I lost mine in a recent move (well, 3 months ago). Finally, I got internet and have my airport express but lost my install/setup disk that has the airport utility on it. Do I have to reorder that disk from apple? As the moment, only the wireless functionality of the router works. Airtunes does not work nor can i really save any pertinent settings so that windows computers cannot connect via password nor can they detect the router. My ipod touch as well cannot connect. Cheers!