Slideshow export to movie - like watching paint dry

using lr cc updated on macbook pro running sierra 10.12.1, 2.4ghz i5 8gb ram.

 

started export of 67 photos taken variety of cameras , scanned ones mixture of raw, tiff , jpgs have editing done.

 

monitoring disk activity find has written 6mb in 3 , half hours on ssd  internal drive has 50gb free space.

 

this can't right! doing daft? rather doubt quite experienced lr user.

 

what shall do?

 

do abandon project? should first export images jpgs create new cat those?

 

sensible answers appreciated.

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