Same problem, and right after i dropped money on the season pass, too. Downloaded + registered the missing dll, and now it's an "application unable to start (0xc000007b) error instead. Multiple people in this thread say it's an issue between battlEye and windows 7, so they at LEAST really should've warned us that people will be unable to play on win7 from this season on before anyone paid or preordered for the coming content...