The connection issues for the European megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
No idea whether every time because after the crash, I was also unable to log in for 15 minutes and wrote a bug report to customer service. Strangely enough, that was bugged too and the website crashed ...
Didn't try my luck anymore after I finally managed to get back into the game.