I guess that means you updated from 3.6.* because Firefox 4 through 7 are are the same see item #4 and item #5 in You can make '''Firefox 7.0.1''' 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 8.0, 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 ---- Back/Forward Home don't work in 7.0.1 due to '''network.http.max-connection'''s being upped to 256, reduce back down to 32. *https://support.mozilla.com/questions/889087 Back button problems -- right-click on tab for tab history, or hold a couple of seconds for tab history, or install an extension * "'''Back/forward dropmarker'''" Extension<br>https://addons.mozilla.org/firefox/addon/backforward-dropmarker/ Extensions that may '''interfere with Back Button''', and these are already listed in [http://kb.mozillazine.org/Problematic_extensions Problematic extensions] for other reasons -- Q805964 *McAfee Site Advisor (update perhaps 3rd week July 2011) *Yahoo Toolbar (https://support.mozilla.com/questions/845691)