My first computer tutorial is a basic explanation of how to find what ports are open on your computer so you can work out how to close them.A few links to help:Neohapsis Port List http://www.neohapsis.com/neolabs/neo-ports/neo-ports.htmlGasmi.net Port List http://www.gasmi.net/docs/tcp.htmlKurt Seifried\'s Port List http://www.seifried.org/security/ports/Don\'t fall off your chair when you do your first netstat, especially on Windows XP. hat, listening, netstat, no, open, ports, security, windows