Everything just takes me back to the Setup screen on the Dashboard.

I think I misspoke, or miswrote. http://slideshow does work. Nothing else does. And, yes, I really meant http://app and http://slideshow, respectively, I messed up writing it up ... Anyway, the problem is still that the other native or built-in apps are not accessible, as you mention in the last mes...

One additional fact - when I install apps, and click on the link - for instance //hda/slideshow - it just takes me back to the setup page.

I have attempted to install Amahi three times with the same result; installation seems to go smoothly, HDA comes up (router has DHCP off, DNS points to my Amahi server), and it seems to be functioning well - I am able to upload documents to the file shares. But the built-in apps are not showing up; ...