What is your pc hardware, os info?
Do update your vga driver to the latest version?
Do you have any log?
Sorry for the delay, yes I have a log.
https://mega.nz/#!HERl3bTb!MS8qKHCrjyUgG9DIKJr3jtfrqYDEJwu_vsre3y9ugZw
(copy the entire link)
Windows 7 64 bit
Latest Nvidia Drivers (Video Card: GTX 690)