Help, Trying To Backup Yuris Revenge !

[Sl8r2001]

Hey,

I just baught comand and conquer red alert 2, yuris revenge for the pc and i am trying to back it up incase it get ruined when i lend it my mates,

when trying to create an image of the cd using 'Clone CD' i get the following error messages :

'Failed to read Sector 815'
'Failed to read Sector 836'
'Failed to read Sector 856'
'Failed to read Sector 861'

and so on.......

its really starting to p**s me off.

if anyone could tell me what im doing wrong or how to create a working backup of this game then i would be most greatful..