I'm sorry but I don't think I'm going to be much help. The only other thread I can find that's remotely like your prob is
http://www.gnutellaforums.com/showth...=modem+freezes

Maybe it's a problem that stems from AOL?? I know some people have trouble with LW because of AOL's Pest patrol.

Have you called Sprint & asked a tech? It might be some setting within the modem? Did you make any changes before LW stopped working?

Maybe someone else will read this & have a few ideas

Not sure if it'll make any difference but I read that your modem uses UPnP. Do you have it turned on & ticked within LW? Have you done the port 6346 test in this thread? Go through everything in here & make sure you're configured properly
http://www.gnutellaforums.com/showth...threadid=51357