The best line of defense against computer viruses, spyware, hackers and spam is BitDefender 2008, our #1 ranked anti-virus software and winner of "TopTenREVIEWS Gold Award." BitDefender 2008 is an outstanding product with a user-friendly interface that will scan all existing files on your computer, all incoming and outgoing emails, IM transfers and all other network traffic.

Kaspersky also receives a perfect score on our review, passes nearly all of the major virus tests, has hourly definition updates and offers an extensive feature set. This is the "TopTenREVIEWS Silver Award"anti-virus software.

ESET's Nod32 has an excellent virus detection rate earning the VB100% in all eight of its most recent Windows test. This software has a number of practical features to help you monitor your computer's security including outbreak notices and history/report logging. This antivirus software wins our "TopTenREVIEWS Bronze Award"and would have placed higher if it were a bit more novice friendly.

F-Secure AntiVirus is a user-friendly program loaded with scanning capabilities that will keep your PC secure and safe. This suite provides registry startup protection and screens emails and instant messages-to name just a few of its defensive features.

Get real–time monitoring and antispyware protection with Trent Micro Anti–Virus plus spyware. Formally known as PC-Cillin, this program comes with free email, chat and telephone support and works with all versions of Vista.

McAfee is an industry leader in computer protection and VirusScan is their #1 defense against viruses. This software comes with a ScriptStopper, to prevent virus to propagate from one computer to another via email, and WormStopper.

Norton, a big player in security software, offers competitive antivirus protection. The AntiVirus 2007 suite is easy to use and has extensive security features to protect your PC from malicious programs. Some of this protection includes instant messaging scanning, script blocking and POP3 and SMTP email protection. However, this software doesn’t provide protection from P2P or file sharing transfers.

AVG Anti-Virus has everything you need in an antivirus program: email scanning to include email attachments, boot scanning and auto updating of the virus definitions. From the basic interface, you can quickly do one of three tests: the Complete Test, Removable Media Test and Quick Test.

Formerly known as eTrust EZ Antivirus, CA Antivirus is an easy-to-use program that's good for computer novices and does a good job protecting your files and your computer from viruses.

We rated Norman Virus Control as a “very good” antivirus program. It passed the Virus Bulletin and ICSA 2007. This software isn't as user-friendly as some of the top-ranked products and may be difficult for computer novices.