Hello,

The new version 1.5 software plays a different set of encoded streams from Netflix. These are the so called new "Advance Profile" streams whereas the 1.01 software played the less efficient "MP" streams. Some people have noticed that some titles have audio out of sync. with the video (audio delay.) Additionally, some titles won't play, the wrong title may play, or the fast forward thumbnail images will be for the wrong movie. If you experience audio sync problem, try stopping the video and re-starting it. Check to see that the problem persists. Try other titles and see if you can identify the problem is with the one specific title. If you identify a movie or TV show that has audio out of sync. it is probably a content encoding issue with Neflix.

Any help will be apprecited.

I didn't find the right solution from the Internet.

References:
https://forums.roku.com/viewtopic.php?t=18781
Creative Video Productions

Thank you.