What Is UserEventAgent, and Why Does My Mac Have It Installed?

Introduction to the Activity Monitor in Macs

You view the Activity Monitor and notice a process that you have never seen before: UserEventAgent. Do you have to be worried? No. This is the main process of macOS. This article explains a part of our current series processes detected in the Activity Monitor such as kernel_task, mdsworker, launchd, blued, hidd, opendirectoryd, WindowServer, installd, backup, powerd, coreauthd, configd, mdnsresponder, and almost all the others. Don’t understand what kind of services they are, and all tech issues are a classic horror for you? Just start to read the article below!

What is the UserEventAgent ?

The current process named UserEventAgent is considered to be a daemon, which means that it works in the background. UserEventAgent controls all kinds of your system’s work processes at the user level. To quote the management page for the process.

The UserEventAgent utility is a daemon that loads system-provided plugins to handle high-level system events which cannot be monitored directly by launch.

What does the Config file do?

It’s not quite clear, so let’s break it down. Previously, we talked about the process of config, which works in the background and tracks the position of all sorts of things about your Mac. For example, configured monitors whether you are on the network or not, and warns about other programs you use when this situation changes. A set of configured plugins enables the process to do it.

UserEventAgent plays the same role as config itself, but it controls a set of characteristics that config does not have the ability to modify, mainly because the config is considered as system-wide and is derived from the root, and UserEventAgent targets your user account and is working at the user account level. You can make it more tangible by looking at the plugins that UserEventAgent controls:

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they’re in /System/Library/UserEventPlugins.

In the UserEventPlugins folder, you’ll find plugins related to Bluetooth, BonjourEvents, configuration network, time zones, Time Machine, including the Touch Bar. Some of them may be folders with passwords. UserEventAgent keeps the position of all these things under control and reports the status of the applications you apply.


There are many possible bases for which UserEventPlugins will begin to apply a large number of system resources. There are some leading things that you can try if you notice a surge in the use of resources with the support of UserEventPlugins. The first thing needed (not surprisingly) is to restart the Mac. It is rudimentary, but most of the problems will be gone. In case the problem is not resolved, remember to turn off each piece of equipment or software you added. In the case it stops the high resource usage you will most likely find a bug: stop the implementation of software or the equipment in question, and then look whether there is a software update that resolves the issue.

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