AVG Technologies
Protection against viruses, spyware, adware, identity-theft and e-mail scanning. Also includes Safe Search: safely click search results. Manual updates or user-created update schedule. Access to AVG Free forums and FAQ.
Compatible with Windows XP, Windows XP Pro and Windows Vista.
AVG Freeavast
Virus protection, anti-spyware and anti-rootkit software. Strong self-protection to help keep your protection working, even against the latest threats that may try to disable your security protection. Able to scan multiple types of archives. P2P and IM Shields. E-mail scanning. Network Shield provides protection against known Internet worms/attacks. Web Shield monitors and filters all HTTP traffic coming from the Web sites on the Internet. Automatic Updates. Support Forum and the ability to submit a ticket and also a product manual.
Windows XP, Windows Vista and also support for Windows 64-Bit.
avast 4.8 Home EditionAvira
Anti-virus solution, that constantly and rapidly scans your computer for malicious programs such as viruses, Trojans, backdoor programs, hoaxes, worms, dialers etc. Monitors every action executed by the user or the operating system and reacts promptly when a malicious program is detected. Includes Rootkit detection and Anti-Phishing. Does not scan e-mail or for spyware. Community Support Forums and product documentation.
Microsoft Windows XP Home or Professional, Microsoft Windows Vista (32 or 64 Bit), also supports Microsoft Windows XP x64 Edition.
Avira AntiVir PersonalPC Tools
Protects your PC as you are working, surfing and playing. Detects, quarantines, disinfects and destroys Viruses, Trojans and Worms. IntelliGuard™ protects your computer against threats in real-time. Automatically checks for frequent updates against the latest threats. E-mail protection. Community Support.
Designed for Windows Vista 32-bit, XP and 2000
PC Tools AntiVirus Free Edition