I contacted Customer Support yesterday and received this response:
Dear Alan,
Thank you for contacting CyberLink Technical Support.
I understand your concern related with the Blu-ray playback in PowerDVD 11 Ultra and you are getting an error "CyberLink PowerDVD cannot access the storage device. Select another device when playback stops".
In regards to your concern, I would like to inform you that we are soon going to release a patch for PowerDVD 11 which will resolve this issue. I would request you to wait.
I apologize for the inconvenience.
Please feel free to contact us back for any further clarification or for any assistance related to CyberLink Products. Use the below mentioned link to get back to us for your further queries:
https://membership.cyberlink.com/support/service/technical-support.do
Thanks and Regards,
Tracy
CyberLink Technical Support