Windows 10 Pro 21h1 high CPU usage after update

I

Ionut Mandu

Hello, I had an old version of Windows 10 Pro and I updated it to 21h1 version with the installer from https://www.microsoft.com/software-download/windows10I have to mention that I can't do a revert back to old os build.After update I saw that 4 of my 8 cpu cores are always 100%. After few hours of testing everything I found that the cause is my lan driver. If I disable it all of my cores are idling correctly. More than that, I found that if I disable the Internet Protocol Version 4 (TCP/IPv4) from Ethernet Properties problem disappear. That doesn't happen if I leave only the Internet Protocol

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