Retroarch RGUI Help

Guys, whenever I load up retroarch.exe I don’t get the RGUI menu, all I get is a white screen. I don’t know what I did wrong, could someone help me?

Maybe it’s for your video driver, which one are you using: d3d, opengl? opengl it’s supported for version 2.0 and up, which windows OS?

I don’t have opengl 2.0, so I guess I can not play. Thanks for helping me.