McAfee is by far the best and most user friendly computer protection I’ve ever used. They have a package on sale now for $29.00 (for one year). It’s 25% off reg price.
VirusScan Plus
Essential, Easy-to-Use PC Protection with Powerful Web Site Safety Advisor:
Anti-virus
Anti-spyware
Firewall
Web Site Safety Ratings
If you are a Comcast customer, McAfee is free.