Cannot open the App Store, after upgrading to macOS Catalina 10.15.3.
Things I have tried:
- Reinstalled macOS Catalina.
- Clearing cache and removing all the related folders as given at : How to fix / Reset App Store app on Mac OSX - El Capitan
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We’ve had some people report the same issue. Might you have an update?– bmike ♦Commented Apr 12, 2020 at 22:25
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3 Answers
What I have done is delete the App Store key chain entry in Finder, Application, Utilities, Keychain Access and the search for appstore. Delete just that one. (MacOS Catalina)
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There is no such entry in keychain, may be I have already deleted it. But still the problem remains. Commented Mar 26, 2020 at 8:54
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Perhaps you can try to delete all the temporary files and start in safe mode to open the App Store. If the problem persist I would try to reinstall Catalina.– IgnacioCommented Mar 26, 2020 at 10:13
After trying every other step, including reinstalling the catalina os from recovery mode
Only this worked for me
keychainaccess -> preferences-> clicking on "reset my Default key chain" -> reboot machine worked as stated here
Note: you will loose all the saved passwords
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Seems a bit drastic. Anyone tried opening the App Store in a brand new user account?– benwiggyCommented Apr 21, 2020 at 9:04
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I'm in IT and tried every other possible method to get the App Store working again after updating to Catalina (could not update/download/buy apps: it would just sit and spin the icon). I tried pruning the Keychain manually to no avail. As soon as I reset the Keychain and rebooted, the App Store started working properly again. Obviously there's a non-obvious entry that's hosed, but I couldn't find it. BTW, it's really not all that drastic, unless you use your Keychain to store tons of passwords; I use LastPass for that. Resetting also leaves a backup of the old one in ~/Library/Keychains/– JohnEDeeCommented Sep 27, 2020 at 16:23
Open Keychain Access and search for any entries matching "app store". I found one for the appstored process that once deleted, allowed the App Store to fire right up without even restarting the OS. Didn't get a screenshot unfortunately and it wasn't re-created.
If that works, you won't have to wipe out your entire default user keychain. If you have to go that route, make sure to take thorough backups of the .keychain or .keychain-db files first.
