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User profile for user: Scott Varga
Scott Varga Author
User level: Level 1
26 points

"An error occurred installing the update" (10.15.3)

That is the radio box message that I get every time that I've tried to install this update.


Any thoughts or suggestions?

MacBook Pro 15”, macOS 10.15

Posted on Feb 3, 2020 1:48 PM

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User profile for user: dialabrain
dialabrain
User level: Level 10
122,513 points

Posted on Feb 3, 2020 1:54 PM

Try the stand alone Combo installer while in Safe Mode.

https://support.apple.com/kb/DL2030?viewlocale=en_US&locale=en_US

Use safe mode to isolate issues with your Mac - Apple Support

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User profile for user: Scott Varga
Scott Varga Author
User level: Level 1
26 points

Feb 3, 2020 4:27 PM in response to dialabrain

Thanks. I restarted in SAFE mode, and then tried to install, using the installer that you sent me the link for. It started the installation but then I got the following message in a radio box:


“The installation failed. Could not prepare macOS 10.15.3 Update for installation. Try inkling from a different copy of the item or contact the manufacturer for assistance.”


Please advise.

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"An error occurred installing the update" (10.15.3)

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