Issues Accessing the Mojave Installer

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Issues Accessing the Mojave Installer

I've run in to an issue where I need to upgrade my 2015 iMac from 10.13 to 10.14. I can't upgrade to 10.15 because I still have a bunch of 32-bit apps I need to keep using for now.

The AppStore doesn't show me Mojave at all. I used the work around of the direct link in Safari to get to the Mojave Installer in the AppStore. However, there is no 'Get' only 'Open', and if I choose the latter it downloads a 22 MB file; running that file I get the message that the installer is corrupted.

Any clues? This is pretty urgent - I need to upgrade Keynote to a version that will live-stream with Bb Collaborate (the version included with 10.13 does not work) and I've confirmed that not only does the latest version work, but it should be compatible with Mojave.

Why does this all have to be so complicated?

Posted on Aug 13, 2020 11:41 AM

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Answer 1

Best reply

Eau Rouge

Level 8

42,554 points

Aug 14, 2020 9:47 AM in response to DocBassPlayer

If the App Store says 'Open' then the App Store is detecting a copy or partial copy of the Install macOS Mojave.app

in your Applications folder. Locate it , move it to the Trash, empty the Trash.

Connect your mac to your router via cable.

Restart your mac.

Open Safari and go back to the App Store Mojave download page,

it should now say Get or Open.

Do not use the mac while it is downloading and do not use any other devices that

share the same internet connection while the mac is downloading.

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Answer 2

Aug 14, 2020 9:45 AM in response to Sean Dale1

OK - that was helpful. I ended up using the method posted here: https://osxdaily.com/2018/10/04/how-redownload-macos-mojave-installer/

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Answer 3

Sean Dale1

Level 5

4,439 points

Aug 13, 2020 3:44 PM in response to DocBassPlayer

See this thread here https://discussions.apple.com/thread/251686879

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Answer 4

DonH49

Level 6

16,704 points

Aug 13, 2020 2:39 PM in response to DocBassPlayer

if urgency was paramount then an archive of all golden Master full installers could be kept and using apple's createinstallmedia would be the ticket.

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Answer 5

Aug 14, 2020 9:43 AM in response to DonH49

Great in principle, but you still need to be able to download the installer to create such an archive. And that is the specific problem I was asking about.

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Issues Accessing the Mojave Installer

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