The most infamous error message is the Blue Screen Of Death. It’s so well known that it has crept into the vernacular: “Aw, Fxxk! I was almost finished with my project when I got bluescreened!†The phenomenon is also known by its acronym, BSOD.
The conditions that cause a blue screen have changed since the days of Windows 95/98, as has what it means. In either case, chances are pretty good that, if you get bluescreened, any unsaved work will be lost, as either Windows (in NT/2000/XP) or...