ERROR WITH SEQUENCE (Error playing media file) Musical

[kodiakdjd]

this has been happening since switched to S4.  Also tried S5, same intermittent issue.

my shows will start and somewhere during the show, the show stops and get 

ERROR WITH SEQUENCE (Error playing media file) Musical:

forever . . .

happens at different spots playing sequences,

for halloween, i had to restart whenever that ERROR occurred and started looping.

christmas never get past a few minutes when it starts.

I am using video to a projector attached to my computer.

dan

[Don]

Are you running a cloud sync service? Dropbox, OneDrive, etc? If so, are you running the files FROM the sync directory? If so, terminate the process that controls the sync, and see what happens.