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I have already Mojave 10.14.6 but cannot upgrade to Catalina due to error that occurred during the selected updates

I cannot upgrade to the new Mac OS Catalina whenever I try to upgrade there s an error that occurs during the selected updates (selected updates are: security updates 2020-005 and Macos supplemental update)

kindly advise what to do to upgrade the newest MacOs

Posted on Nov 9, 2020 9:32 AM

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Posted on Nov 9, 2020 9:37 AM

Try the standalone 10.15.7 in Safe Mode, but not using Firefox...


Safe Boot, (holding Shift key down at startup).


Fetch full 10.5.7 Installer…

https://discussions.apple.com/thread/252003244?answerId=253815304022#253815304022


https://apps.apple.com/gb/app/macos-catalina/id1466841314?ls=1&mt=12

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I have already Mojave 10.14.6 but cannot upgrade to Catalina due to error that occurred during the selected updates

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