1. OS version? Windows XP Professional 2. What firewalls you have? None 3. How much ram? 2GB 4. Hard Disk space available? 6.5GB 5. Connection type? Broadband 6. Modem & router brand name & model numbers? ZyXEL P-320W, ZTE MF-600 7. Where are you trying to connect from? House 8. What version of LimeWire (LW) & Java do you have? LW 4.18.3 PRO Java1.6.0_03 9. Who is your ISP (Internet Service Provider)? Maxis 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? Said so. 11. Are you sharing the connection with other computers or p2p sharing programs? No. 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? Port forwarding is not set up, disabled, while UPnP is enabled. 15. What security programs are you using (antivirus etc)? Some people might not be aware that their security suite includes a firewall NOD32. It is only an antivirus. 16. What country are you living in? Malaysia. I activated UPnP in the router and LW and it worked for a while. The next day it couldn't connect again...