Windows only: If you need to lock input to your computer temporarily, skip applications that require to you key in fancy combinations to unlock things. BlockInput unlocks itself. The options for BlockInput are simple. You select which hotkey you want to use to activate the program and how many seconds you want to the application to lock the input from your mouse and keyboard. The default is CTRL+Q and 5 seconds, presumably so the first time you test the program you don't find yourself staring at the computer for the next half hour waiting for it to unlock. Whether you need a window of time to wipe down your mouse and keyboard with some sanitising wipes or you have a particularly sensitive application you want to make sure isn't disturbed, BlockInput is a dead simple solution. BlockInput is freeware, Windows only.