Dear Tim, If you have changed computers it may well be that your CD is not corrupt, but it is that without very good alterations to the operating system they do not work. There is also a copyright issue with copying. The copyright is held by the Attorney General of the NSW Government. Sincerely, Bill > > I have the set of NSW KAWare disks produced by RMIT back in 1995 and have > had them since about 1998 but I have managed to scratch the Fed disk and > can > no longer use it. And somehow the BIRTHS.DSP and BIRTHS.DPT files on the > backup copy I made are corrupt and crash the app whenever I try to display > a > result set on screen. It is very frustrating.