Windows .exe hmm can any one tell me why it doing this

[AndersWithTheCat]

this have happen to me yesterday and keeps doing it even reintalled ftb(deleted all fils and download it again) and i don't know whats worng , http://puu.sh/4Px7p.jpg

 

[Staxed]

looks like graphical artifacts to me...is your driver updated for your graphics card?

What type of graphics card do you have? Make sure it's seated properly and hope the drivers fix it...