>I need to make sure our software is not copied to multiple hard disks. I will be writing away an encrypted number to be calculated from a computer's hard disk serial and or processor serial.
>
>Is there any API or DLL/FLL that can do that. I have tried GetVolumeInfo() but a volume serial can be changed or Ghosted.
>
>Any ideas about how to uniquely identify a machine?
>
>Bernard
Look at file #9805