Assetto corsa strange white pixels

Do you guys see strange white pixels playing Assetto Corsa? I only see it in Assetto Corsa, I hope my card aint faulty..this guy describes exactly whats the issue...
http://www.reddit.com/r/assettocorsa/comments/33odfn/artifactsflickering/

It can hardly be seen when driving, but noticable at some level ;-(