Please explain the problem in detail&#46; What happens? What is/are the exact error message(s) ? In the address bar, type '''about:crashes'''<enter>&#46; '''Note: ''' If any reports do not have '''BP-''' in front of the numbers/letters, click it to submit them&#46; '''The crash report is several pages of data&#46; We ''' '''need the report numbers to see the whole report&#46; ''' Using your mouse, '''mark''' the '''most recent 7 - 10''' '''Submitted''' crash reports, and copy them&#46; Now go to the reply box and paste them in&#46; Please, '''Do not post a screenshot ! ! ''' ;[[Image:aboutcrashesFx57|width=500]] For more help on crash reports, see; https://support&#46;mozilla&#46;org/en-US/kb/firefox-crashes-asking-support +++++++++++++++++++++++++++ If you can't get Firefox to open, you will have to do this the hard way&#46; https://support&#46;mozilla&#46;org/en-US/kb/mozillacrashreporter Open the file browser / explorer on your computer&#46; '''Note: ''' You may have to enable '''Show Hidden ''' '''Folders / Files&#46; ''' Enter this in the address bar; '''Windows: ''' %APPDATA%\Mozilla\Firefox\Crash Reports\submitted '''Win 7/Vista: ''' C:\Users\'''<username>'''\AppData\Roaming\Mozilla\Firefox\Crash Reports\submitted '''Win XP/2000: ''' C:\Documents and Settings\'''<username>'''\Application Data\Mozilla\Firefox\Crash Reports\submitted '''Win 10: ''' Press <Windows> + R on the keyboard&#46; A Run dialog will open&#46; In the Run dialog, type %APPDATA%\Mozilla\Firefox\Crash Reports\submitted <Enter> '''Mac OS: ''' /Users/'''<username>'''/Library/Application Support/Firefox/Crash Reports/submitted '''Linux: ''' /home/'''<username>'''/&#46;mozilla/firefox/Crash Reports/submitted Copy the '''most Recent 5-7 File Names''' in the folder&#46; Press the '''Reply''' button&#46; Now go to the reply box and '''paste''' them in&#46;