Well, I noticed strange thing with installing .Net Framework 3.5. I used your converter – and like – 1st tab – 1st run. And enabled .net 3.5 first, with desktop experience and other, in first run. But after some time when I was installing programs, that need .net 3.5 – windows told me it’s not installed. I checked the roles/features – the tick for .net 3.5 was there, but the second tick exactly for 3.5 – was missing. Screenshot of what I mean: