http://bugs.winehq.org/show_bug.cgi?id=34041
--- Comment #17 from zoroaster zoroaster@inode.at 2013-09-17 13:31:17 CDT --- Ok, I can activate all add-ons and mods in any order without problem except the Dawnguard add-on.
I now also made a game cache consistency check to be sure. It is reproducible: any time I activate the Dawnguard add-on and quit the game it hangs.