CRITICAL SYSTEM ERROR ! SYSTEM detected virus activities, they may cause critical system failure,?

Please tell me solution of this mesg. this mesg. appearing after 2 min. in windows xp desktop beside the Time. I have used many anti virus, and registry cleaner, anti malware, anti spyware, but this message not going. if i click this message then open a antispyware web site. please help me.. i am very confused, t will be very thankful to any body who give me proper solution.

CRITICAL SYSTEM ERROR ! SYSTEM detected virus activities, they may cause critical system failure,Please use antimalware software to clean and protect system from parasite program. click here to get available software

CRITICAL SYSTEM ERROR ! SYSTEM detected virus activities, they may cause critical system failure,?husqvarna

Neither answer so far is correct. You have a Smitfraud infection. It can be removed for free using the tool SmitfraudFix. Removal tool , information, and removal procedure are here:

http://siri.urz.free.fr/Fix/SmitfraudFix...

http://siri.urz.free.fr/Fix/ScreenShot.p...

I believe you have the SpywareQuake variant of this infection.

Good luck.

CRITICAL SYSTEM ERROR ! SYSTEM detected virus activities, they may cause critical system failure,?microsoft office

Thank you very much Friend i feeling very relief you send me very best solution, i give you 5 star, and thanks all bodys who suggest me alternate of this problem, but my problem have solved from this answer, thanks again dear. Report It