Storyline Course stops in Chrome

I am new to Articulate, but I am confident I am having the same issue as Mark.  Constructed online "game", output is HTML5.  It is running on a web server.  When it initially launches from the URL it plays in all browsers, but if you leave and return to the game the page does not load in Chrome and Edge.   We have tracked it down to an open string.  The issue seems to be related to the key, something with "5uLAN2Ksmpp" placed on the local machine... looks like for tracking.  I am using variables to keep a running score for the participant, but I can't determine if that is the issue or not.  Bottom line...  I need to figure out how to fix this issue quickly.  Can't roll out to the campus if it doesn't play in our primary browsers.  Thank you for your help. - AL