Strictly speaking the update process isn't able to update to the new version without the existing file (https://devblogs.microsoft.com/oldnewthing/20200213-00/?

Strictly speaking the update process isn't able to update to the new version without the existing file (https://devblogs.microsoft.com/oldnewthing/20200213-00/?p=103436 https://devblogs.microsoft.com/oldnewthing/20200213-00/?p=10...). As noted on the blog post, the solution is to run the system file checker (sfc) to repair it before running the update