How To Fix “App is Damaged Can’t Be Opened” Error Message | Mac OS Catalina

“App is Damaged Can’t Be Opened” or "App is damaged and can't be opened. You should move it the the Trash." error messages in Mac OS Sierra and High Sierra are a common error when you try to install a non-App Store application. In this video I show you have to fix the problem simply.

1. Open a Terminal with appropriate privileges (“sudo bash” to make you root on most systems)

2. Enter the following, substituting “AppName” with the real name of the app:

xattr -cr /Applications/AppName.app

3. Press Enter to run the command.

This should fix the problem!

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