Well, I submitted a ticket when mine would not work, but as you know it now is working, though I wish it would UP the bitrate a little more, it was leaving some headroom on the DVD, but I'm straying a little...
Cyberlink Support stated that PP5.5 does NOT work in Windows 10, and to upgrade. In my case it clearly works, but I have no clue why yours does not, unless maybe my OS is an "upgrade", and perhaps your computer is "natively" Windows 10.
HP Envy Phoenix/4thGen i7-4770(4@3.4GHz~turbo>3.9)/Nvidia GTX 960(4GB)/16GB DDR3/7,200rpm/w10x64---
Canon Vixia HV30/HF-M40/HF-M41/HF-G20/Olympus E-PL5. Tape capture using 4 VCR, TBC, Elite BVP4+, Sony D8 camcorder with TBC.
https://www.facebook.com/BarryAFTT