Do you want to lock keyboard and mouse on PC to prevent accidental clicking? You can easily disable keyboard and mouse connected to PC for some time using free portable “Keyboard Lock” utility.
Launch the utility to enter lock and unlock password words (make sure you remember them). Then click start button to lock both mouse and keyboard.
To unlock and enable back keyboard and mouse just type the unlock password word and you are good to go with normal computing. For sure one easy and neat way to disable keyboard and mouse on temporary basis.