We all know about the problems european player have experenced whan dawnguard was released, and the last patch was supposed to fix it for everyone, but it did not fix it for me.
i live in germany and i bought the UK skyrim version, and i was realy dissapointed to find out that i cant download the latest patch every time i start the game there is no notifiaction for an update, i also can not download the english speaking version of skyrim dawnguard , since i live in germany and here i can only download the localized german version which works with my uk game but is full of the already known bugs. so what am i supposed to bethesda i have payed for this dlc but its no fun at all considering the bugs i have experinced so far.
http://www.gamesas.com/topic/1397537-dawnguard-english-dlc-on-xboxcom/page__p__21248880#entry21248880
=) go to this thread I opened not long ago. I happen to live in luxemburg ^^ and had the same trouble as you did

. Normally if you go to xbox.com you should be able to download both versions ^^ of Dawnguard DLC, since they have noticed that UK Skyrim game users could not download the title update for the German DLC of Dawnguard.
Hope this helps you out

, just read through the thread ^^ I'm sure you will be able to get a solution,

cheers.