The following link is to the most comprehensive antivirus/firewall software I’ve seen yet. The software is called Norman. Norman has a sophisticated virtual environment called the Sandbox that can literally analyze a process to determine if it is a virus! The firewall protects your computer to the port and destination ip level!!! It will give you the opportunity to allow or disallow any traffic on any port from any ip address…phenomenal protection. If you are serious about securing your computer, this is the one. Here is the new software suite for Windows Vista: