I am on Ubuntu 12.04 running gnome shell 3. Everything worked fine until I updated just a few hours ago using the update package. First my default shortcuts stopped working, fixed it by creating custom ones. Now while on the desktop I can't right-click, move files to it or see the files that were there previously. However, in terminal I can navigate fine to Desktop and my files are there, except not visually on the desktop. Permissions are all set correctly. Please help. Thank you.