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Error while installing macOS High Sierra

Error Message:

"An error occurred while preparing the installation. Try running this application again."


System Info:
Model: Macbook Pro 2016 13,1 (Basic model).

Current OS: Sierra 10.12.6.

Available Storage: 25GB


Troubleshooting:

  • Running the installer again. Same error.
  • Deleting the downloaded copy. Success.
  • Re-downloaded High Sierra again from app store and apple server. Success.
  • Running the installer again. Same error.
  • Upgrading through Internet recovery mode. Downloading error.
  • Re-instaling macOS Sierra 10.12.6. Success.
  • Running the installer again. Same error.


PLEASE HELP.

MacBook Pro with Retina display, macOS Sierra (10.12.6)

Posted on Dec 14, 2017 3:05 AM

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1 reply

Error while installing macOS High Sierra

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