![mac - Error on EL Capitan Installation This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered - Ask Different mac - Error on EL Capitan Installation This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered - Ask Different](https://i.stack.imgur.com/ItcCV.png)
mac - Error on EL Capitan Installation This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered - Ask Different
![macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different](https://i.stack.imgur.com/E1BMF.png)
macos - This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered with during downloading - Ask Different
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Installing macOS or OS X: What to do when 'the installer payload failed signature check' or 'this copy of the install OS X application cannot be verified' | Macworld
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