if you are a geek read http://confickerinfo.com/conficker-prevention/ & http://confickerinfo.com/conficker-recovery/
if not;

Conficker Worm is scheduled to be activated on April 1st 
The web has not seen the likes of this type of infection since Zlob and Virtumonde
Microsoft has allocated $500,000 to identify its creator. 
read on to remove Conficker Worm just in case you have it

Step 1: Open Internet Explorer Go to Tools>Windows Update make sure you are up to date with patches.

Step 2: Scan your pc Online with Microsoft Live Scanner
http://onecare.live.com/site/en-us/default.htm?s_cid=sah


Step 3:Download Downadup Removal Tool from 
Symantic Website 
http://www.symantec.com/security_response/writeup.jsp?docid=2009-011316-0247-99


Trend Micro’s Cleanup Engine
http://www.trendmicro.com/download/dcs.asp
or 

Malwarebytes
http://download.cnet.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html

Step 4:Update your virus definitions.

see also
http://www.us-cert.gov/cas/techalerts/TA09-088A.html
http://en.wikipedia.org/wiki/Conficker

C:\conficker\>cd.._