Internet Cafe Software, Cyber Cafe Hardware, Kiosk, Self Service, Coin Op, Bill Operated

I have followed all the instructions to the letter but still same problem..????????????please help..thank you

I have just installed the AK5 software on my pc which is running OS Vista..All seems to download ok...but when i change the password after logging in to the administrative section..it says password changed ok..but the log in screen will not go away and keeps popping up on the screen which is prevent...