No sound, trimmer/timeline act sticky

Just downloaded HitFilm 4 Express and loaded some tripod shot clips I know have great audio, but can't hear any sound in edit or playback windows.  

The slider on the  trimmer seems to lurch, making it difficult to fine-tune the in and out points.  Video is also jumpy after I drag it to the timeline.

Final unrelated question-- Does the pro version have the ability to cope with .ezp files if I want to move a partially edited project from Edius to HitFilm?

My operating system is Windows 10, Intel i7, 12GB RAM.


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