I think this has happened to me before. Think I just had to wait and download at another time, i'm not sure. Have you tried enabling testing repo like Chris suggested? Or disabling it? Think the the only testing repo i enable is the security one.
Maybe change dns? -- 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 qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/6742a6dd-5db6-4d72-b877-7ca298f0a66e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.