Once Diablo III got over its initial launch issues with Error 37, PC gamers have been generally happy with the gameplay.

FORBES: Connect

For Jupiter analyst Olivier Beauvillain, Yahoo's initial decision to put its investment on search on hold was an error.

BBC: NEWS | Technology | Can Yahoo dominate next decade?

Often, a diagnosis "evolves over time" so a patient's problem might not be clear from initial symptoms, Dr Singh says, but that isn't necessarily a diagnostic error.

WSJ: Adding Up Diagnosis Errors