Type '''about:addons'''<Enter> in the address bar to open your Add-ons Manager. Hot key; '''<Control>''(Mac:<Command>)''<Shift> A)''' On the left side of the page, select '''Plugins.''' Make sure the plugins you want to use are set to '''Always''' or '''Ask.''' ---------------------- Go to the web page. Once the page is loading, mouse to the address bar and '''Left''' click the icon. A window for displaying site information should come up. Select '''More Information.''' Now select '''Permissions.''' In the menu, find and check the plugins, make sure they are set properly.