Myoffice compaq Pentium 4 Pc with XP service pack2 becoming very slower booting in this couple of weeks.i notice that a no entry icon with ? mark always flashing near the task bar with a warning display message as below.
"Virus Alert" -Your computer is infected,Critical system error, syetem detected virus activities and they may cause critical system failure.Please use anti malware software to clean and protect your system from parasite programs, click here to get all avaible software."
mY PC installed with Tren Micro Office Scan antivirus software and and always i update and always scan for virus.This pc is using networking. How to clean my pc with this problem?