Hi DaveF,
I will suggest you to reinstall PowerDVD under following steps. But first be noted, the reinstallation steps would delete all personal setting (playback setting, imported media in library, cover art setting, etc.) which you previously configured for PowerDVD.
1. Uninstall PowerDVD
2. Select "No" when dialog popped up to ask if keep personal setting
3. Delete two "PowerDVD16" folders at below installation path:
The Default installation path if you didn't change during setup is:
--"C:\Program Files (x86)\CyberLink"
--"C:\Users\{USERNAME}\AppData\Local\CyberLink"
4. After Windows reboot
5. Install PowerDVD
6. Import the ISO into TV show library and check.
Let me know if the problem persist.
Kind regards
Hicham
Technical support:
EN: https://www.cyberlink.com/support/contact-support.jsp
DE: https://de.cyberlink.com/support/contact-support.jsp
FR: https://fr.cyberlink.com/support/contact-support.jsp
ES: https://es.cyberlink.com/support/contact-support.jsp