If your program doesn't appear in the list, it hasn't been registered and can't be set as the default program using Set Program Access and Computer Defaults. For assistance, contact the manufacturer of the program.
The only options are for browser, email and media players, messaging and virtual machine – no software choices.
Eric, if that's all it took, I would have done it a long time ago

There's just no obvious way to get the Editor to show up as an option. When you browse to the Editor, there is no .exe file there.
Found it! The file is way down the list, totally separate from the HTML Editor

So... from Browse, it's Computer>C>Users>Name>AppData>Roaming>CCSoftware>"Coffee"
Good, now Dreamweaver can go ByBy