Windows XP and Earlier: Click on the Start Menu, click on All Programs, click on the Mozilla Firefox folder and click on Mozilla Firefox (Safe Mode). Windows Vista: Click on the Start Menu, click on All Programs, click on the Mozilla Firefox folder and click on Mozilla Firefox (Safe Mode). Firefox will automatically restart and your settings will be reset to defaults. In the confirmation dialogue box that follows, click Reset Firefox. In the Reset Firefox to its default state box, click Reset Firefox. In older versions of Firefox: Click Help in the menu bar, then select Troubleshooting Information. In newer versions of Firefox: Click the orange Firefox button, navigate to the Help menu, and select Troubleshooting Information. In older versions of Firefox: Click Help in the menu bar, then select Restart with Add-ons Disabled.įirefox will start with a Safe Mode dialogue box. In newer versions of Firefox: Click the orange Firefox button, navigate to the Help menu, and select Restart with Add-ons Disabled. To troubleshoot issues related to newer versions of Firefox, check out this Firefox Support Page for more info on how to start the browser in safe mode and refresh the browser. Resetting Firefox Using Safemode Newer Versions of Firefox

This document explains how to set Firefox back to its default settings.

Refresh mozilla firefox browser