@user55789 at this point I would give up here and take it (as text not as an image) to the texlive list (
[email protected]) where people who understand tlmgr internals (= Norbert:-) are probably more reliable than me guessing (especially as I have never used the windows texlive, even though I use texlive on windows, I always use cygwin to have a more unix-like experience:-)