Free Avast Antivirus
Engine: Blocks viruses & spyware
Cloud: Gives file reputation warnings
Cloud: Streams real-time updates
Remote: Allows assistance from a geek friend
Free Avira Antivirus
Keeps your PC clean
System Scanner prevents infection from viruses, worms and Trojans.
Blocks new viruses before they run
AHeAD Technology halts unknown code that looks suspicious.
Click, run, protect
No awkward options - Express Installation sets up your security system for you.
Free AVG Antivirus
The world’s most downloaded free Anti-Virus
Social Network protection including Facebook and Twitter
Free Kaspersky Antivirus
Kaspersky Internet Security 2012 has everything that you need to stay safe and secure while you're surfing the web. It provides constant protection for you and your family – whether you work, bank, shop or play online. Stay ahead of the threats with Kaspersky Internet Security 2012!