''My back button, print, and address bar are missing'' Use "Alt" to make sure the menu bar is visible, then View > Toolbars > ... -- make sure that the Navigation bar is checkmarked, if tabs on top is confusing uncheck that, if you want to see menus and title bar make sure menu bar is check-marked. If things don't stay put on the toolbars then see http://kb.mozillazine.org/Corrupt_localstore.rdf You can make '''Firefox 6.0''' look like Firefox 3.6.*, see numbered '''items 1-10''' in the following topic [http://dmcritchie.mvps.org/firefox/firefox-problems.htm#fx4interface Fix Firefox 4.0 toolbar user interface, problems (Make Firefox 4.0 thru 6.0, look like 3.6)]. ''Whether or not you make changes, you should be aware of what has changed and what you have to do to use changed or missing features.'' * http://dmcritchie.mvps.org/firefox/firefox-problems.htm#fx4interface There is a lot more beyond those first 10 steps listed, if you want to make Firefox more functional. <br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small>