i installed wine and after that a game named the witcher.The installation goes well until i run the game and i get an message tha says tha the driver need to be installed with an administrator acount with an option to proceed an then a n error message unable to proceed error 1450 .after that one more message that tells me insufficient privileges you must be an administrator when you run this aplication for the first time i cant find any solution on this .an that kind of error on google pops up answers for win 7 not for ubuntu.....