I have a problem in the viewport

Greetings
I have a problme in the viewport where it shows me a weird view:
https://drive.google.com/file/d/0BwycNBpObUl6b1h2VW5JWVFrTU1fNjVxaUpwLWt4X25ZaV9v/view?usp=sharing
It happened when I drag an object
Can you help?
Thanks
Comments
What video card/GPU do you have? Are your driversup-to-date?