Fedora 17 LXDE - After logging in Desktop does not shows up. Just wallpaper & Cursor

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http://forums.fedoraforum.org – Hey I am having a weird problem. My laptop has Fedora 17 LXDE spin. Everything was working fine. Today when I booted it and login screen appeared without any pain ( http://bit.ly/RXhFGv ) When I logged in ( bit.ly/QvTavQ ) , I ended up at this - ( bit.ly/Pz5CKb ) - Just a Blank screen, with my wallpaper and mouse cursor. Desktop, application,etc nothing would show up. One problem I guessed could have been - My harddrive might be full ( 100% ) - so I booted it from live CD and deleted some files to create some space. But that did not helped. If someone can help me how to debug o (HowTos)