If you decide to remove your antivirus, you should definitely consider switching to a new antivirus solution. Many users reported issues with Norton antivirus, but after removing it, the problem was completely resolved.

Several users reported that disabling the Active Protection feature fixed the problem for them, so you might want to try that.Īs a last solution, you might have to uninstall your antivirus in order to fix the problem. In addition to extensions, you might want to check your antivirus settings and see if modifying them fixes the problem. These extensions aren’t mandatory, so you can disable or remove them without fear. If Firefox is running slow, be sure to remove any extensions that are installed by your antivirus. Many antivirus tools also tend to install various extensions in order to offer extra protection, but they often slow down your browser. Such software is a necessity, but sometimes it can interfere with your web browser and cause slowdowns. If Firefox is slow on your Windows 10 PC, the problem might be your antivirus. Home › Browsers › Firefox › Browser is too slow