If some of you guys may not know and use the Hitman Pro Alert (a web browser addon which looks for viruses) your 64bit client for PS2 WON'T work, although it will be possible to run the 32bit version if you do a batch file to do it (instructions can be found >>here<< ). Also if you use any other antivirus addon or standalone program and you're having a crash just after you start the game which gives you a windows error code 0x c0000005 (referencing to the ntdll.dll file as the source of crash) then it may be because of the program running in the background and messing with the game client when it tries to connect to SOE servers. Disable or uninstall that program/addon and see if it works, then please post the name of that program in this thread. Hope I've helped someone
