Kurt "CyberGuy" Knutsson reveals the warning signs and steps to take if you suspect that your personal computer is infected with a virus.

A powerful new computer virus was today causing havoc with e-mail systems across the world. Experts described the virus, called Goner, as one of the fastest-spreading they had yet seen and warned ...

Computer viruses can slow down your devices, create a sea of pop-up ads and even erase or steal personal information. Antivirus software can defend your devices from threats and protect your data.