How to Fix CoreServicesUIAgent Verifying Stuck on Mac

Macs are great devices that offer stable performance and a high level of security. However, Apple’s Mac desktops have problems that may annoy many users worldwide. One such problem is an error log –  CoreServicesUIAgent. The problem appears while allowing third-party apps to be installed on the machine. 

If you are struggling to fix this issue, then do not worry. In this tutorial, we have gathered all the fixes for CoreServicesUIAgent verifying stuck on Mac. One of the easiest fixes is to restart your Mac. If you still have the issue, read on. 

What is CoreServicesUIAgent on Mac?

Fix CoreServicesUIAgent Verifying Stuck on Mac

CoreServicesUIAgent is a graphical user interface (GUI) agent for GateKeeper – a built-in macOS function that verifies downloaded applications before allowing them to run on a Mac. While the check usually takes a while to be completed, there are times when the process takes forever. If the latter is the case, your Mac is stuck, and you will get a warning message saying that your app contains viruses and malware. 

How to Fix CoreServicesUIAgent stuck verifying on Mac 

You can try a few solutions mentioned below if you are facing the CoreServicesUIAgent stuck verifying issue. 

Method 1: Restart your Mac

Restarting is one of the most straightforward fixes for any software-related issue. In this case, it should refresh your device’s memory, thus fixing the verifying problem. 

Step 1: Click the Apple logo at the top of your screen.

Step 2: Choose Restart and click Restart to confirm.

Step 3: Your Mac should restart. Once it finishes booting up, check if the problem persists. 

Method 2: Update Your Mac

There may be a bug that prevents the GateKeeper feature from working correctly. If your device is not running on a new software update, make sure you keep it up-to-date. A new software update usually gets patches for certain bugs. 

Step 1: Click the Apple logo and select System Preferences from the drop-down menu.

Step 2: Select Software Update and install any available updates. 

Method 3: Delete The Package Installer

The problem may be with the package installer itself. If this is the case, try removing the package installer and re-downloading the app. If any of your previously-installed apps is the cause, try force-quitting it. To do it, press and hold the Option + Command + Escape keys.

Method 4: Set Up App From Installer

If the problem won’t disappear, try setting up the app from the installer on your Mac. Here is how to do it. 

Step 1: Open Finder and click Go > Go To Folder.

Step 2: Now go to /System/Library/CoreServices/Installer and press Return.

Step 3: Double-click on installer, select the .pkg file you wish to install and select Open. 

Method 5: Bypass The Error

You can bypass the error message by right-clicking the app. Here are the steps. 

Step 1: Locate your app package and right-click on the app > Open.

Step 2: Follow the on-screen instructions to complete the installation. 

Method 6: Allow Apps From All Sources

If the problem persists, the last hope for success is to allow apps from anywhere. Here are the steps.

Step 1: Go to System Preferences > Security & Privacy.

Step 2: In the General tab, hit the lock button at the bottom left corner to make changes.

Step 3: Check the box next to App Store and identified developers

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