What is CoreServicesUIAgent on Mac?
By Junaid, maker of Taskglass · Last reviewed
Shows system dialogs, such as the warning before opening an app downloaded from the internet.
CoreServicesUIAgent displays certain system dialogs on behalf of macOS, including the prompts that appear when you first open an app or file downloaded from the internet. It's idle unless one of those dialogs is showing.
- Category
- macOS system
- Made by
- Apple
- Safe to quit:
- With care
Shown in Activity Monitor as CoreServicesUIAgent
Why is CoreServicesUIAgent using so much CPU or memory?
- Opening a newly downloaded app while it's being checked
- Several first-launch dialogs at once
What to do
- 1Look for an open dialog behind other windows and respond to it
- 2Restart your Mac if it stays busy
Safe to quit? With care.
It relaunches; any dialog it was showing closes.
Related processes
Part of the Taskglass Process Library