I've been having major issues with limewire for the last few days too, but not just limewire. Gnutella in general. When limewire died, I tried a few others that checked multiple networks and they also could not contact gnutella. Someone on one of the user groups for one of the programs sent out an updated 'stable nodes' list that when put in the appropriate folder, made that program connect to gnutella, but limewire is still hopeless...I might get an unstable connection to a handfull of files to search, but nothing downloads. Is it possible that some outside influence is messing with the major 'nodes'/important IPs? for. ex. blocking them some way to disturb the network?

my ISP does not block this service and I have a 2 mbit connection so I have enough bandwidth, but am not getting connected. Have also removed limewire entirely, reinstalled, run system tools to clean up system and so on.