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Title: Installing macOS or OS X: What to do when ‘the installer payload failed signature check’ or ‘this copy of the install OS X application cannot be verified’ Post by: HCK on June 02, 2017, 04:05:14 pm Installing macOS or OS X: What to do when ‘the installer payload failed signature check’ or ‘this copy of the install OS X application cannot be verified’
<article> <section class="page"> <p>The other day a co-worker needed to borrow a Mac, so I grabbed an older MacBook Air from storage. I decided to wipe out the laptop’s flash storage and install a fresh version of OS X. I created a bootable USB flash drive installer (http://www.macworld.com/article/2981585/operating-systems/how-to-make-a-bootable-os-x-10-11-el-capitan-installer-drive.html), plugged it into the laptop, pressed the Option key as the machine booted, and then selected the USB drive as the boot disk.</p><p>I then ran Disk Utility to reformat the drive and then ran the installer to install OS X. It looked like things were moving along, until this appeared on the screen.</p><p class="jumpTag"><a href="/article/3097533/macs/installing-os-x-what-to-do-when-this-copy-of-the-install-os-x-application-cannot-be-verified.html#jump">To read this article in full or to leave a comment, please click here[/url]</p></section></article> Source: Installing macOS or OS X: What to do when ‘the installer payload failed signature check’ or ‘this copy of the install OS X application cannot be verified’ (http://www.macworld.com/article/3097533/macs/installing-os-x-what-to-do-when-this-copy-of-the-install-os-x-application-cannot-be-verified.html#tk.rss_all) |