replace all files(L2.exe, NWindow.dll, Egine.dll) after you run the launcher if they have one.. includeing help.htm from l2text folder...
or chk the help.htm now and see if is empty
strange.. user with 3 posts joined 1 day ago ... hmmm i think is a trojan... not useing it untill i see the src.. or you explain me how you created it to prove is working