Remove Avast as the default operating system and delete the Temporary Avast OSĭuring uninstalling, Avast creates a small operating system that it uses to uninstall files.

4 Ways to Remove and Uninstall Avast Completely 1. How can one get rid of all the antivirus residual files once and for all? We will give you some of the known ways in which you can complete the uninstallation of the antivirus and get rid of the pop-ups. Pop-ups of the antivirus can still be seen asking for upgrades and this annoys the users that thought that they had completed the uninstallation of Avast antivirus. Users have complained that these files seem to still make the antivirus active. Though your antivirus will no longer work, you will need to complete the uninstallation by removing residual files.Īvast has mostly uninstalled from the system, but it has left some files behind. Avast then proceed to completely uninstall, leaving behind the uninstaller and the registry keys and a few files. When the computer restarts, the Avast OS loads and opens windows in safe mode. Since Avast was the last operating system to install, it becomes the default OS. It will then force the user to reboot the computer in safe mode. Avast installs a mock operating system in order to complete the uninstallation.

How to restore avast deleted files