When things go beyond your control or become too buggy to fix your Mozilla Firefox browser then the best solution would be resetting it to the default factory state. This feature will help to fix many issues and also will keep a backup of your old data.
Your old profile of Firefox will be saved on your desktop in a folder named “OLD Firefox Data”.
Resetting your Firefox will create a new profile folder with your all old important data.
How to reset Mozilla Firefox Browser?
Just follow the simple steps mentioned below:
Click on Firefox > then Help> select Troubleshooting Information
This will open about:support page.
Or you can just go to the address bar and type ” about:support ” and hit enter.
Now one the top right of the page you can see on option Reset Firefox, click on that to reset your Firefox browser.
The following dialogue box will appear, click on Reset Firefox to continue.
Your bookmarks, passwords, cookies, browsing history, auto-fill web form information, personal dictionary, open windows, tabs groups and tabs will be saved.
While your download history, search engines, website-specific preferences, user styles, themes, security settings, download actions, social networking features, extensions and plugin settings, customized toolbar will be removed.
After resetting your Firefox browser the following dialogue will appear if you want to restore any of the previous windows or tabs which was kept open or you can start from a clean state.
I hope this will help to solve any bug or problem you might be facing related to Mozilla Firefox browser.