I have net framework...
Finally, it work for me. Just it's so long (10 - 15 minutes). Normaly ?
May be. For me took 6 minutes
You don't have the correct sigpatches1.2.0 launches just fine, games work just fine, but whenever I try to run the homebrew menu, either from title+R or the album it crashes with error pointing to title "01000000001000" which is usually related to a custom theme, but I don't even have that folder in the contents folder.
Going back to 1.1.1 fixes the problem.