Do a clean uninstall of your Firefox follow the instructions
This article shows you how to uninstall Firefox for different OS. If you need uninstall or reinstall Firefox,please follow the steps below.
Firefox has the following great features, we recommend you try it again:
- Password Manager
- One-Click Bookmarking
- Improved Performance
- Smart Location Bar
- Instant Web Site ID
- Full Zoom
- Platform-Native Look & Feel
If you still do not need Firefox, please do the uninstallation follow the instruction:
Uninstall Firefox
To uninstall Firefox on Windows, follow these steps:
1. Exit Firefox. From the menu at the top of the Firefox window, select File and then select the Exit menu item.
2. From the Start Menu in the Windows taskbar, select Control Panel. The Control Panel opens.

3. Open the Windows program listing.
* (Windows Vista) Click Uninstall a program.
* (Windows 2000/XP) Double-click Add or Remove Programs.
4.From the list of currently installed programs, select Mozilla Firefox
5. Click Remove

6.To remove added plugins or other files and folders that may not be removed by the uninstall you must manually delete the Firefox installation folder, which is located here by default: C:\Program files\Mozilla Firefox