Blue Screen of Life BSOL <operating system> (BSOL, by analogy with "{Blue Screen of Death}") The opening screen of {Microsoft} {Windows NT}. This screen shows the {file system} loading, and any problems such as conversions from {FAT} to {NTFS} or a scan of a {hard drive}. The Blue Screen of Life occurs in one way, as opposed to the {Blue Screen of Death}, which can occur in many different ways and times. [Is this term ever used in connection with {Windows 3.x} or {Windows 9x}?] (1999-04-18)