Updates have messed up my ubuntu 11.10 HELP PLEASE!!

Ive recently installed updates in oneric, when i rebooted my gnome theme was gone, My discs no longer mount in media folder, flash player was gone and my video card was messed up. Ive manged to fix most of the problems after many hour on google and in terminal. however I still cant open the my computer location from the places menu (gnome classic view) also Cd´s/DVD´s are not recognized / mounted Ive googled like crazy but cant find a solution anywhere. I´m getting an error dialogue box when I click on computer in the places menu : Could not open location 'computer://' mode not supported