Current Client version is 0.4.00. If you don't have it, download it, then run the updater. If you then still cannot connect you got some issues with your internet. Make sure your firewall does not block the required UDP port. Also check if you do not have DNS issues - to do so, open a dos prompt and enter "ping laanx.fragnetics.com" if you see the dns solved into an ip address everything is alright with your dns...