I have a clone of my SSD. I tried everything that people suggested on many sites, nothing worked. I finally went to to windows insider and went and installed the DEV channel.. It installed with no errors. I installed my good SSD drive and it also updated without a problem. I am now running 20201.rs_prerelease.200822-1922 with no problems
Edition Windows 10 Home Insider Preview
Version 2004
Installed on 8/26/2020
OS build 20201.1000
Experience Windows Feature Experience Pack 120.21600.0.0