You might notice the Avast OS option when starting your computer. The reason behind this is that you cannot uninstall the default operating system. After it is done, the operating system does not seem to uninstall itself after you restart your computer. 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. During the uninstall procedure, you will have to provide the signatures in order to complete the uninstallation.Īvast installs a mock operating system in order to complete the uninstallation. Antivirus files are protected by digital signatures that allow only the ‘trusted installer’ (in this case Avast) to edit them. However, uninstalling an antivirus is not as simple as uninstalling any other app. This launches the Avast uninstaller which then proceeds with the uninstallation. The correct procedure is to uninstall Avast from the program and features window. This prompts them to uninstall the Avast antivirus from their system. However, some people have found a better antivirus, or find that windows defender is quite reliable on its own. With the paid version, you get more features including web and email scanners among others. It provides regular updates to keep your security up to date. Avast develops one of the best antivirus software in the business.

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