If you no longer want to use the Avast and want to uninstall Avast antivirus from Windows 11/10, here is how you can do that. There are four different methods you can use to uninstall Avast ...

An old Avast Anti-Rootkit driver ... And if you find kill-floor.exe on your PC or see ntfs.bin in your C:\Users\Default\AppData\Local\Microsoft\Windows folder, your computer may have this malware.