I am getting an error
Close Designer 9.
Open the folder containing the 'DSF' file.
Try to copy the file into a different folder, or onto a USB memory-stick.
Do you still get the same error-message?
If so, then the problem is that your disk-drive has a problem;
your problem is _not_ a problem with the Designer 9 software.
Your disk-drive could be "dying". Backup all your important files.
Consider replacing the disk-drive, before it COMPLETELY fails.
on Oct 25, 2017