I was having the 102100.5 problem week of 2/20/2017. I was using Chrome. Tried everything. Nothing seemed to work. Tried IE. It worked. Ran across note from Chrome that they were blocking all flash unless specifically oked by user. Type chrome://plugins in address bar. Check the box "Always allowed to run" under Adobe Flash Player". It now works...
This may be temporary.
It appears Chrome and Edge at a minimum will require a click to run each time a user accesses a site that requires flash. See
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