All of the apps incomplete or damaged

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laurablur Author

Level 1

8 points

All of the apps incomplete or damaged

Hi

All the apps on my desktop Mac are not working - calculator, downloads, quicktime,.

They all say they are incomplete or damaged.

does anybody know what's happened?

Laurablur

iMac

Posted on Nov 19, 2018 8:42 AM

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Answer 1

Best reply

macjack

Level 10

111,168 points

Nov 19, 2018 8:45 AM in response to laurablur

Boot into Recovery Mode and choose Reinstall Mac OS. This should be an install "in place" and shouldn't affect any of your own data but that said, it's always wise to have a good backup.

About macOS Recovery - Apple Support

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Answer 2

Nov 19, 2018 8:49 AM in response to laurablur

In El Capitan and later every App that is allowed to run must be listed in the GateKeeper "white list" database, or they must be approved one-by-one and added manually.

It sounds like your got clobbered.

Gatekeeper database is such an integral part of MacOS, I expect it is locked up tight, deep in the bowels of MacOS. I sincerely doubt you can tinker with it to fix it.

What is the date of your last Backup, and by what method?

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Answer 3

laurablur Author

Level 1

8 points

Nov 20, 2018 2:56 AM in response to macjack

Had to boot it in recovery like you said and then use the time machine back-up to take me back to where I was before I started. Still not sure what actually went wrong with it.

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Answer 4

macjack

Level 10

111,168 points

Nov 20, 2018 5:33 AM in response to laurablur

I'm not sure what happened either but I'm glad you had a TM backup to restore from and it worked out.

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All of the apps incomplete or damaged

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