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Unable to install Security Update 2019-007 on my Mac running Sierra 10.13.6?

See title.

iMac 27", macOS 10.13

Posted on Dec 18, 2019 8:06 AM

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Posted on Dec 18, 2019 8:09 AM

I believe you mean High Sierra?

Try it from here, this site uses a different server:

Download Security Update 2019-007 (High Sierra)


4 replies

Dec 22, 2019 10:39 AM in response to WintersD__E

That might be a good thing.


Attempted to install the update last week on a MacBook Pro (17-inch, Mid 2010) with macOS High Sierra 10.13.6


During the process a window popped up alerting that the software, or was it operating system, could not be installed.


It then failed, multiple times, to reboot. : 0


Was, after much praying and a loss of a few more hairs, able to access an option to select the boot drive.


Thankfully the system is up and running again and a updated backup has been made.


Today the Software Update has reappeared. Think I will pass for now.


Anyone else with this issue?





Unable to install Security Update 2019-007 on my Mac running Sierra 10.13.6?

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