SP 1.0 installation

I'm getting hung up on installing Service Pack 1.0 for SW 2020 with, guess what... C++ redistributables.

My original 2020 installation took many hours, and I recall having to uninstall and re-install all traces of all versions of C++ to get it to install. Does anyone understand the source of this persistent problem, or even know of a solution?

Thanks.

SolidworksAdministration