Install the One Care trial -
http://onecare.live.com/standard/en-us/install/install.htm If you can access this link you most likely you are not infected with Conficker.
If you can't access the One Care download site then it is possible you may be infected but it may not be Conficker since many malware packages block access to security sites. Everything you need to know about Conficker and how to remove it-
http://windowssecrets.com/comp/090330
Jim - MVP Windows Live - Forum Moderator - Live One Care - Live Mesh