This week the folks at Ubisoft are transitioning between servers for their massive data library and while this operation goes on, many of their games, even ones that do no require an internet connection for gameplay, will be rendered completely unplayable. This is because Ubisoft employs a DRM (Digital Rights Management) system which checks to make sure the copy of the game you're using is legitimate each time you start the game up - if the server where this check occurs is down (as it is now), you will be unable to play these games entirely. In other words - it's not just you, it's every single person who owns a list of games from Ubisoft until the end of February the 8th.
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