Fix macOS High Sierra Update

Yesterday my Mac or me decided to update High Sierra from 10.13.3 to 10.13.4. It appeared to install fine, but then it rebooted into recovery, with the Installer Log open, and a dialog that read, "The macOS Installation couldn't be completed".


One thing that worked for me was holding down the Option key and selecting the original partition to boot into. It will ask you to choose wi-fi too. Then downloading the update file macOSUpdCombo10.13.4.dmg directly from Apple and installing it.

macOS High Sierra 10.13.4 Combo Update can be downloaded here

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