1. How about update the patch ?
http://www.cyberlink.com/downloads/support/powerdvd/patches_en_US.html
2. Update your audio card driver.
If you still receive the error, please list your HW info and provide PowerDDV 9.log
The log can be accessed by the folder.
C:\user\User_Name\AppData\local\CyberLink\CLHelper\powerdvd9.log