cant open my nivida control panel

[choas]

I download a new driver and now I cant open my nivida control panel my screen goes black after playing wow so I think it my be my 3d vision that messing up so is there a way to disable it or should I go back to factory setting as far a my video card goes can I have no problem with anything but games

 

[gokul36]

your Graphic card model? and OS u r using ?