Here are the results when I ping the cube and from an IP scan.
This doesn't seem to even read the cube as being functional. If there weren't lights flickering I would have thought it was DOA.
Hmmm....that suggests it can't see your Cube at all—I had thought that because you sometimes got the beginnings of a webpage that there was something else at play.
Unfortunately, I know next to nothing about Windows networking, and since you have lights, it's most likely a networking issue. I can't see anything set up incorrectly in your screenshots.
Can you strip everything off your network except one computer and the Cube? No smartphones, tablets, or other PCs? If you have multiple Ethernet ports on your router, I'd start with plugging both your PC and your Cube directly into the router with no hubs or switches or anything.
Alternately, can you take your Cube to a friend's house and test it there? Bonus points if your buddy is a Windows guru.
If you can establish that it works *somewhere*, it should help isolate the trouble on your network. If, on the other hand, it doesn't work elsewhere, you can stop pulling your hair out about your network.
I wish I could be of more direct help.