How to Reset Firefox to Default Settings

April 2017

If your Firefox browser is unresponsive or experiencing random crashes, it may be necessary to completely reset your internet browser to its default settings.

How to Reset Firefox to its Default State


Click on the Menu option, and select the blue Help icon located at the bottom of the page:

Select the menu option that reads Restart with Add-ons Disabled:

A small menu will appear, asking you if you would like to Start in Safe Mode or Reset Firefox. Click on the Reset Firefox option:

Follow the onscreen procedure to restore your Firefox to its original settings:

For the other versions of Firefox:

Windows XP:

Click on Start, and Run. Enter the following command:
firefox -safe-mode

Windows 7 and Vista:

Click on the Start button, and enter the following command in the Search field:
firefox.exe -safe-mode

Linux:

Open Terminal and type:

/path/to/firefox/firefox -safe-mode

Mac OS:

Open Terminal and type the below command:

/Applications/Firefox.app/Contents/MacOS/firefox -safe-mode

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Published by deri58. Latest update on September 24, 2015 at 10:14 AM by ChristinaCCM.
This document, titled "How to Reset Firefox to Default Settings," is available under the Creative Commons license. Any copy, reuse, or modification of the content should be sufficiently credited to CCM (ccm.net).