Avast! Home Edition is an efficient protection system against virus.
License:
OS Support: WinXP, Win Vista

NOD32 is one of the most widely known safety systems in the world.
License:
OS Support: WinXP, Win2003, Win2000, Win Vista

If you need to detect the typical virus, trojans, spyware, worms among others, you will need to read about Avira Antivir Virus Definition File Update.
License:
OS Support: WinXP, Win2000, Win Vista

Kaspersky Anti-Virus 70 (10 licenses) is one of the applications of computer security best known and highly acclaimed worldwide.
License:
OS Support: WinXP, WinME, Win2003, Win2000, Win Vista, Win98

Trojan Remover is one of the best programs for removing Trojans you'll find on the internet.
License:
OS Support: WinXP, Win2003, Win2000, Win Vista

AVG AntiVirus Free prevents hackers attacks, blocks viruses, Trojans and spyware Besides, it allows you to freely navigate knowing that your system is not running any risk.
License:
OS Support: WinXP, WinME, Win2003, Win2000, Win Vista, Win98

Panda Antivirus has key tools to protect your system One of them is the scanner that will intercept the various viral codes, virus, trojans, spyware, etc.
License:
OS Support: WinXP, Win2003, Win2000, Win Vista

Kaspersky Anti-Virus is a fantastic utility which will enable to prevent attacks and protect your PC of the malicious codes existing in the net which at any moment can threaten Windows operative system.
License:
OS Support: WinXP, Win2003, Win2000, Win Vista

Avast! Professional Edition is one of the most popular antivirus of these days and it is acclaimed by the general public because of its performance against the different daily threats against the Operating System of PCs.
License:
OS Support: WinXP, Win2003, Win2000, Win Vista

Avira AntiVir Personal will protect you from worms, trojans, viruses, rootkits, (no coma) and other threats, that threaten your Windows operating system, (no coma) and the proper functioning of your PC.
License:
OS Support: WinXP, WinME, Win2003, Win2000, Win Vista, Win98