Prepare a USB flash drive, no matter how big it is.
Install peach disk PE system on other computers;
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Make a USB flash drive into a peach USB flash drive
Insert the USB flash drive into the problematic computer, and start the computer to the PE system on the USB flash drive by modifying the BIOS startup sequence of the motherboard.
Reference:/doc/setupwin10local.html.
Enter the PE system,
Start menu > all programs > system accessories > command prompt
Enter the command to start repairing the disk problem of drive c:
chkdsk c:/f
Make sure that the folder C:\Windows\System32\config\ can be opened and the files in it can be seen.
After completion, restart, and you can enter the win 10 desktop.
Advice from others
If the above method fails,
It needs to be in the PE system.
Copy (overwrite) the files in C: \ Windows \ System32 \ Config \ reg back to C:\ Windows \ System32 \ Config.