the true "blue screen of death" is much more rare than the screen many claim it to be. For those who say it is the screen that says "fatal error" and "press ctl+alt+del" you are WRONG. that is a blue screen but it isnt the BSD. the real Blue Screen of Death give a lot more information and starts out with "a problem has been detected and Windows has been shut down to prevent damage to your computer." This screen means your computer is hosed. Completely.

Microsoft's most successful program

An error message on a blue screen and uses the MS-DOS font. This happens when major or "fatal" errors occur. In some cases you can press any key "to continue," but sometimes pressing CTRL+ALT+DEL may be required, and in rare cases you will have to power off the computer due to the keyboard not responding or getting a "System halted._" message.

Blue screen that you're all too familiar with if you use an older version of windows. If you can't wait the ten minutes it takes to crash, just put a floppy disk or cd in and then take it out while trying to load something from it.

Windows NT crashed.
I am the blue screen of death.
No one hears your screams.

Microsuck's warning that uses complicated addresses to warn you that you are running Windows.

The fatal screen that showed on Windows 98 when Bill Gates unveiled the "great" operating system.

The main screen of Windows.