Upstream developer Zeeshan Ali (CCed) asked if you could also run the test program at http://pastebin.com/NjAa9eys (or see attachment). Check if the directories listed also exists for you.
Feel free to also stop by #gupnp on irc.gnome.org if you have time. Regards, Andreas Henriksson
// Build using: valac test.vala static int main (string[] args) { print ("%s\n%s\n%s\n", Environment.get_user_special_dir (UserDirectory.PICTURES), Environment.get_user_special_dir (UserDirectory.VIDEOS), Environment.get_user_special_dir (UserDirectory.MUSIC)); return 0; }