MacBook Pro active window is defocusing due to CoreServicesUIAgent

Hi,

Since updating my MBP with M1-Chip to Ventura 13.3.1 the apps I currently work with are not in focus anymore after a random time.


I found out with a python-script which prints out the name of the application currently in focus that it was CoreServicesUIAgent which stole the window-focus. I already restarted the Mac multiple times and I don't know what else I can do. Here are some links where users have a similar problems


Older Forum-Post which got locked because of inactivity: Active window is defocusing due to CoreSe… - Apple Community


The problem is really getting on my nerves.


[Edited by Moderator]



MacBook Pro 16″, macOS 13.3

Posted on May 8, 2023 10:40 AM

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Posted on Feb 23, 2024 01:59 AM

It happened on the non-b word. It's a common issue that has no solid fix. https://kagi.com/search?q=CoreServicesUIAgent+focus&r=us&sh=BiwBr_YhB3Fe9bLysHcrkQ

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4 replies

Feb 22, 2024 04:34 AM in response to GiZiM

The OP was running 13.3.1 at the time. What OS are you running?


I have not come across this problem in any version of macOS, so I am thinking that there may be something peculiar to the systems afflicted by it.


Please run Etrecheck and post its full report here. Use the "additional text" button and paste the report into the text box.

Maybe we can find something in there.

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MacBook Pro active window is defocusing due to CoreServicesUIAgent

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