Thanks, had a go with the debug .exe
17/08/2020 12:22:28 PM - font=[FontFamily: Name=Segoe UI]
17/08/2020 12:22:28 PM - refresh thumb done
17/08/2020 12:22:28 PM - size={Width=250, Height=103},display=96,font=[Font: Name=Segoe UI, Size=8.25, Units=3, GdiCharSet=1, GdiVerticalFont=False],height=15
17/08/2020 12:22:28 PM - file=C:\Users\Ryan\Music\Music Library\Logic\Logic - No Pressure\Logic - Soul Food II.m4a
17/08/2020 12:22:28 PM - get file info
17/08/2020 12:22:28 PM - done
The loading symbol eventually stops and is replaced by the icon.