Avira AntiVir Personal

If you don't have virus protection, your PC will be infected with malware in a matter of minutes. Avira AntiVir Personal offers basic protection against viruses, worms, Trojans, rootkits, adware, and spyware that has been tried and tested over 100 million times worldwide. What's more, it is available free-of-charge. It not only protects against these types of malware, but offers as well, in case of an infection, the possibility of removing viruses very easily and repair the system automatically.

Functions: AntiVir stops all kinds of viruses; AntiAd/Spyware protects against adware and spyware; AntiRootkit detects hidden rootkits; QuickRemoval removes viruses at the push of a button; NetbookSupport support for computers with low resolution; AHeADTechnology detects even unknown viruses by their profiles; AviraSupport there for you in person when questions arise.

Size: 53.44 MB
Price: Free 
OS: Windows 7/XP 64-bit/32-bit/Vista 32-bit/64-bit
Publisher: Avira

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Protect My Disk

Autorun viruses are getting more and more popular these days and they infect more and more USB drives. You may protect your computer with an antivirus program, but what do you do when you have to plug your USB into another computer? Your USB flash drive is exposed. Now, you can stop that in the most simple way: Protect My Disk. It is a simple program that helps you protect your USB flash drive against autorun viruses. NO extra space used and NO programs installed on your USB flash drive. The program simply creates a special folder that prevents Windows to copy autorun files through virus programs to your USB flash drive. The program does not interfere in any way with your antivirus program. However, for more information, see the FAQ section. The program works with any type of USB flash drive and with memory cards. You can even protect your hard drive partitions.

Size: 590.94 K
Price: Free
OS: Windows 98/Me/2000/XP/2003/Vista/Server 2008/7/NT
Publisher: SecuSimple

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AVG Anti-Virus Free Edition 2011 10.0.1191

Although AVG has flagged a little in the past few years, AVG Anti-Virus Free 2011 breathes some new life into one of the most popular security programs around with a shorter install, better usability, and faster scans.
The never-ending mantra chanted by security suite vendors sounds a lot like "faster scans, easier to use, better performance," and AVG has released a new version that it says accomplishes all three. Certainly, the scans are faster, it does install more quickly, and some tweaks to the interface have made it easier to use. However, changes to the engine that powers the detection and removal of threats has made it hard to come to a conclusion until independent labs return their efficacy results later this year.

Size: 4.41MB
Price: Free
OS: Windows XP/Vista/7
Publisher: AVG Technologies

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Avira AntiVir Personal

THE Free Antivirus version 8.1.0.331is a comprehensive, easy to use, designed to offer reliable free of charge virus protection to home-users only. Avira offers: Extensive Malware Recognition of viruses, Trojans, backdoor programs, worms, etc. Automatic incremental updates of antivirus signatures, engine and entire software. Permanent virus protection, with Virus Guard real time monitoring. 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.

Size: 23.92MB
Price: Free
OS: Windows 2000/XP/Vista
Publisher: Avira

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AVG Anti-Virus

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. Version 7.5.516 features improvements in Resident Shield scanning and adds small improvements in installation process.