avast! 4 Home Edition is a free antivirus software for home noncommercial use. It scans for viruses, worms and Trojans on disk, CDs, in E-mail, IM and P2P . Incremental updates of virus database (twice a week) are small, fast and reliable.
McAfee is one of the best antivirus programs in the world. We recommend this one to everyone because it is our personal choice. This is only a FREE TRIAL, but it shows you the true power of the software.
New features of Symantec's antivirus software let you quarantine infected files, easily get help directly from Symantec researchers, and it automatically protects you against viruses as well as malicious ActiveX and Java applets. FREE TRIAL