I think I got it figured out. Yesterday my McAfee suite poped up a warning that I hadn't updated in a while, even though I have it set to manual updates and have evrything in the suite turned off. I ignored it.
Last night I ran the update and no discos since. Somehow, even though it won't connect to the Internet on it's own, when the warning pops up it disco's me. That also explains the intrusive, periodic (evey hour and a half) disco.
Anyway, I hope that's it.
Sorry Skuzzy. I was just frustrated.