How To Fix App Store Hang Issue After Upgrade Mac OS To Catalina

Recently, I upgrade my mac book os to Catalina. But after that, I find my App Store application can not open normally. When I open the App Store application, it hangs and shows nothing, I can not upgrade any application in the App Store. This article will tell you how to fix this issue.

1. Open Mac OS Keychain Access And Reset Default Keychains.

To fix this error, you need to reset the mac os default keychains follow the below steps.

  1. Open a Finder window in macOS, then click Applications —> Utilities —> Keychain Access menu item to open it.
  2. Click Keychain Access —> Preferences… menu item on the top macOS menu bar to open the keychain access preferences dialog.
  3. In the Preferences dialog, click the Reset My Default Keychains button to reset the macOS default keychains. Now restart the macOS and open the App Store application again, you will find it can be used as normal.
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