Intel@ GM965 Driver problem while installing Bluestack

Hello guys ,i was trying to install bluestacks for my laptop compaq presario 785tu ,which one have Intel @ GM965 integrated graphics card so , it was giving me graphics error to update the graphics driver but my driver was upto date still it was giving me error .

Error_img_bluestack

to i googled it more then i tried this Intel’s Graphics  Accelerator then

downloadmirror.intel.com/18223/a08/win7_1512754.exe
bluestacks started to work !!
all the best guys