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Apps from Mac App Store crash when started (CODESIGNING error)

Today I reinstalled macOS High Sierra on my MacBook Pro (Mid 2010). Now all apps I install from App Store crash immediately when being started (e.g. Pages, Numers, Bear, ...). Apps with a installer from the web still work, as well as all the apps coming with macOS itself.


This is what the report says:


I tried reinstalling macOS once again, I "repaired" the system SDD ... problem persists.


Any solutions?

MacBook Pro 13″, macOS 10.13

Posted on Nov 12, 2020 2:39 PM

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Posted on Nov 29, 2020 1:51 AM

this is not a perfect solution. however, it is a temporary solution for recent issues.

entering command+shift+g in finder activates go to the folder.

enter /Library/Keychains/crls/

delete or rename the "valid.sqilite3" file.

my opinion is that all apps recently installed by high sierra are having problems due to an error in authentication problems caused by the keychain.

as said at the outset, this is a temporary solution. If the same problem is repeated, repeat the solution.


-Sean








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Apps from Mac App Store crash when started (CODESIGNING error)

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