Free computer virus software for windows

Multi Virus Cleaner is a small freeware utility to remove from you computer the most important viruses Multi Virus Cleaner is a small freeware utility to remove from you computer the most important viruses, worms and other malware such as: MyDoom, Bagle, Sasser, Zafi, Netsky, Klez, Sobig, Welchia and Blaster.
Multi Virus Cleaner is able to detect common dialers and trojans installed on you PC.
Multi Virus Cleaner is not a substitute for full anti-virus protection, but rather a tool to assist administrators and users when cleaning infected systems.
Multi Virus Cleaner is regularly updated and can detect over 5,500 common viruses, worms, trojans and dialers (including all variants of the Sober, MyDoom and Bagle viruses).
Multi Virus Cleaner boasts a fast, user-friendly scanner that requires minimal processing power and is an excellent choice for repairing a compromised system.
System requirements:
- Processor 400 Mhz
- 128 MB RAM
- SVGA 800x600 display
- 256 colors