I bought the game few months ago, finished it and recently I started to play it again everything went fine except errors with synchronizing saves with server. But today I playde the game rebooted my PC and when I tried to Launch AC II Ubi Game Launcher starts updating and when it's about 3 percent finshed it suddenly loses transfer rate and then just shuts down without any notification. I tried several times it's still the same.
I have original retail copy, in fact White Collectors Edition. And everything used to be fine. Please help me