Just upgraded to High Sierra and, as expected, Express Scribe took umbrage to that. Many areas of the app are now using the "Curlz MT" font:
http://prntscr.com/h9buj5
http://prntscr.com/h9bupl
http://prntscr.com/h9busm
http://prntscr.com/h9buvv
http://prntscr.com/h9buyf
Let me guess, ES uses fonts that aren't standard on a Mac?