This is what you askes....
1. OS version? (eg: Windows 98)
2. What firewalls you have?
3. Connection type? (eg: broadband, cable, etc.)
4. Modem & router brand name & model numbers?
5. Where are you trying to connect from (home, school, work, etc.)?
6. What version of Limewire (LW) & Java do you have? (Go to LW's menu Help>About LW...) Will show both LW & Java version.
7. Do this simple test for us. Using your browser go here: http://www3.limewire.com:6346/ The page should say 'Your test worked!'. What happens when you go there?
8. Are you sharing the connection with other computers or p2p sharing programs? If yes, please give details of set up.

my answers:
1. windows XP
2. Same firewall and setting I've always had (limewire worked then) It has a little shield, but it's not macfree or whatever that is
3. I now have comcast cable instead of dial-up...and ever since we got it (like two weeks ago) limewire doesn't work...maybe the comcast connection isn't very strong?
4. Motorola modem SB5120 and a Cisco systems BEFSR41
5. Home
6. LW 4.9.31 Java 1.5.0_02
7. The page said the test worked
8. No