Can’t Close CoreServicesUIAgent on Mac? Here’s What to Do

If you can’t close CoreServicesUIAgent on your MacBook, some suggested quick fixes include restarting your Mac, force quitting the malfunctioning app, and reinstalling the application. Deeper troubleshooting tips include disabling and enabling app download security settings, terminating all background and startup apps, and scanning your Mac for malware. If unsuccessful, disabling Gatekeeper temporarily or contacting Apple Support may be required.