Thanks! I've uninstalled Zonealarm and Limewire. Then I've installed Limewire. At this moment Limewire worked! After I've installed Zonealarm again I get the same error, even when Zonealarm doesn't run.

1. OS version? Vista
2. What firewalls you have? Zonealarm, Ipcop
3. How much ram? 2gb
4. Hard Disk space available? 200 gb
5. Connection type? (eg: dialup, broadband, cable, etc.) cable
6. Modem & router brand name & model numbers? ipcop
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. LW 4.1.4
9. Who is your ISP (Internet Service Provider)? Cablecom (Switzerland)
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? [B******ed[/B]
11. Are you sharing the connection with other computers or p2p sharing programs? If yes, please give details of set up. Yes
12. Is this a your 1st try at LW or is this a new problem with an experienced user. 1st try
13. Do you see a brick wall in front of the blue world icon at the bottom of LW's interface? Yes
http://www.gnutellaforums.com/attach...1&d=1158099342
14. For those using a modem/router, how is your modem/router set up...are you port forwarding or is UPnP enabled? forwarding
15. What security programs are you using (antivirus etc)? Some people might not be aware that their security suite includes a firewall zonealarm, antivir
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). switzerland

cheers christian