My MacBook Air has not accepted the latest update of High Sierra -- I have tried to load the program numerous times, but for some reason it will not load. Due to illness, I cannot make it into the Apple store though I live nearby. What can I do?

My MacBook Air has not accepted the latest update of High Sierra -- I have tried to load the program numerous times, but for some reason it will not load. Due to illness, I cannot make it into the Apple Store though I live nearby. What can I do?

Posted on Sep 4, 2021 6:44 AM

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Posted on Sep 4, 2021 6:54 AM

Due you mean this one Security Update 2020-006 (High Sierra. Suggest manually downloading use Safari. Once downloaded stop there. Perform a Time Machine Backup  is very useful and can be used to Revert to Previous Working macOS. . Once that is completed restart the computer in Safe Mode - Immediately at restart hold the Shift key until the Apple Logo is presented then release. Now, run the Installer located in Download folder on the Dock


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Question marked as Top-ranking reply

Sep 4, 2021 6:54 AM in response to jlbranch

Due you mean this one Security Update 2020-006 (High Sierra. Suggest manually downloading use Safari. Once downloaded stop there. Perform a Time Machine Backup  is very useful and can be used to Revert to Previous Working macOS. . Once that is completed restart the computer in Safe Mode - Immediately at restart hold the Shift key until the Apple Logo is presented then release. Now, run the Installer located in Download folder on the Dock


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My MacBook Air has not accepted the latest update of High Sierra -- I have tried to load the program numerous times, but for some reason it will not load. Due to illness, I cannot make it into the Apple store though I live nearby. What can I do?

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