I am attempting to download the installer for High Sierra (to upgrade from Yosemite) from the App Store and the error message states the file is corrupted. Any suggestions?

I am attempting to download the installer for High Sierra (to upgrade from Yosemite) from the App Store and the error message states the file is corrupted. Any suggestions?

MacBook Pro 13", OS X 10.10

Posted on Jan 23, 2020 6:19 PM

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Posted on Jan 24, 2020 3:55 AM

Hello,


Naw, not corrupted, it's just that you have an old copy already in Applications, there are 2 cures...


Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS High Sierra App in Applications.


Or... trash the Install MacsOS High Sierra.app in Applications then a new copy can be downloaded.

1 reply
Question marked as Top-ranking reply

Jan 24, 2020 3:55 AM in response to rs117

Hello,


Naw, not corrupted, it's just that you have an old copy already in Applications, there are 2 cures...


Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS High Sierra App in Applications.


Or... trash the Install MacsOS High Sierra.app in Applications then a new copy can be downloaded.

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I am attempting to download the installer for High Sierra (to upgrade from Yosemite) from the App Store and the error message states the file is corrupted. Any suggestions?

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