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AVG Anti-Virus is one of the most popular antivirus solutions. Security protection against viruses, worms, trojans and potentially unwanted programs. Compatible with Windows Vista!

Features

• Easy to use protection – install and forget
• New program versions and updates, for free, throughout the license duration
• Quality proven by all major antivirus certifications (VB100%, ICSA, West Coast Labs Checkmark)
• 24/7 technical support provided at no extra cost
• Improved virus detection based on better heuristics and NTFS data streams scanning
• Smaller installation and update files
• Improved user interface

avast! Home Edition -
FREE antivirus software with spyware protection

All-inclusive and comprehensive protection FREE avast! antivirus Home Edition includes ANTI-SPYWARE protection, certified by the West Coast Labs Checkmark process, and ANTI-ROOTKIT detection based on the best-in class GMER technology.
Simple to use and automated Daily automatic updates ensure continuous data protection against all types of malware and spyware. Simply install and forget. We've made avast! as simple to use as possible.
Tried and Trusted With over 70 million users of avast!, you can rest assured that you are using one of the most tried and trusted products in Windows security. We support more Windows versions (from Windows 95 to Vista 64bit) than any other anti-malware product. No matter what system you have, avast! has it covered.

Features:

• Anti-spyware built-in
• Anti-rootkit built-in
• Strong self-protection
• Antivirus kernel
• Simple User Interface
• Resident protection
• P2P and IM Shields
• Network Shield
• Web Shield
• Automatic updates
• Virus Chest
• System integration
• Integrated Virus Cleaner
• Support for 64-bit Windows
• Internationalization

Antivirus protection is spelled "NOD32." Built on the award-winning ThreatSense® engine, ESET NOD32 Antivirus software proactively detects and eliminates more viruses, trojans, worms, adware, spyware, phishing, rootkits and other Internet threats than any program available.

It's the ideal antivirus for Windows XP, and also runs smoothly on Windows legacy systems, MS-DOS, file servers, mail servers, and more.

Antivirus software with spyware protection.

Key Technologies:

• Antivirus
• Antispyware
• Internet Worm Protection
• Rootkit Detection

Features:

• One click access to expert support
• Works quietly in the background
• Network mapping provides a view of your home network
• Detects and removes spyware and viruses
• Blocks spyware and worms automatically
• Antivirus protection for email and instant messaging
• Prevents virus-infected emails from spreading
• Rootkit detection finds and removes hidden threats
I
• ncludes protection updates and new product features as available throughout the renewable service period

BitDefender

The best line of defense against computer viruses, spyware and spam is BitDefender, our #1 ranked anti–virus software and winner of “TopTenREVIEWS Gold Award.” BitDefender 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.