A guy from the local church phoned up and volunteered to come round this afternoon.
He must have scared it into working, because while he was on his way I reinstalled the software (3rd time?) into a totally new folder and put the PC next to the router aerial (100% signal strength 2 ft away...
Yes, I've tried both the System and the public Guest passwords. Tried changing the System one (which forced a router reboot), then tried reconnecting.
After about 20 secs saying it was waiting for network to be ready, it said "Connected!" for about a second, then went back to cycling the...
My Wireless network connects & disconnects every 2 seconds like clockwork, from "Connected, firewalled, signal strength excellent" to "Not connected, firewalled".
Belkin 4-way router and 802.11g wireless card. Windows XP SP3.
Connectivity works fine between them through a direct cable but...