Many anti-virus options that you can use. Here we display a list of free antivirus that you can try. Although free, but the features offered antivirus is already full enough.
1. AVG Anti-Virus Free Edition
This is one of the best free antivirus software with features that are complete enough. One interesting feature that is quite rare and is owned by another antivirus features LinkScanner Active Surf-Shield and LinkScanner Search-Shield, which will help secure the computer when you use surf on the internet (http://free.grisoft.com).
Avira powerful enough to fight the virus, trojans, backdoor programs, hoax, worms, dialers, etc.. That little "disrupt" is Avira's nag screen that appears periodically offering to the users to upgrade to the paid version (http://www.avira.com).
Although the software is free, but to use the full during the year you have to register first. To make a registration you can visit this page (http://www.avast.com). After that the license key will be sent via email.
4. PC Tools AntiVirus Free Edition


Freeware is powerful enough to detect, quarantine, and repair damaged files as a virus, trojan, and worm (http://www.pctools.com).
Comodo Internet Security consists of Comodo Firewall and Comodo Antivirus. This software can be run on Windows XP and Windows Vista (http://personalfirewall.comodo.com).
6. MicroWorld Free AntiVirus Toolkit Utility (MWAV)
MWAV is antispyware and anti virus at the same time anti adware. This software can be run directly, without having to install it first.
This is one of the antivirus that is long enough with enough interesting features such as virus scanning and removal, Scheduled scanning, immediate scanning, skinable interface, Quarantine, reports (http://www.bitdefender.com).
