Verified answer

After removing the virus, install crap cleaner (ccleaner) to get rid of the

viruses left over setting in the windows registry.

http://www.softpedia.com/get/Security/Secure-clean...

AntivirusXP2008 (or Antivirus XP 2008, AntiVirXP08, AntivirusXP 2008, Antivirus2008XP) is a new rogue antispyware program. AntivirusXP2008 rogue antispyware (or you can call it XPAntivirus2008) is a latest clone of Xp Antivirus, Antivirus2009, XPAntivirus2008, Antivirus2008, Antivirus 2008 rogue programs. Antivirus XP 2008, or Xp Antivirus, uses fake warning popups, fake security alerts to scare and trick user into buying a "full" version of AntivirusXP2008. Users can get AntivirusXP2008 infection from a Trojan (usually it can be Trojan Zlob) or fake video codec’s. AntivirusXP2008 will launch every time when user starts up Windows and it is going to generate million of annoying popups that are very difficult to close. Users should delete AntivirusXP2008 as soon as possible from their computer system to prevent damage to their privacy or data!

http://www.pcthreat.com/parasitebyid-6953en.html

You could try and use a rollback.

Click start, programs, accessories, system then system restore and restore windows to a previous date. Then try remove the virus (if it comes back) with a different tool.

because antivirus xp is MALWARE

http://ca.com/us/securityadvisor/pest/pest.aspx?id...

http://research.sunbelt-software.com/threatdisplay...

remove it by googling "antivirus xp removal"