notes windows server cpu

Why is my macbook using so much cpu % for windowserver + notes when i change the display settings from: default to more space?


Windowserver is taking 62% sometimes while notes is opened, and notes is consuming 101% cpu sometimes, thich make no sense.


Please just dont write here to restard smc and nvram... it's answer for everything that fixes nothing.


MacBook Pro 13″, macOS 11.5

Posted on Aug 11, 2021 5:42 AM

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7 replies

Aug 11, 2021 7:12 AM in response to P.Potoczky

Well - the com.spple.hiservices-xpcservice is " Not Responding "and may indicate some other issue sparking the high WindowsServer and Notes issue.


Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal operation of the OS and may even Corrupt the OS requiring a Reinstallation. The Built-in Security of Big Sur is all that is required.

Aug 11, 2021 11:15 PM in response to Owl-53

Thank You for quick reply, i am not using any kind ocleaner, antivirus, malware cleaner, but i am using uninstaller called: AppCleaner, which just delete also hidden files. I have noticed this not responding task few times, also wrote about it here few months ago but got no help.


I have always quit that process, and nobody know what is that or why it's not responding.

Aug 12, 2021 4:55 AM in response to Owl-53

Thanks for letting me know, i uninstalled that soft, even it was super simple app.

I also have update for mac os 11.5.2, so i hope that will fix it.


But most of the time i have notes app opened 8 hours/day without minimalising of quiting notes app.

Right now i tried to like just turn off the notes app bt cmd+w, but not quiting it by cmd+q, and the activity monitor is looking much better right now, notes isn't even showing.

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notes windows server cpu

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