We have already seen cool way to create fake and funny error message boxes. Well, checkout Dr Windows that can save you from dying of humor – does it? On the face of it, this program will behave as if it is protecting your computer from something (not sure what).
This will actually popup really witty and funny error messages like: “Windows has detected that you have moved your mouse, please restart your computer”. It sits on system tray like any other monitoring software and you can exit this fun application from there.
However, to bring actual settings window of this fun app you need to hold down the CTRL key and right click on its icon on system tray. You can even customize fun messages after you are bored with 50 fun message boxes – Dr Windows [link].