How to reset settings in Mozilla Firefox

Why do you need resetting Mozilla Firefox settings?

Mozilla Firefox is the 2nd most popular browser and became so wide-spread because of support of extensions. Extensions are small additional modules, that can enhance standard Firefox functionality. Unfortunately, the last 3 years there is a serious increase in the number of adware extensions, search hijackers and redirect viruses. Antiviruses sometimes are able to remove core files of such threats, but settings of Mozilla Firefox remain unchanged. In order to restore your Firefox settings from malicious values, you can use SpyHunter 5 or Malwarebytes AntiMalware. This programs can remove every entry of adware and hijackers in most cases. Here are alternative methods to reset your browser settings.

Remove viruses, hijackers, adware, unwanted apps from your PC

Before we get to resetting browser settings, make sure you scan your device fro diverse viruses and other potentially unwanted apps. Always remember that there might be something sitting deeply in your computer that arises any problem related to Mozilla Firefox. Otherwise, resetting settings will not help you anyway. You can use a trusted malware removal software called SpyHunter 5, which is known to be very effective in detecting and suppressing unwanted stuff on your device. Offering a range of tools, it provides immediate malware removal, including system guard protection and other options you can capitalize on. You can download SpyHunter for Windows or Mac by clicking on the green button below.

Download SpyHunter 5 Download SpyHunter for Mac

Reset Firefox settings manually

  1. To reset Mozilla Firefox settings, open the browser and click on 3-bars icon in the top-right corner of the window. This will get you to the main menu. In this drop-down menu click on question mark icon on the bottom.

    mozilla firefox open help menu

  2. In opened sub-menu choose Troubleshooting information. Click on it. Alternatively, you can get here by typing about:support in the address bar.

    mozilla firefox troubleshooting information

  3. While in Troubleshooting information find Refresh Firefox… button to the right. Click on it.

    mozilla firefox refresh firefox

  4. Confirm that you agree to restore settings by clicking Refresh Firefox button in the opened window.

    confirm firefox settings reset


This is how you can reset your Mozilla Firefox settings manually. Generally, all of these steps are similarly executed in any browser you will use. Every browser tries to provide the same algorithm of steps so that you do not get baffled when migrating from one browser to another. As you know, people leaped even further and created so-called utilities that can do all of the cleaning processes automatically. This is why I highly-recommend you installing IObit Uninstaller utility on your computer that offers multiple options to keep your PC safe and clear. MacPaw is a leading company in the IT industry that offers both IObit Uninstaller for Windows and Combo Cleaner for Macintosh users. Below, you can find some previews and download button.

Download IObit Uninstaller Download Combo Cleaner