Help! Can't go on the net - need for business.

The system tray icon says I have excellent wireless network strength [it should the pc is 8 inches from the router which is plugged directly into the incoming internet cable]

BUT - mozilla, firefox and chrome all say can't find the server..

SYSTEM: XP USING A NEW NETGEAR WIRELESS ADAPTER AND A NEW VERIZON ROUTER

Control panel shows wireless network available. Startup is set with all drivers starting.