I cant play game, graphics driver out of date

SC 1,
i have HD graphics 4000, Radeon HD 7600M,
yesterday, i saw message, Graphic driver out of date
but i cant driver update, because, DUAL graphic driver
not offer update file,

i dont understand, why this game need update graphic driver

This is currently a known concern with our Starcraft community. We have a forum thread ongoing here: