Related Article: About the security content of Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave

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This 10.13.6 security update won't install. O am fine with that but how do I eliminate the constant request to restart?

This 10.13.6 security update won't install. O am fine with that but how do I eliminate the constant request to restart?

Mac Pro, macOS 10.13

Posted on Jul 15, 2021 2:12 PM

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Question marked as Apple recommended

Suggest regarding the Security Update for High Sierra. Manually download the update and Stop there. Perform a Time Machine Backup right away. Disconnect all external drives and restart the computer in Safe Mode - immediately at restart hold the Shift key and continue holding until the Apple Logo appear, then release. Safe Mode will do a Disk repair, clear system cache files and only load Apple Software, extensions and Fonts. It will load slowly - normal. Once logged in, it will look and perform differently - also normal.


Now run the Security Update located in the downloads folder on the dock and follow the prompts and it may restart several time before presenting the normal Log In screen.

Posted on Jul 15, 2021 2:19 PM

1 reply
Question marked as Apple recommended

Jul 15, 2021 2:19 PM in response to BillWYellowstone

Suggest regarding the Security Update for High Sierra. Manually download the update and Stop there. Perform a Time Machine Backup right away. Disconnect all external drives and restart the computer in Safe Mode - immediately at restart hold the Shift key and continue holding until the Apple Logo appear, then release. Safe Mode will do a Disk repair, clear system cache files and only load Apple Software, extensions and Fonts. It will load slowly - normal. Once logged in, it will look and perform differently - also normal.


Now run the Security Update located in the downloads folder on the dock and follow the prompts and it may restart several time before presenting the normal Log In screen.

This 10.13.6 security update won't install. O am fine with that but how do I eliminate the constant request to restart?

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