Previously before this Anniversary Update release i having an issue on my gpu driver. My laptop is Dell Vostro 3300 which has two GPU one is built in at the processor and another one standalone. So yesterday just had my update for this version 1607 build. So i try my luck to use my old driver which is for windows 7 switchable driver for nvidia. Seem it went through the installation and able to use now. So for those who having a same issue like mine can try it out now.