In the event of the machine not operating correctly, an error code will appear.

如果机器运转不正常，就会出现错误代码。

《牛津词典》

If the specified name is defined in the operating system as both, an error is returned.

如果指定的名称在操作系统中同时定义为用户和组，那么返回一个错误。

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Perhaps it's a logic error or an error caused by interacting with the operating system or both.

可能它是一个逻辑错误和/或与操作系统进行交互所导致的错误，或两者兼具。

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"A critical portion of our energy industry is operating with no margin for error, "U.S. Rep.John Shadegg, R-Ariz.

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