In need of a good free antivirus program?

My laptop hadnt been used for some time and my antivirus program expired, and contracted a virus from god only knows how or where. I think the kids started downloding stuff recently. please help.

In need of a good free antivirus program?windows

AVG Anti virus and McAfee virus scan are supposed to help a lot.check out http://blog.360.yahoo.com/blog-sAFtLsc8e... for more details.

In need of a good free antivirus program?antivirus download

Yahoo Online Protection
y does everybody want FREE!
AVG IS FREE AND WORKS WONDERS
AVG Free Edition Anti-virus rules! :) Good luck!
Try NOD32 Antivirus....It is good
AVG http://free.grisoft.com/
Kaspersky or NOD32 are the best (recent tests at av-comparatives.org). If you want a free anti-virus I recommend in order of popularity, but please choose the right one for you (install only one):

1. AVG Free

a. A simple interface (easier to use than Avast! and Avira)

b. Can detect about 82.82% of viruses

Cons: low virus detection

2. Avast!

a. Real-time protection

b. It has an option to delete a virus once found

c. Can detect about 87.46% of viruses.

Cons: Too many icons and confusing user interface

3. Avira AntiVir

a. It can detect malware better than Avast and AVG

b. It's cute umbrella icon

c. Can detect about 94.26% of viruses

Cons: A very sluggish update