In fact, you needn't open that file, it is encrypted, but our program can read it.
Now, just save it to your desktop, then click
on the main form of Ideal DVD Copy, click "Import Key File" to import it, then try to copy this dvd again, and our program will know how to copy it.
We've already ulpoaded this file to our server, you may ignore the above method, just re-open Ideal DVD Copy and try again, you should succeed.