Click ⋮ to the right of the site’s name. Click Remove in the drop-down menu.

Enter about:config into the Firefox URL bar. Click I accept the risk!. Type javascript. enabled into the search bar below the URL bar. Make sure the “Value” section of the javascript. enabled item says “False”. If it says “true”, JavaScript is enabled. Delete and reinstall Firefox. Double-click javascript. enabled. Restart Firefox.

If it says “true”, JavaScript is enabled. Delete and reinstall Firefox.

Double-click User Configuration. Double-click Administrative Templates. Double-click Windows Components. Double-click Microsoft Edge.