel.
