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

Anti-virus programs are a cost-effective way to safeguard your computer. Many are free and ... Be cautious with urgent or warning messages, as they may come from rogue sources.

These alerts pop up on your computer screen, warning you of a virus that has infected your device. They also offer you a ...