The following link alerts us to the Cornflicker C worm which will activate on infected computers on April 1st. The article advises that you check your computer to see if you got MS updates in March. If you did not get any updates, then in the article there is a sub-link that you need to click on to obtain more information and/or remedy/fix.
http://www.cnn.com/2009/TECH/03/24/conficker.computer.worm/
http://www.cnn.com/2009/TECH/03/24/conficker.computer.worm/