I tunes has stopped my disk drive from working

hi , i hope somebody could help me i have just downloaded i-tunes on my advent 8117 laptop and it has somehow stopped my disk drive from working.when i go into device manager it shows up optiarc dvd rw ad-7560a ata device cant start code 10.could anyone help ?

Look here if your operating system is Vista or Windows XP: http://support.microsoft.com/kb/314060