I brought a Dictionary(Longman,dictionary of contemporary english), and it attachment a CD. After install the software of CD, it need to check that CD randomly by date. That CD was abrade for frequently taking out the CDROM from PC and NB. I afraid that CD will abrade to seriously to be used!
So I use the copy software(CloneCD,Nero...) to backup that CD. The copy procedure was succeed, but the backup CD canot pass the verified. I try some searching on google, and finding that the protect technical was Safedisc 2.20.000. I canot find any solving method on internet about that. Could anyone can give me a hand?
Thanks a lot!