You're logged in status is stored in special cookies. If those cookies are removed, you will need to login again. You may be in Private Browsing mode or told Firefox not to remember. Type '''about:preferences#privacy'''<enter> in the address bar. The button next to '''History, ''' select '''Use Custom Settings. ''' Turn off '''Always Use Private Browsing Mode''' Turn on '''Remember My Browsing And Download History''' At the bottom of the page, turn on '''Clear History When Firefox Closes. ''' At the far right, press the '''Settings''' button. Turn on ONLY '''Cache''' and '''Form And Search History''' leaving the others off.