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Level 1

47 points

Cannot install OS Mac High Sierra

I downloaded High Sierra from the Mac store and received the following error message during the installation process:

The path /System/Installation/Packages/OSInstall.mpkg appears to be missing or damaged. Quit the installer to restart your computer and try again.

I don't know how to quit the installer since I am stuck on this screen. I have rebooted several times, only to come back to this screen/error display. I tried a Safe Mode restart but have been stuck in it for over an hour.

Any help would be appreciated. Thanks.

macOS Sierra (10.12.6)

Posted on Sep 26, 2017 9:36 AM

Best reply

AFNG

Level 1

14 points

Posted on Sep 26, 2017 11:43 AM

Mine gave the same error message. After rebooting a few times and getting to the same spot, I found a post that said to hold down the shift key (Boot into safe mode) to get past it. I did this and the progress bar froze at about 90%. I hard rebooted it after about 10 minutes of inactivity and tried it again. The second/or third time of trying to boot into safe mode finally progressed. A different looking progress bar appeared followed by the normal progress bar. After that a progress bar appeared telling me that Installation was occurring. ~40minutes later everything was installed and seems to be working fine.

I have no idea if this impacted anything, but while I was on the first screen with the original error message, I clicked the menu bar at the top and connected to my wireless network. Like I said, I have NO IDEA if this impacted anything, but it was something that I did and my system completed the installation successfully.

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