note down the questions that it asks you to answer;get the answers;
post them back to the wireless forum; the experts can then try to help you; they are very busy folks: help them to help you; by trying to give them the answers they ask for;
What driver are you using? Is it native, ndiswrapper, I have a PCIMCIA card and the native drivers didn`t work. It too is a US Robotics card, I had to use ndiswrapper to get it to work correctly.