


This product cleans any residual files left from the previous antivirus which might conflict with the windows defender.įor most users, this will be the key solution to why the defender isn’t working. We also recommend using PC Cleaner/Removal Tools, there are many free and paid versions of these types of software. Once the antivirus is completely gone from the pc, the defender will automatically take over as the default antivirus. Try uninstalling the antivirus and check windows security once again. When we install a third-party antivirus on a computer, it takes over as the resident malware-fighting software. If the defender still doesn’t work, move on to the next alternative.

We know it sounds like a generic solution but often, issues/ errors get fixed with a simple restart.Īs windows start each process once again, the process that created the error also gets restarted creating a high chance of the error not recurring. Start by Restarting the Deviceįor any kind of error or problem in windows, the first go-to step is to reboot the device. Please try one alternative at a time, check if the defender works and if it doesn’t move on to the next alternative.Īs the exact reason for the defender not working might differ from PC to PC, there is no alternative except trying a hit or miss approach. The solutions stated below are centered toward windows 10 and 11. Conflicts created by installed third party malware/antivirus software.Windows Defender turned off by Group Policy Editor.
