Yes it could be the network.

Go to http://www3.limewire.com:6346/ & tell us what happens. It should say Test page was a success.

Uni's/colleges use different methods of blocking p2p use. eg: http://www.gnutellaforums.com/showth...700#post114700 They also block particular apps or ports or only have a particular set of apps authorised to run on/thru the network.

Which version of LW are U using?