If anyone had the same problem as me: This worked: https://www.youtube.com/watch?v=6fqzb4qpgcs&app=desktop Edited by Dev (added instructions from video): “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. Open a Terminal with appropriate privileges (“sudo bash” to make you root on most systems) Enter the following, substituting “AppName” with the real name of the app: xattr -cr /Applications/AppName.app Press Enter to run the command.