Fatal error may refer to

• Fatal exception error, an unrecoverable error that forces a process to terminate abnormally and return control to the operating system
• Fatal system error, an unrecoverable error of the operating system that requires a restart
• Fatal Error, a 1999 film about a computer virus that evolves into a biological virus
• Fatal System Error (book), a nonfiction account of a cybercrime investigation

This disambiguation page lists articles associated with the title Fatal error.
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