Nvidia shadowplay problem

Hi everyone!
I have some problem with shadowplay
I cant enable shadowplay because on/off button dont work
this window always gray and dont swith on

I try to reinstall nvidia driver with DDU, but nothing chandges

Can anybody help me with my promlem?

My system :
laptop msi gt60 2pc
win 8.1
i-7 4710mq
8gb ram

yea, shadowplay was worked some month ago, before GFexperience automaticly update to
newest version
intalling old version of gfexp dont help me too

This isn’t a CUDA programming question, which is the subject of this forum category. You may get a better response in another forum such as a GeForce forum.