Arya,
Completed a full system scan with theMicrosoft safety scanner - no viruses found.
I also re-ran all of the steps in the Methods you mention above, just to be sure I did not miss anything.
Mircosoft's Fix It can't fix it
The the unknown devices show-up in safe mode - can't uninstall them
The unknown devices show-up in clean boot (with only Mircosoft services running) - can't unistall them.
Re-checked Dell and all other installed hardware maufactures sites for updates - I have the latest drivers.
This unknown device (a Aswebr Miniport) has no physical presence on my PC or network and there is no thrid party software on the PC installing, controlling, using or calling for it. I'm guessing it has to be OS related - perhaps something to do with the MS Virtual WiFi Mninport Adapter, the MS 6to4 Adapter and/or the MS ISATAP Adapters e.g.Terdo Tunneling.
??
I'm at a complete loss of ideas here.
Jay