Need a little bit more info m8ty
Like what system are you running ,what version of cdclone,what settings are you using,what speed are you reading and writing at?,what make are you reader and re-writer?
Try
www.elaborate-bytes.com and check for compaterbility for cdclone for your re-writer.
Post back and i'm sure we'll be able to help.
I have backed up the uk/pal version with no problems whatsoever.