Storyline Preferences - resetting to default at every start up

Thanks for the responses. It's appreciated. I have done full uninstall (with the Uninstall Helper App, etc) and fresh installs a few times over the last 3 weeks but issues still persist.

Another 'glitch' is that the Format Painter does not paint shape format features, apart from fill and stroke, such as margins, vertical alignment, autofit, etc... frustrating.

Not sure if it's a new glitch or Articulate 'fixed' something that I thought was a feature. It is getting hard to tell anymore.

@Phil - Sorry for my ignorance but what is the 'quick access toolbar'?

@Walt - Again, apologies for being such a dunderhead but in my Windows 10 virtual machine running Parallels, when I click the 'C' drive > Users all I see is a folder saying Public. I have actually no idea where apps are stored within a PC environment.