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cant install latest update

cant install latest security update 10.13.6 .

MacBook Pro 15″, macOS 10.13

Posted on Oct 15, 2020 7:33 AM

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Posted on Oct 15, 2020 11:57 AM

Try the standalone Security Update 2020-005 (High Sierra) in Safe Mode...

Safe Boot, (holding Shift key down at startup).

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