Problem in hard disk

hello , please , i have a problem, i am downloading the game is divided into 3 parts, the computer was working normally when i've uploaded the first part, but when i download the second part i then turned off the computer and then turn it on again appeared to me this message before entering the desktop

( SMART Failure predicted on hard disk0 : ST9250315AS-(PM)
WARNING : immediately back-up your data and replace your hard disk driver. A failure may be imminent.
press F1 to continue )

and when access to the desktop show me this message
http://www.hostingpics.net/viewer.php?id=93248620140406124657.png

name of game ( BMW M3 Challenge )

after it has completed loading the game i move outside the computer became a show me this message after login to the desktop
http://www.hostingpics.net/viewer.php?id=73151520140407114731.png

RAM 2 G