Thank you man you are a life saver
i’m also in Europe and got my installations working by VPN over america.
so sad to have thees problems those problems weren’t there when it were all on steam and the download speed were much better with steam never ever had a problem with COD on steam!
I got all the way to opening the battle.net-config file which couldn’t be opened 
Hey everyone,
We’ve received reports that the underlying issue has been resolved. If you are still experiencing issues installing the Battle.net Desktop App, please create a new thread.
Thank you for your patience!