Yes, I've already read all the pinned topics. Nothing worked.

1. OS version? Windows XP Home Edition Service Pack 2
2. What firewalls you have? The default Windows one (disabled), Sunbelt Personal Firewall Free Version (enabled)
3. How much ram? 1 GB
4. Hard Disk space available? 1856 MB
5. Connection type? Broadband
6. Modem & router brand name & model numbers? I have D-Link DWL-G122
7. Where are you trying to connect from? House
8. What version of LimeWire (LW) & Java do you have? LW 4.16.7, Java 1.6.0_05
9. Who is your ISP (Internet Service Provider)? SBC Yahoo DSL
10. 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? It say's "Your test worked!!"
11. Are you sharing the connection with other computers or p2p sharing programs? No, not that I know of.
12. Is this a your 1st try at LW or is this a new problem with an experienced user? New problem with an experienced user
13. Do you see a brick wall in front of the blue world icon at the bottom of LW's interface? Yes
14. For those using a modem/router, how is your modem/router set up...are you port forwarding or is UPnP enabled? It doesn't show me the option to enable UPnP
15. What security programs are you using (antivirus etc)? Free Version of AVG Anti-spyware, Windows-KB890830-V1.40, Ad-Aware, Spybot Search and Destroy, At&t Yahoo! Online Protection.
16. What country are you living in? USA