Step 1: Install a popular virus protection software. 

If you don't have virus protection, click below for a trial version of Symantec's Norton AntiVirus 2007.  It is important to keep the virus definitions up to date as new virus's and worms are detected very frequently.

Step 2: Enable a Firewall

You  should make sure you have a firewall in place before taking any further actions against infections. If you have a hardware firewall in place for your network, or if you use the firewall included with Windows XP, most worms are most likely blocked. If your computer has been infected, a firewall will only help limit the effects and damages.  You will need to take further steps to rid infections.  Click here for XP build in firewall protection.

Step 3: Install the Required Updates

To help protect your computer against worms and other intruders,  you should download and install all security updates associated with your operating system.  This CD does  include the latest Service Packs.  You can click here to extract them directly from this CD (Fast Install Time), or you can go to Microsoft Web site to check for Updates by opening "Microsoft's Internet Explorer" going to tools and click on "Windows Update".