Am trying to install latest version of macOS Monterey 12.5.1 onto my MacBook Pro but am getting an error message saying that - Installation Failed - in order to continue installing you need to be an owner. Why is this happening?

Am trying to install latest version of macOS Monterey 12.5.1 onto my MacBook Pro but am getting an error message saying that - Installation Failed - in order to continue installing you need to be an owner. Why is this happening?

MacBook Pro 16″, macOS 12.0

Posted on Aug 24, 2022 12:46 AM

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5 replies

Aug 24, 2022 04:12 AM in response to Owl-53

Thanks P.Phillips, you put me on track to solve the problem. I have 2 accounts on my Mac. I thought the one I have been using for the last 10 months WAS the administrator acc. and the other was a 'guest' acc. Anyway I logged out of my usual acc. and into the guest Acc and went to System prefs and tried to update to Monterey 12.5.1 ..... it loaded up straight away and went through without a hitch.

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Am trying to install latest version of macOS Monterey 12.5.1 onto my MacBook Pro but am getting an error message saying that - Installation Failed - in order to continue installing you need to be an owner. Why is this happening?

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