TK ChildLock! - Version 1.0 With ChildLock! you can limit an user's log on or log off times. Define when users can log on to your PC. If a specified user is already logged on your system on a non-logon-time, it is possible to log him off automatically. I.e. parents can control their children, so that they cannot be logged on to the computer after 7 p.m. So the parents can be sure their children don't surf on the internet at night. If the children are already logged on at 7 p.m., after a specified countdown an automatically log off and computer shut down is possible.ChildLock is the perfect program to restrict and limit an user's log on and log off behavior.