Hi Dieter,
Thanks for writing in !
This would require detailed investigation. Please get in touch with us through Support Portal https://supportportal.gemalto.com/csm/ or mark an email to technical.support@gemalto.com along with the following details:
- Share the Operating system details.
- Share the screenshot of device manager.
- Version of Superpro SDK/library being used.
- Share if it is working on any other machine.
Regards,
Gaurav Bhanot