You acc have logs "Invalid local ticks" it's mean:
a) or u have not real window time and you need fix it
b) or you closed shield.exe / or you antivirus closed shield.exe / ... if u have antivirus - add all l2 folder and l2.exe/shield.exe to exception list in antivirus. shield.exe always aurorun with l2.exe (you not need run shield.exe). When shield.exe working - you can see it in system tray >
http://f6.s.qip.ru/oZhWgcMc.png
If u have disconnect on select screen:
1) Delete system folder > download patch and setup him > run udpater and press Full Check > try enter to game (say me if it help you)
if not help >
2) Add all l2folder, l2.exe, shield.exe (from system folder) to exception list in antivirus
3) Full Disable your antivirus
4) try again
and say me result