Well as I'd said, I've read all the threads, including the one's you had linked.

Followed instructions in both.

So yes, I had done the search.

1. OS version? Vista, Admin
2. What firewalls you have? Simply Windows Firewall
3. How much ram? 2 gig
4. Hard Disk space available? 16 gig
5. Connection type? (eg: dialup, broadband, cable, etc.) Broadband, Cable.
6. Modem & router brand name & model numbers? Buffalo, WHR-G54S
7. Where are you trying to connect from (house, appartment complex, school, student accomodation, work, etc.)? House
8. What version of LimeWire (LW) & Java do you have? (Go to LW's menu Help>About LW...) Will show both LW & Java version. Latest of Both.
9. Who is your ISP (Internet Service Provider)? Virgin Broadband.
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? Worked.
11. Are you sharing the connection with other computers or p2p sharing programs? If yes, please give details of set up.
12. Is this a your 1st try at LW or is this a new problem with an experienced user. New Problem.
13. Do you see a brick wall in front of the blue world icon at the bottom of LW's interface? Yep
14. For those using a modem/router, how is your modem/router set up...are you port forwarding or is UPnP enabled? yep.
15. What security programs are you using (antivirus etc)? None
16. What country are you living in? Sometimes there are ISPs with the same name in more than one country (eg Clearwire in the USA & also in Ireland). United Kingdom.