need help with ubuntu

[salahnasser]

hi guys
i have aproblem with ubuntu and that i can't download anything
because of this error

http://img121.imagevenue.com/loc215/th_60146_Untitled_122_215lo.jpg (http://img121.imagevenue.com/img.php?image=60146_Untitled_122_215lo.jpg)

and when i put df -h it shows this

http://img103.imagevenue.com/loc849/th_60148_Untitled2_122_849lo.jpg (http://img103.imagevenue.com/img.php?image=60148_Untitled2_122_849lo.jpg)


how can i fix the problem
i am new to linux

[slayer2005]

When u save it,save it in 1 of the desktop folders as there shortcuts to both drives.