I think a screenshot might be useful. https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem To regain your toolbar, try a right-click in the title bar and look for a pop-up that offers you some toolbars. Alternatively (on Windows and Linux) alt or F10 will make the menu appear, where you can go to '''View|Toolbars''' and tick the checkboxes. I am afraid I can't offer any useful help if you're using OSX.