Thursday, 28 June 2018

an error occurred while preparing the installation. try running this application again



https://www.fonepaw.com/upgrade/macos-install-stuck.html

Try restart and hold Command + Option + P + R, it will restart and flash your screen . hold and let it flashes couple of time.

then start with holding command + option + R, it will recover you mac from internet. you will need wifi access here, it take long time, but i will fix it for you.


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