Windows system uses near 100% disk after update to Windows 11

[richardttu]

I have a fairly new PC purchased earlier this year which had windows 10 installed. It ran great until I updated to Windows 11. Now the Windows System takes up nearly 100% disk at random times. It would be livable at startup, so I could boot and walk away for a few minutes until is was usable. But it does it at random times, sometimes when all I am doing is a reading a webpage or a document. It is not third party software causing the issue, it is "system", and sometimes some other window service. like "registry, or "host process for windows tasks"The attachment shows an event that occurre

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