How do i avoid viruses in my computer?

Norton antivirus and utilities. Run the "fix -windows- problems" on Norton. You would be amazed how many errors you have and didn't know it.

How do i avoid viruses in my computer?free antivirus

You need to use and anti-virus program. I recommend avg.com go to the site and download the free version.

How do i avoid viruses in my computer?internet

use a condom
Use an antivirus utility, don't trust emails with attachments from people you don't know, make sure any games you might download are virus-free and scan your computer atleast once a week.
use windows updates, get anti-virus software and stay away from shady web sites or odd e-mails
stay away from porn sites
Stay off the porn and gambling sites!
Run an anti-virus program.
1. do not connect to the internet.

2. if you need to connect to the internet then do so through a NAT router as detailed in the discussions at grc.com/securitynow -you can also subscribe to this as a podcast.

3. turn on your winXP SP2 firewall -run shields up at grc.com to see if you can be seen from the outside

4. set your email client to accept only text mail, do not preview any email as previewing may activate code in jpgs and so on.