Unity 3D is not working...

Hey, after a day of intense gaming i open up Unity 3D Free to continue my game and it doesn’t work anymore…

Here’s a screenshot: http://puu.sh/auoIh/02c17093ee.png

I can interact with the program like using right click and using “File, Edit, …” on the top of the screen, but unless that, i can’t do anything, i can’t move or anything…
Thanks

The screen shot looks like Unity is open with a blank (new) project.

yes it is a blank project because I reinstalled unity multiple times but there was no changes, the same problem

Did you go to File → Open Project and open your project?

Even this, I can’t do anything…