Try the following,
Right click the â€œMy Computerâ€ icon and select â€œManageâ€
From the left hand column select â€œDevice Managerâ€, now at the bottom in the right column should be â€œVSO Devicesâ€
Click the + next to â€œVSO Devicesâ€ to expand it and right click on â€œPatin Couffin Engineâ€ and select â€œUninstallâ€
Click â€œOKâ€ in the dialog that opens, now close all open windows and reboot.
After you have rebooted click Start>Run and paste the following in and click OK
Now open BlindWrite5, does it work?