Blue Screen Of Death

Usually abbreviated as BSOD, the Blue Screen of Death is the blue, full-screen error that often displays after a very serious system crash.
The Blue Screen of Death is really just the popularized name for what is technically called a stop message or stop error.
Aside from its official name, the BSOD is also sometimes called a BSoD (small “o”), Blue Screen of Doom, bug-check screen, system crash, kernel error, or simply blue screen error.