The same security software that we use to protect our computers can be more troublesome than a virus when the time comes to uninstalling the software. Security software products are very comprehensive in design; and as a result often require special uninstallers to fully remove them from your computer. I encourage you to visit TCAT Shelbyville to get to one of the most comprehensive lists (by ESET) I have seen to help you uninstall anti-virus software. I cannot emphasize this enough. If you decide to remove any anti-virus or anti-malware software from your computer, ALWAYS CHECK WITH THE SOFTWARE DEVELOPER, to determine if there are any special utilities to remove the software. Also, on the ESET site, you will also find a link listing malware removal tools that may be helpful in the event you suspect a malware infection.
Anti-Virus Uninstall Tools