Start '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Firefox in Safe Mode]''' {web Link} by holding down the '''<Shift ''(Mac Options)'' >''' key, and then starting Firefox. Is the problem still there? --------------- While still in Safe Mode; In the address bar, type '''about:crashes'''<enter>.''' Note:''' If any reports do not have '''BP''' in front of the numbers, click it and select '''Submit'''. Using your mouse, '''mark''' the most '''resent 7 - 10''' crash reports, and '''copy''' them. Now go to the reply box below and '''paste''' them in. If you can't get Firefox to open, you will have to do this the hard way. Open the file browser / explorer on your computer. Enter this; '''%APPDATA%\Mozilla\Firefox\Crash Reports\submitted''' Copy the last '''5-7 Recent File Names''' in the folder, including the date and time created. Post all the information in the reply box below.