Side-by-side configuration error fix (real fix):

First of all, what is that “Side-by-side”?

https://en.wikipedia.org/wiki/Side-by-side_assembly

Now, once in a while people see “Side-by-Side configuration is incorrect” errors in Windows out of nowhere. It means that files mirroring mechanism (C:\Windows\WinSXS) is broken, corrupted or such. Most of internet gurus provide the “ubersolution” to just reinstall Windows. What if you can’t or just don’t want to solve problem that “ultimate” way? Right out of my mind solution would be to just “sfc /scannow”. More involving one is to try and repair/reinstall all VC redist packages installed in the system, both x64/x86 versions.

Here’s the third one: use MS DISM tool:

https://docs.microsoft.com/en-us/troubleshoot/windows-server/deployment/fix-windows-update-errors