macOS Sierra Application is Damaged

Stephan Pringle Tuesday, September 20, 2016

Have you downloaded macOS Sierra numerous times only to be told that the macOS Sierra application is damaged? It’s not, and I have had this happen to me when installing in a virtual environment. Stick around for a few minutes and I will show you how to bypass the “This copy of the Install macOS Sierra application is damaged, and can’t be used to install macOS.” message given during installation.

00:00 – Installer error message.
00:34 – Implementing a workaround for the error message.
01:05 – Resuming the installation of macOS Sierra.

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Stephan Pringle

About The Author: Stephan Pringle is an Information Technology Support Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.

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