

To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that. If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Once you get the pop-up, just select "'Start in Safe Mode" Or open the Help menu and click on the Restart with Add-ons Disabled.On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g.On Mac you can open Firefox 4.0+ in Safe Mode by holding the option key while starting Firefox.On Windows you can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.(If you're not using it, switch to the Default theme.) Safe Mode is a troubleshooting mode, which disables most add-ons. Try Firefox Safe Mode to see if the problem goes away.
