Note 2: Relaized that I posted in the wrong forum. I’ll request moderator move.
Additionally, I followed the advice here: http://community.wd.com/t5/WD-TV-Live-Streaming/Some-of-my-mp4-video-files-play-but-I-can-t-see-the-video-I-only/td-p/743612
Downloaded Media info, and doesn’t matter which file, all are profile 4.1, and none are 10-bit. Info returned for both movies (LAC and Lorax again) is identical aside from bitrates.