Comodo Antivirus - Eliminates viruses, worms and trojans from desktops and networks. Bid farewell to viruses. Download today for out-of-the-box protection at no cost. [Freeware]
AVG Antivirus - Antivirus and internet security protection for home and business. Products ranging from maximum protection, to basic antivirus protection available for free download. [Freeware]
ClamWin - Looking for a free antivirus program for Windows? Download ClamWin Free Antivirus and get free virus scanning and free virus definition updates. [Opensource]
Kaspersky Lab - Antivirus software for home or business. The world's fastest antivirus updates. Free virus scan and antivirus trial downloads. [Trialware]
Protector Plus - This trial software will protect your system against all types of malware like viruses, trojans, worms, backdoors, spyware and other potential security threats. [Trialware]
Windows Defender - A free program that helps protect your computer against pop-ups, slow performance, and security threats caused by spyware and other unwanted software. [Freeware]