Sorry I've made a mistake with the IP addresses Make sure that the Windows XP firewall is set on, but don't tick the checkbox labelled "Don't allow execptions". Also check the obvious things like ping your desktop PC from your wireless notebook. Can you ping it? If yes than it's a good sign:) If not check these obvious things as well: the IP addresses if they both desktop and laptop are in the same subnet (in english do the first three sets of numbers of your IP address are the same) Example, if your desktop is say 192.168.0.1, is your notebook Ip address 192.168.0.xxx (xxx = any number from 1 - 254)? Try these and see how you go. If you need more info, please PM me. Cheers.