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

I got this note trying to upgrade, no apparent way to reload the upgrade. Suggestions?

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


Posted on Oct 7, 2019 6:23 PM

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Question marked as Top-ranking reply

Posted on Oct 9, 2019 12:23 PM

Hello and welcome to Apple Support Communities, jclif4d!


I understand you're having trouble installing macOS Catalina due to the installer being damaged. I'd be happy to provide information to help you troubleshoot.


You'll want to delete the installer app using these steps: How to delete apps on your Mac


Thank you for using Apple Support Communities.

Enjoy your day!

3 replies
Question marked as Top-ranking reply

Oct 9, 2019 12:23 PM in response to jclif4d

Hello and welcome to Apple Support Communities, jclif4d!


I understand you're having trouble installing macOS Catalina due to the installer being damaged. I'd be happy to provide information to help you troubleshoot.


You'll want to delete the installer app using these steps: How to delete apps on your Mac


Thank you for using Apple Support Communities.

Enjoy your day!

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

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