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[[File:Error-code-e74.jpg|thumb|upright=1.3|alt=The error code E74. Above the large E 74 code is the message "System Error. Contact Xbox Customer Support." repeated in different languages.|Error E74 on the [[Xbox 360]], indicating a hardware failure<ref>{{Cite web |title=Xbox Support |url=https://support.xbox.com/en-US/help/errors/xbox-360/error-code-e74 |access-date=2023-03-12 |website=support.xbox.com}}</ref>]]
Error codes are commonly encountered on displays of consumer electronics to users in order to communicate or specify an error. They can also be indicated by lights or beeps, e.g., if a device does not have a display. They are commonly reported by consumer electronics when users bring electronics to perform tasks that they cannot do (e.g., [[Division by zero|dividing by zero]]), or when the program within a device encounters an anomalous condition.
Error codes reported by consumer electronics are used to help diagnose and repair technical problems. An error code can be communicated to relevant support staff to identify potential fixes, or can simplify research into the cause of an error.
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== In computer programming ==
Error codes in computers can be passed to the system itself, to judge how to respond to the error. Often error codes come synonymous with an [[Exit status|exit code]] or a return value. The system may also choose to pass the error code to its user(s). The [[Blue screen of death]] is an example of how the [[Microsoft Windows|Windows operating system]] communicates error codes to the user.
Error codes can be used within a computer program to represent an anomalous condition. A computer program can take different actions depending on the value of an error code.
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==References==
{{Reflist}}
==External links==
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