OK, that's what I was guessing, but wanted to be sure.

There are a couple reasons I've seen this.

First reason: at some point in the past, you have a LAN interface enabled in your hardware that is currently disabled (down in the BIOS, for example). When you enabled the LAN hardware, the machine booted, Windows did a hardware scan, found the interface and added a network connection in the Control Panel for it. Later, when you disabled the LAN hardware in the BIOS, the interface was still there, but the drive cannot bind to the hardware, since the hardware is no longer "seen" by Windows.

Second possible reason: The hardware is still there, but for some reason, the network bindings are broken or need to be reset.

I'm just back from a water board meeting and I'm whacked. Gonna go to bed. If it can wait until next Friday, flip me an email or post again and we'll figure out what is going on. Those unused interfaces shouldn't be hurting anything, they're just extra/unused cruft in your Windows installation now.