Kid-Key-Lock is the answer for this. You can download and install this program and then run it. It will work in background, hiding in notification area of your taskbar. When it's running you can activate it by clicking the icon with your mouse. If you have even locked the left mouse button, you can do Kid-Key-Lock program setup by typing: kidkeysetup (default). You may change the word "kidkeysetup" with your own word, but don't forget. To quit the program you can type "kidkeyquit", so that all locked keys will be normal again.But remember that this program does not work as a security program. It helps you to reduce annoyance cause by your pet or your kids only. It just locks your keyboard keys and mouse buttons. Download it for free now!