[could not think of a name]

Recently i had a problem with mohaa so to fix i reinstalled it and it didnt help. So i formated my hd and installed mohaa. However now i cant play it at all everytime i start the game it kicks me back to desktop and in the console it says "Could not load opengl subsystem" Somebody please help im desperate, i reinstalled mohaa and it didnt help so give me any suggestions you have.

Thanks in advance