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Level 1

8 points

macOS 10.15.6. will not install

macOS 10.15.6 will not install catalina

Mac mini, macOS 10.15

Posted on Sep 3, 2020 3:24 PM

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Level 10

210,431 points

Posted on Sep 3, 2020 3:51 PM

Try downloading and applying the macOS Catalina 10.15.5 Combo Update. It can be more reliable than going thru the System/Software Update preference pane.

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2 replies

Top-ranking reply

Level 10

210,431 points

Sep 3, 2020 3:51 PM in response to Boom49

Try downloading and applying the macOS Catalina 10.15.5 Combo Update. It can be more reliable than going thru the System/Software Update preference pane.

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Level 10

116,212 points

Sep 3, 2020 3:46 PM in response to Boom49

There could be a myriad of reasons.

What messages do you get that indicate that it won't install?

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macOS 10.15.6. will not install

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