I am trying to update my iMac to Catalina OS. When I try, I get a message that says, "This copy of the install MACOS Catalina app is damaged and can not be used to install macOS. How do I get rid of this app so I can then install?

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I am trying to update my iMac to Catalina OS. When I try, I get a message that says, "This copy of the install MACOS Catalina app is damaged and can not be used to install macOS. How do I get rid of this app so I can then install?

Posted on Nov 20, 2019 1:36 PM

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Answer 1

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rkaufmann87

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Nov 20, 2019 1:53 PM in response to terrence121

Locate the installer in the Application folder and put it in the Trash and then empty the Trash. Then re-attempt to download Catalina.

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I am trying to update my iMac to Catalina OS. When I try, I get a message that says, "This copy of the install MACOS Catalina app is damaged and can not be used to install macOS. How do I get rid of this app so I can then install?

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