Download 10+ Free Source Antiviruses
As computer protection demands anti virus software and buying it is a very costly. Here is a list of anti virus softwares that are absolutely free.
Free Copy of The Shield Deluxe® 2009 
Over 100 new computer viruses are unleashed each year… is your PC protected? Take advantage now and get The Shield Deluxe® 2009.
AVG Free Edition is the well-known antivirus protection tool. AVG Free is available free of charge to home users for the life of the product. Rapid virus database updates are available for the lifetime of the product, thereby providing the high level of detection capability that millions of users around the world trust to protect their computers. AVG Free is easy to use and will not slow your system down (low system resource requirements. Highlights include automatic update functionality, the AVG Resident Shield, which provides real-time protection as files are opened and programs are run, free Virus Database Updates for the lifetime of the product, and AVG Virus Vault for safe handling of infected files.
Avira AntiVir Personal
Avira AntiVir Personal Free Antivirus is a comprehensive, easy to use antivirus program, designed to offer reliable free of charge virus protection to home-users only. Avira offers: Extensive Malware Recognition of viruses, Trojans, backdoor programs, worms; Automatic incremental updates of antivirus signatures, engine and entire software; Permanent virus protection, with Virus Guard real time monitoring; Install and configuration in just a couple of steps, setup to protect your PC in minutes; Virus protection against known and unknown threats, using an advanced heuristic system; Scheduler where you can set the scanner to make automatic virus scans or updates on your system; Forum and phone support; Knowledge Base with virus descriptions available on web site; Rootkit Detection and Removal; A modularized AV-search engine for improved scan performance.
Free anti-virus CD
Trend’s Free CD contains evaluation versions of all of Trend’s virus protection products, from the desktop PCs to LAN servers to groupware and mail systems to the Internet gateway. Trend’s Free CD is available for corporate users only (International)
Malicious Software Removal Tool
The Microsoft Windows Malicious Software Removal Tool checks computers running Windows XP, Windows 2000, and Windows Server 2003 for infections by specific, prevalent malicious software-including Blaster, Sasser, and Mydoom-and helps remove any infection found. When the detection and removal process is complete, the tool displays a report describing the outcome, including which, if any, malicious software was detected and removed.
Comodo AntiVirus
Comodo AntiVirus elliminates all known viruses, worms and trojans from Windows computers. Features on-demand & on-access scanning, email scanning, process monitoring, worm blocker, scan scheduling and more. It’s easy to use, will not slow down your PC and is free for life to the end user.
Clam AntiVirus
Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via Internet. The programs are based on a shared library distributed with the Clam AntiVirus package, which you can use with your own software. Most importantly, the virus database is kept up to date.
Free avast! 4 Home Edition
avast! 4 Home Edition is a full-featured free antivirus package designed exclusively for home users and non-commercial use. Both of these conditions should be met!
TrendMicro Housecall
Free online scanning tool from TrendMicro. You’ll need to download the necessary files from their website before you can proceed.
PersonalEdition Classic
Previously known as AntiVir PersonalEdition, PersonalEdition Classic protects against viruses, worms, Trojan horses and spyware, including dialers. Yes it’s a freeware.
BitDefender Online Scanner
BitDefender Online Scanner is a fully functional antivirus product. It features all required elements for thorough antivirus scanning and effective cleaning: it scans your system’s memory, all files, folders and drives’ boot sectors, providing you with the option to automatically clean the infected files.
Tune up your PC with PC Pitstop for free
Online Service
PC Pitstop uses ActiveX controls and JavaScript to diagnose your hardware, hard disks, and Internet connection, and to check your system for viruses. It then provides a summary report, problems and tips for maximising your PC performance.
Panda ActiveScan
ActiveScan’s is a free browser-based tool that can find and remove over 55,000 viruses and Trojan horses. Check your entire PC or specific folder or file. It easy to use and unlike other service, its updated daily.
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