I tried the stasyQ one, I was in the middle of the video when the program suddenly crashed.
I couldn't really find anything specific but this error keeps popping up in the event viewer:
09/08 18:28:52.069 {!ERROR!} [OAF ERROR]
Setup\SetupManager.cpp(257) : Missing NUX Steps (OVR62650857) (1971039)
It pops up at the time the game crashed but there are actually around 20/30 entires with this error in the event viewer during the time I tried the game.
As for the dungeon scene. In the early part of the scene when she walks out you can see the moving block you attached the sound source to (the footsteps walking away from you) in bright purple :-)
I can't find an output_log.txt (even looked in appdata to make sure).