When replacing one security application with another
When competing security applications tie up your computer
When the application's built-in uninstall process fails
When you want to remove public file sharing applications
"AppRemover will find and uninstall any security applications on your system, such as virus protection programs and spybot removers. Sometimes antivirus programs do not uninstall completely, so if you're replacing one security application with another, AppRemover can help you remove the old program so you can start fresh with the new one. This free program works well and installs and uninstalls with no problems. It is useful for ensuring that there are no remnants of old and outdated security software lurking in your PC."