Got this only once but it was weird let me know if it is something
game related...

http://kt600a.servehttp.com/snap/vo/somethings-wrong.png

You probably warped/loaded while the Vendetta window was partially off the screen, or partially overlapped by another window. The background renderer uses the clip region of the screen window in the nvidia OpenGL drivers, though it shouldn't - it's supposed to render to an off-screen buffer.

ok thought i just check