KeyFreeze is a program allowing you to lock the keyboard and the mouse. With this software, your kids cannot accidentally change your settings when banging on the keyboard. It also avoids pressing a key when downloading and prevents your pet from restarting your system inadvertently when you are doing something important, etc. You can lock the keyboard and the mouse with a single click and unlock them with Ctrl + Alt + Delete on the keyboard. Note that during this time, the screen of your computer is not locked. KeyFreeze is a freeware, lightweight and compatible with all Windows platforms.