I somehow got this launchpad effect
https://www.dropbox.com/s/irckm1ubzqi8vz0/Schermafbeelding%202013-06-15%20om%201 2.47.33.png
and
https://www.dropbox.com/s/xlwuitwerz6ry9a/Schermafbeelding%202013-06-15%20om%201 2.47.49.png
I was just moving Adobe Illustrator into a launchpad folder when that happened..
Now all my applications seem to have dissapeared from launchpad
https://www.dropbox.com/s/oh6fm76paahgedq/Schermafbeelding%202013-06-15%20om%201 3.28.57.png
OS X Mountain Lion (10.8.4)