Since I'm in the field, I'm in receipt of a couple PM inquiries concerning the conficker worm. You know who you are!
Anyway, conficker is a worm, and some of us have it on our machines. It's scheduled to misbehave in some uncertain way tomorrow, doing all sorts of nefarious and disreputable things that would make Snidely Whiplash smile and Dudley DoRight cringe. Instead of answering the PMs, I'm answering here, since it's likely a good idea to get word out. If you don't hear from people tomorrow, it's likely they didn't fall off the edge of the earth, they just got wormed!
Here's a decent link on the subject:
and if you're into that sort of thing, here's a map of worldwide infections:
Note that it may as well be a map of the electrical grid, or of developed population centers.
Free removal tool here:
Here's a link to the direct download: http://vil.nai.com/vil/conficker_sti...r_Coficker.exe (note: clicking that link will launch an .exe directly from McAfee)
Now, if your system is patched, there are likely no worries. Please note: the world is not ending. You're probably fine. Just run the tools, make sure you're patched, and life is good!