If macOS says the app cannot be opened
This macOS verification screen can appear when the app has not been approved on that Mac yet. Open Terminal, run the command below, and then launch the app again from Applications.
- Open Terminal.
- Run xattr -dr com.apple.quarantine "/Applications/Plugin Installer for OBS.app".
- Open Plugin Installer for OBS again from Applications.
xattr -dr com.apple.quarantine "/Applications/Plugin Installer for OBS.app"