What is a good free antivirus program i can download?

PC Tools AntiVirus Free Edition feature highlights

Protects your PC as you are working, surfing and playing

Detects, quarantines, disinfects and destroys Viruses, Trojans and Worms

OnGuard鈩?protects your computer against threats in real-time

Automatically checks for frequent updates against the latest threats.

http://www.pctools.com/free-antivirus/

AVG is a collection of anti-virus protection tools that gives you full protection against viruses, worms, Trojans and malware. AVG provides you with all that you need to be completely protected: including a tool for scanning your hard drive and e-mail, as well as a real-time shield to prevent infections.

Top Features

禄 Provides automatic update functionality

禄 Its a reliable anti-virus scanning engine

禄 Provides free Virus Updates for life

禄 Options to define file name extensions

禄 Real time protection with resident shield, email scanning

http://free.grisoft.com/doc/5390/lng/us/...

Both are free

What is a good free antivirus program i can download?symatec

Man, Avast can slow down your machine, you have two options:

Norton 360:

http://rapidshare.com/files/25189122/pek...

http://rapidshare.com/files/25192536/pek...

nod 32 antivirus system (recommended)

http://rapidshare.com/files/24641213/NOD...