How to Fix Mozilla Firefox

1. Print or write these directions down before proceeding. Close down Firefox and click the Windows Start menu on the desktop.
2. Select "All Programs" and navigate to the "Mozilla Firefox" folder. Click "Mozilla Firefox (Safe Mode)" in the folder. This launches Mozilla Firefox Safe Mode. In Safe Mode, you can repair Firefox issues.
3. Select the areas you want to repair on the "Safe Mode" window. For example, select "Reset toolbars and controls" if you want to remove third-party toolbars. Select "Disable add-ons" if you want to disable plug-ins such as download managers.
4. Click the "Make Changes and Restart" button to repair the web browser. Restart your web browser normally after you complete the repair process.
5. Uninstall and reinstall Firefox if you are still having problems with it. To do so, go to the Mozilla Firefox download page and click "Free Download" (see Resources). When prompted, click "Save" and save the browser installation file on your desktop.
6. Click the Windows Start menu and click "Control Panel." Double-click "Add or Remove Programs" to launch the programs list if you are using Windows XP. For Windows Vista and 7 users, launch the programs list by clicking "Programs" and clicking "Programs and Features." Click "Firefox" and click "Remove/Uninstall" to remove the web browser from your computer.
7. Double-click the Firefox installation file you downloaded in Step 5 and click "Run" to reinstall the web browser on your computer.