1. what OS version (eg: Windows 98, XP,OSX, Vista) ?
Windows XP Pro.
2. What firewalls you have ?
nForce ActiveArmor, which i dont know how to disable and have tried everything.
3. How much ram ?
2gigs ddr2
4. Hard Disk space available ?
270GB, 209 biggest free block.
5. Connection type (eg: dialup, broadband, cable, etc.) ?
ADSL 1 512Mb
6.Modem what brand name & model numbers ?
DLink DSL-302G
7.Router brand name & model numbers ?
NetGear RP614v3
8. Where are you trying to connect from (house, apartment complex,
school, student accommodation, work, etc.) ?
House connection
9. What version,LimeWire & Java, are you using. Go to L/W's Help/About L/W, THIS show both LW & Java version.?
Lw = 4.12.15
java = J2SE runtime environment 5.0 update 12
Java runtime environment 6.0 update 1
10. Who is your ISP provider (Internet Service Provider) ?
OptusNET
11. Do this test click here:
http://www3.limewire.com:6346/ should say 'Your test worked!. What happens ?
Your Test Worked
12. Are you sharing the connection with other computers or p2p sharing programs? If yes, please give details of set up.
Yes, My sister has her laptop and my mothers desktop running from the Netgear router. all hardwires, no wireless.
13. Is this your 1st try at LW, or is this a new problem with an experienced user.?
New problem, limewire worked perfectly untill about 3 weeks ago and it just stopped working.
14. Do you see a brick wall in front of the blue world icon at the bottom of LW's interface ?
interface doesnt open.
15. Have you given full permissions for LimeWire to pass through your Firewall ?
all firewalls are off.
16. XP users, Please state XP firewall on or off.?
Off
17. In Start & remove Programs, Is this update Installed, "Security Update for Windows XP (KB931261)" ?
If Windows Updates are not seen, Tick the box at top of page, (show updates)
Yes
18. Are you using Manual Port faward in LimeWire OR UPnP ?
You can check HERE, IN LimeWire Go, Tools/options/advanced/firewall Config
No im not, ive checked this from my internal router admin settings, i cant get into limewire tools/options because it doesnt open.
hope this is the information you need to help me 
muchly appretiated.
Evan.