Is it any of these ?

Remove Security Essentials 2010 (Uninstall Guide)
http://www.bleepingcomputer.com/virus-removal/remove-security-essentials-2010

Remove the Fake Microsoft Security Essentials Alert Trojan and AntiSpySafeguard
http://www.bleepingcomputer.com/virus-removal/remove-fake-microsoft-security-essentials-alert

Remove Internet Defender 2011 (Uninstall Guide)
http://www.bleepingcomputer.com/virus-removal/remove-internet-defender#keys

Remove Personal Internet Security 2011 (Uninstall Guide)
http://www.bleepingcomputer.com/virus-removal/remove-personal-internet-security-2011

The tool used in these guide ( Malwarebytes ) is free and will remove the bugs for free
read it all before you start