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How do you resolve the "an error occurred while preparing the installation. Try running this application again."

How do you resolve the "an error occurred while preparing the installation. Try running this application again."

MacBook Pro, Mac OS X (10.7.2)

Posted on Oct 1, 2018 10:06 AM

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Question marked as Apple recommended

Try installing in another admin account or the Safe Mode.


Safe Mode - About


Safe Mode Startup – El Capitan. also Sierra

Posted on Oct 1, 2018 11:46 AM

1 reply

How do you resolve the "an error occurred while preparing the installation. Try running this application again."

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