If you are facing any major issues in Firefox and you are not able to fix that, there might be many reasons behind Firefox not working properly, crashing, slow down, instead of uninstall and install you can do one thing; just reset the Firefox, this will reset firefox as a default setting; the reset will keep cookies, browsing & download history, bookmarks and will delete extension, themes, plugins, etc. To reset Mozill Firefox follow these steps.
1. Open Firefox click on three lines and click on “?” than select “Troubleshooting Information”
2. Click on “Reset Firefox” and again click on “Reset”, and after this “Finish”, Firefox will create a “Old Firefox Data” folder on your desktop if you want you can restore them.
Reset will remove:
· Extensions and themes
· Plugins
· Customizations
· Website permissions
· Modified preferences
Reset will not remove
· Cookies
· Browsing History
· Download History
· Bookmarks
· Saved Form History
· Saved passwords
· Personal dictionary
· Open windows and tabs.
