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Security Update 2020-005 10.13.6

This update slows my iMac mid 2011 drastically. Two System Preferences icons appear (Not Responding) i.e. System Preferences not accessible. Reinstall 10.13.6 cures this (but hence no security update)

Posted on May 22, 2021 1:47 AM

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Question marked as Top-ranking reply

Posted on May 22, 2021 2:38 AM

https://support.apple.com/kb/DL2059?viewlocale=en_CA&locale=en_CA


Version of High Sierra Before Security Update of November 2020 - macOS 10.13.6 (17G14033)


Version of Big Sierra After Security Update November 2020 - macOS 10.13.6 (17G14042)

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Security Update 2020-005 10.13.6

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