Introduction - If you have any usage issues, please Google them yourself
Write a simple VB program hook lock! In their own password and temporarily leaving the computer does not shut down when not used, to prevent others from computer! Use of the file and registry operations to read and write! Set a password for the user to save and add the program starts automatically (registry operation), to prevent others from forced shutdown bypass this program! If you exit the program without a single normal circumstances (for example: the forced shutdown, etc.), it will automatically run the next restart and lock screen (the same as the previous password).