Are you using an internal CD drive or an external one connected through USB? If you're using an external drive you might want to try plugging the drive into a different USB port on the back of your computer.
How many characters are in the file name for the database? Sometimes long file names can cause problems.
Are you sure that the CD was closed during the burning process?
Try making a copy of the CD and see if the copy produces the same results.
Check to see if any other programs are trying to access the database file. If the file is being accessed you might not be able to copy it.