No r5194 is before 2.0 (it's r53XX). I've just retried the game with 2.0 it works fine. Try r7590 wait 30 seconds on start screen because it's slow and if it doesn't work post your settings maybe something to change I don't know...
[color=#ff0000][color=#006600]i5 3570K @ 4.5GHz/GTX 660 Ti/RAM 4GB/Win7 x64[/color][/color]