yep...i got the same problem ...
didnt played since 1 week today i wanna play ....same fking problems like you...
i reinstalled it then it worked for 6 hours untill i restart pc...now i got the same thing again
anyone knows wtf happened?
EDIT:
the game started and showed me couldnt connect to server or smth i just pressed esc and then f5 and decline all the time after 1 or 2 minutes it connects... and now it works for me maybe it works for u too