Windows 10 Version 20H2 for x64-based systems 2021 02 (KB4601319) won't install?

Question

Windows

Windows Resource Protection found corrupted files but was unable
to repair some of them.
For details, see the CBS.Log file located at the following path:
windir\Logs\CBS\CBS.log. For example, C:\Windows\Logs\CBS\CBS.log. Detailed information
is included in the log file provided by the /OFFLOGFILE flag.

does not restore either Dism or from a Windows image

Answer 1

Try manually downloading this update: https://www.catalog.update.microsoft.com/Search.as... and try to install.