Hi there…
just updated to version 6.0.3 and now my video dont works proprely.
The video itself works fine but not sounds wave below the frames, which mean
not sounds at wall. I’ve been through many way to fix it but not solution…
“Extract audio from video” is ticked,
The files is compatible with C6 (MPEG and AVI)
Drag-and-drop from media bay and pool.
not sound at all… 
cheers
L.