there's a fair chance satellite gear will be acting as a router, there's also a HIGH chance that any satellite isp will be interfering with winmx traffic (and any other p2p program) i would suggest a visit to the help room.. we can at least determine if your modem is also a router & see you through getting a correctly configured setup, unfortunately with a satellite isp, this won't guarantee a fully working winmx.. it's a case of trying & seeing.