CLHNServiceForPowerDVD21 Module is a software product for Windows developed by Cyberlink Corp.
It is reported that the following Windows processes are part of CLHNServiceForPowerDVD21 Module:
If you want to remove CLHNServiceForPowerDVD21 Module from your computer, just go to Start > Control Panel > Add/Remove programs and select CLHNServiceForPowerDVD21 Module from the list of programs.