I'd like to share an interesting application that allows to uninstall dozens of different antivirus programs from a computer system.
It can help for example in case you have to remove an antivirus applications in case of errors during removal or when you need to replace a security application with another .
The AppRemover program is a portable software , free for your personal, non-commercial, use.
Supported Operating Systems :
Windows 2000, 2003, XP (32 / 64 bit), Vista (32 / 64 bit), 2008, Windows 7 beta
Antivirus & Antispyware Applications removed : Support Charts
Link : AppRemover