Forum Discussion
One core (out of 20) always running at 100% since 2023-12 update
I installed the 2023-12 update a few days ago and since then one core (out of 20) runs at 100% all the time. This does not happen if I boot into safe mode. I don't see a process with either Task ...
Try performing Clean Boot and see if the problem persists?
Have a look at:
https://support.microsoft.com/en-us/topic/how-to-perform-a-clean-boot-in-windows-da2f9573-6eec-00ad-2f8a-a97a1807f3dd
If not, you may enable services one by one to identify which one causing this problem.
Have a look at:
https://support.microsoft.com/en-us/topic/how-to-perform-a-clean-boot-in-windows-da2f9573-6eec-00ad-2f8a-a97a1807f3dd
If not, you may enable services one by one to identify which one causing this problem.
Same situation following a clean boot, one core running at 100% all the time.
Not there following a boot into safe mode.
- Try uninstall the update which causing this issue and see if the problem persists?
Have a look at:
https://support.microsoft.com/en-us/windows/how-to-uninstall-a-windows-update-c77b8f9b-e4dc-4e9f-a803-fdec12e59fb0The only update that was in the list of those available for uninstall was a security update. Uninstalling it did not change anything.
The 2023-12 update (KB5033375) was not in the list of updates that could be uninstalled.
I believe the problem started just after the 2023-12 update was installed.
