At random times, the Unity GUI will do something like this;
It’s happened across two laptops now, both with Nvidia cards, if that makes a difference, both running Windows 7 x64.
yh that happens alot to me its if something really big is running in the background or you got to much ram
Have you tried reinstalling Unity? Also, that doesn’t look like the Windows 7 interface, it looks like the Windows XP interface… You can contact the actual company which might yield better results.
As an addition, I tinkered with the Nvidia Control Panel settings and turned off most of the features. This seems to have helped significantly. Certainly enough that it is now usable.