There is a mastering fault in the startup menu that causes the 3D version to play incorrectly on many players or crash the player altogether. See this thread: https://www.hometheaterforum.com/commun ... dd.325408/
There are two workarounds to "fix" the problem, as described here:
https://www.hometheaterforum.com/commun ... s/4030008/
...and here:
https://www.hometheaterforum.com/commun ... s/4033902/
Likewise, there are issues with the "7.1 surround optimization" feature and it is best disregarded altogether:
https://www.hometheaterforum.com/commun ... re.320891/
Lions Gate acknowledge the problem (and supplied one of the workarounds) but did not issue a recall or replacement.