If you use Windows XP in a non-networked environment, or have a laptop that connects to the internet when you travel, visit
The Protect Your PC Web site can automatically configure ICF (Internet Connection Firewall) settings, or give you step-by-steps instructions to do it yourself. Assistance in configuring Automatic Update, and a discussion of the importance of Anti-Virus products is also available.
If you need assistance in securing your PC, Microsoft has a free resource. Just dial this toll free number: 1-866-PCSAFETY.
I recommend that you view these 3 Protect Your PC Site Videos (in a delightful English accent):
NOTE: See Freeware script toggles ICF on and off.