Can't connect with my stationary

[filiokus]

I have a wierd problem. I can't connect to Limewire through my stationary pc all of a sudden. I can connect with my laptop though.. I haven't done any changes to my firewall.

Anyways, here's my info:

1. OS version? Vista
2. What firewalls you have? Windows firewall
3. How much ram? 2GB
4. Hard Disk space available? 200GB ++
5. Connection type? cable
6. Modem & router brand name & model numbers? Linksys Wireless-G Broadband Router WRT54G
7. Where are you trying to connect from: Home
8. What version of LimeWire (LW) & Java do you have? LW 4.16.6, Java 1.6.0_05
9. Who is your ISP (Internet Service Provider)? Canal Digital
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? "Your test worked"
11. Are you sharing the connection with other computers or p2p sharing programs? Yes, my laptop (wireless)
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? UPnP enabled
15. What security programs are you using (antivirus etc)? AVG 7.5 Anti-virus Professional Edition
16. What country are you living in? Norway

Edit: After I did the test in #10 I got connected to Limewire!
And, the connection dropped after I restarted Limewire. Still need help to figure this one out...