Illustrator CC "not Responding" to "open" Command in OSX 10.9

Hello,

I just upgraded my iMac from Snow Leapord to Mavaricks 10.9 and Illustrator CS6 or Illustrator CC will not respond when you try and open a file. I tried Clicking on File/Open and also Cmd+O and it will not bring up the open dialog and will not respond and I have to force quit the program. If you double click on a file it opens but when you try and save it, the same thing happens, not responding and have to force quit. It also happen in Photoshop.

Any help would be great.

Thanks

n.d.