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Howdy, pop up window from apple app store says copy of macOS High Sierra app is damaged and therefore cannot be installed. ?? I have a 2011 Mac, and hence this is the last version that will run on the machine so I've been informed. I do I get an undamaged copy?
iMac 27″, macOS 10.12
Delete "Install macOS High Sierra" from the Applications folder. Try again while in Safe Mode.
Delete "Install macOS High Sierra" from the Applications folder. Try again while in Safe Mode.
MacOS High Sierra app is damaged?
