New Windows 10 build update can cause high CPU activity (update)

Published by

Click here to post a comment for New Windows 10 build update can cause high CPU activity (update) on our message forum
https://forums.guru3d.com/data/avatars/m/247/247876.jpg
sverek:

Somewhere in alternative universe Win10 is not poisoned with bloatware and actually a decent OS.
Both on my home and work rigs Win10 is not poisoned with bloatware and actually does a decent job - am I living in alternative universe?
https://forums.guru3d.com/data/avatars/m/242/242134.jpg
@mbk1969 how do you manage to not have any notifications show related to firewall/defender?
https://forums.guru3d.com/data/avatars/m/247/247876.jpg
fry178:

@mbk1969 how do you manage to not have any notifications show related to firewall/defender?
Which ones? (I have not seen firewall notifications for ages.)
https://forums.guru3d.com/data/avatars/m/242/242134.jpg
i dont like win changing stuff on me (FW), so i deactivated FW/DF as much as possible, but i still get win to notify me about it not running, everytime i boot up.
https://forums.guru3d.com/data/avatars/m/263/263710.jpg
My CPU usage @idle = 3% (~2% used by task manager when viewing how much being used)... [with Cortana whore whose disabled]
https://forums.guru3d.com/data/avatars/m/55/55855.jpg
I didn't install this update (was an Optional), as ive not had any problems with the Patch Tuesdays, so i just installed the .NET Framwork one, that came through too. As the say, if it ain't broke...... 😀
https://forums.guru3d.com/data/avatars/m/247/247876.jpg
fry178:

i dont like win changing stuff on me (FW), so i deactivated FW/DF as much as possible, but i still get win to notify me about it not running, everytime i boot up.
Make a screenshot of that notification and post it here.
https://forums.guru3d.com/data/avatars/m/272/272918.jpg
mbk1969:

Windows is suitable too, I was asking for "ideal" (no bugs, no stupidities)...
Till you eradicate the userbase and the human programmers, that will never happen.
MBTP:

My God, i just can't wait steam on linux to equalize in performance over windows, i can't stand windows anymore, just a mess, even if Mac Os was more gaming focused i would be there, Microsoft is a pile of...problems.
i'd say you can if you compile your own kernel tbh, iv certainly had great performance from systems with a slimmed down custom kernel, especially in a server environment.
data/avatar/default/avatar24.webp
I am always confused by the comments all the time how bad Windows 10 is.I will never understand,windows 10 does everything I want it to do and works fine.I only play games and brows some forums and watch some youtube,so pure casual user, so maybe why it works well for me. I do not mind the updates and if something happens there is always and easy fix.Not sure Linux or Mac is the same for easy fixes.
https://forums.guru3d.com/data/avatars/m/272/272918.jpg
gerardfraser:

I am always confused by the comments all the time how bad Windows 10 is.I will never understand,windows 10 does everything I want it to do and works fine.I only play games and brows some forums and watch some youtube,so pure casual user, so maybe why it works well for me. I do not mind the updates and if something happens there is always and easy fix.Not sure Linux or Mac is the same for easy fixes.
I never have problems with Win10 but i use LTSC so a lot of the bloat is taken out and buggy updates are delayed. I'd say linux, if you have know how can be easier to fix as its all open for you to look at the code, or worst case there is a million other projects that replace the same thing and do it worse or better.
https://forums.guru3d.com/data/avatars/m/72/72830.jpg
Win10 has been a royal pain in the bleep on many fronts. The worst of all is that the start menu for a long time did not work at all. And I hate that I can't at times install a new version of say DDU at all because MS team has not verified it yet. XP and Win7 had a lot less trouble than this.
https://forums.guru3d.com/data/avatars/m/266/266726.jpg
MBTP:

My God, i just can't wait steam on linux to equalize in performance over windows, i can't stand windows anymore, just a mess, even if Mac Os was more gaming focused i would be there, Microsoft is a pile of...problems.
its pretty close already, youd hardly notice on a modern cpu, valve recently added experimental support for D9VK to proton, gave mw2 a whirl and it runs perfectly. the biggest obstacle for linux at this point is DRM, the only games ive tested that dont work properly, are ones with DRM related issues .
https://forums.guru3d.com/data/avatars/m/242/242471.jpg
Im affected too, I used O&O to disable bing search.
https://forums.guru3d.com/data/avatars/m/226/226700.jpg
Hilbert, many thanks for posting this article...with it in mind, I extended my Windows update schedule by 10 days. And this situation is the exact reason why I chose the Pro version of Windows 10.
https://forums.guru3d.com/data/avatars/m/247/247876.jpg
insp1re2600:

I'd say linux, if you have know how can be easier to fix as its all open for you to look at the code
You think this is easy task with *NIX approach to source files and build process? ****
Thunk_It:

Hilbert, many thanks for posting this article...with it in mind, I extended my Windows update schedule by 10 days. And this situation is the exact reason why I chose the Pro version of Windows 10.
I am on Home edition and I can postpone updates for whatever period of time with the help of metered connection mode.
https://forums.guru3d.com/data/avatars/m/132/132389.jpg
Sounds relatively benign, just draining power and causing performance problems. Microsoft is slowly improving. At least it isn't going to delete my files again... is it?
sverek:

Somewhere in alternative universe Win10 is not poisoned with bloatware and actually a decent OS.
Is that also the world where planned obsolescence isn't an industry-wide standard, started by a cult named after a fruit, and corporations don't try to rob your corpse after nickle and diming you to death (despite the already hyper-bloated, illegally fixed prices on everything)? Sounds like a cool place.
https://forums.guru3d.com/data/avatars/m/77/77887.jpg
MaidenFred:

To solve it, jump to C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\cache and delete files in the 2 folders (cache/desktop and cache/local/desktop). Don't delete folders, just files inside You will have to take ownership these folders before... I found it somewhere and tried it with success
A quick Google search indicates that this might not be the best course of action: https://borncity.com/win/2019/08/30/windows-10-v1903-update-kb4512941-workaround-for-the-cortana-high-cpu-load-issue/ Another workaround With the above knowledge one could now simply say: Ok, I clear the cache and it’s fixed. Unfortunately this won’t help, because the cache will not be rebuilt if it is deleted or a new cache is created. But there is a workaround that the user has outlined in his comment: Inserting the folder from prev.version works fine instead of black search window Btw, looking of meaning “cache”, the folder is not recreated / regenerated by itself after delete Folder saved from backup of 362.295 build (as I remember): cache.rar – Google Drive German blog reader Werner confirmed to me that this workaround had helped him: In a local fresh test installation of 1903 in VMWare the CPU load goes to 100% after installation of KB4512941. If the cache folder is backed up before installing KB4512941 and the folders are copied back after the update, the CPU load of Cortana (immediately without reboot) goes to 0%. and it continues with steps you may try.
https://forums.guru3d.com/data/avatars/m/242/242134.jpg
@mbk1969 no worries. its just the normal "windows complaining" stuff, because services/tasks arent loading at boot. i still have other probs (driver/settings related), so not thaaat important right now, and ill ignore it. thanks tho
https://forums.guru3d.com/data/avatars/m/273/273678.jpg
more issues caused by pointlessly struggling against the machine 😎 disabling all those telemetry services isn't preventing msft from tracking you, its just causing issues and preventing them from fixing their own. 🙄
https://forums.guru3d.com/data/avatars/m/96/96435.jpg
Watcher:

A quick Google search indicates that this might not be the best course of action: https://borncity.com/win/2019/08/30/windows-10-v1903-update-kb4512941-workaround-for-the-cortana-high-cpu-load-issue/ Another workaround With the above knowledge one could now simply say: Ok, I clear the cache and it’s fixed. Unfortunately this won’t help, because the cache will not be rebuilt if it is deleted or a new cache is created. But there is a workaround that the user has outlined in his comment: Inserting the folder from prev.version works fine instead of black search window Btw, looking of meaning “cache”, the folder is not recreated / regenerated by itself after delete Folder saved from backup of 362.295 build (as I remember): cache.rar – Google Drive German blog reader Werner confirmed to me that this workaround had helped him: In a local fresh test installation of 1903 in VMWare the CPU load goes to 100% after installation of KB4512941. If the cache folder is backed up before installing KB4512941 and the folders are copied back after the update, the CPU load of Cortana (immediately without reboot) goes to 0%. and it continues with steps you may try.
I used the same fix but in the form of a bat file and it worked.