I was so p***** off with this problem I asked for a refund under the 30 day rule or whatever it is. The refund of course never arrived., I never expected it to. Anyway I decided not to waste any more time chasing it and just never buy Cyberlink again.
So...... like others here I upgraded to driver to 306.97 when it came out, it was just the same.
However …....now the good news …........ the build 2215 patch fixed this for me and now PD 11 works great with my Nvdia GTX660 ti card.
Looks like the problem was not Nvidia's after all, but I probably will buy Cyberlink again. The software is great when it works.