Consider backing up important files to another disk drive and / or the cloud.
Then clean install Windows 10:
https://www.tenforums.com/tutorials/1950-clean-install-windows-10-a.html
https://www.tenforums.com/tutorials/9230-download-windows-10-iso-file.html
https://www.microsoft.com/en-us/software-download/windows10
The computer used to type this message was last updated on 10/01/2021: Version 21H1 (OS Build 19043.1237)
This included KB4023057.
There is one optional update pending: 2021-09 Cumulative update preview for Windows 10 Version 21H1 for x64 based systems (KB5005611)
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Please remember to vote and to mark the replies as answers if they help.
On the bottom of each post there is:
Propose as answer = answered the question
On the left side of each post: Vote = a helpful post
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