Hi! Thx for the answer!
I already installed fedora 24 and I upgraded than to 25. It worked :-) But your way sounds more efficient ;-) -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/8e79db67-25d7-4898-a736-9a096eeb029b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.