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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?

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


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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