Four things you should do to protect yourself from Internet nasties.

If you want to ensure that you are protected from the most prominent computer threats, here's four things to do.

1) Install Windows XP Service Pack 2 if you use Windows XP

2) Install an anti-virus program - we recommend AVG Free Edition from http://www.grisoft.com

3) Install an anti-spyware program - we recommend Microsoft Anti-Spyware from http://www.microsoft.com/spyware/ for XP users. And also install one of the following as well as two spyware programs will catch most of infections: Spybot Search and Destroy from http://www.safer-networking.net or Ad-Aware SE from http://www.lavsoft.de

4) Turn on Windows Firewall or install a home network router or use SyGate from http://www.sygate.com or Zone Alarm from http://www.zonealarm.com