Thanks, David. I'll do that appdata delete. Once I've done so, though, where do I get the flashplayer that HF wants for testing? Will any version of Flash Player do? And how to I set up so that Lime correctly uses the right Flash Player application?
Gama11, the Stencyl thing is the least of the issues. Can you help with any of the others?
Ashiq, you're essentially saying that there's nothing for it: I should redo everything on a brand new OS. Is that really the best option? If things aren't 100% perfect out the box, you're f'd for life with Haxe? I very seriously hope not.
A lot of my issues come down to not knowing where to set where Lime/Haxe look for things. It's not just the PATH variable. Where do I make changes to where it looks for Visual Studio, Flash Player, etc.? And why does the HTML5 page just say "not found"?
P.S. This forum's scrollbars-within-scrollbars extremely annoying.