Trick your friends with this software application that simulates a critical system error, that displays a message that you can write. Fake System Crasher can even shut down your computer.
You can text the error message, you can schedule when you want the error to appear and you can also shut down the computer. You can drive your friends crazy, making them believe that their computer is infected with a lot of viruses.
As a sidenote: Fake System Crashed is harmless and it does not harm the computer.