Before you attempt to fix the problem would you see if the Windows keyboard shortcut of "Alt+SpaceBar" options to Maximize and to Restore (to normal window size) work. They should be exactly the same as using the Firefox buttons. More because you mentioned menu bar, than the specific problem with the windows buttons, I would take a look at the following to see if it fixes the problem in Firefox. * http://kb.mozillazine.org/Corrupt_localstore.rdf If resetting your toolbars does not fix the problem, I would next try exiting Firefox again and rebooting system , if you haven't already tried that. <br><small>Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it.</small> ---- I expect that you have an additional unrelated problems. Your searches through the location bar are being redirected through conduit.com for heavy targeted advertising (hijacked searches). I would expect you would want to stop that. Reset your keyword.URL in your about:config to the default. # type in '''about:config''' into the location bar (in a new tab) # if the warning message nonsense comes up ''uncheck'' the box '''before''' dismissing the dialog message # Filter on '''keyword''' then # right-click on '''keyword.URL''' and choose '''reset'''. #:Or choose "modify" then paste in the Google search engine string of your choice, such a for Google: #:http://www.google.com/search?ie=UTF-8&oe=UTF-8&q= Supplementary information * https://support.mozilla.com/kb/Searches+are+redirected+to+another+site * http://kb.mozillazine.org/Location_Bar_search * http://kb.mozillazine.org/Keyword.URL

-> [[Troubleshooting extensions and themes]] Check and tel if its working.