You have to be connected to the internet for it to work. The panel is basically a tiny web browser (it uses Mozilla's Gecko rendering engine). (18 years ago, 18-Sep-06, to lugnet.robotics.nxt)
(...) Nope, it's not that, I'm connected all the time. I'm guessing the Windows Firewall, but I've opened that up (I think). (18 years ago, 18-Sep-06, to lugnet.robotics.nxt)