If I open Krita and if I make a new file, I cant see the window with the layers. I reinstalled Krita 3 times the problem is still there. ( I'm German, so sorry for the bad English.)
*** Bug 388177 has been marked as a duplicate of this bug. ***
That probably means your system is suffering from this problem: https://docs.krita.org/KritaFAQ#Krita_starts_with_a_black_or_blank_canvas_and_nothing_changes_when_you_try_to_draw.2Fshows_a_black_or_blank_screen_on_my_Windows_system_with_an_Intel_GPU *** This bug has been marked as a duplicate of bug 360601 ***