Please add Antivirus Removal Tool. It is a program that scans the PC for any antivirus residue that you have failed to remove completely. It is portable software, without any installation, and which does its job perfectly well.
Download website - https://antivirus-removal-tool.com/ (https://antivirus-removal-tool.com/)
Does it apply only to antivirus programs?
Yes, it is (antivirus pre-installed when you buy a new PC, or antivirus that you want to uninstall to install another). It's the only thing it does and it does it well.
New version (V.3) available today.