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This copy of the Install macOS Monterey application is damaged, and can‘t be used to install macOS.

Mine is IMAC Pro 27 late 2015 is giving below error while installing the new OS what to be done?


This copy of the Install macOS Monterey application is damaged, and can‘t be used to install macOS.

iMac 27″, macOS 11.6

Posted on Aug 23, 2022 10:26 AM

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Question marked as Top-ranking reply

Posted on Aug 23, 2022 12:21 PM

Trash the old installer and download a current one.


And remember to make a backup before doing anything else.

1 reply

This copy of the Install macOS Monterey application is damaged, and can‘t be used to install macOS.

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