my computer says....

From: Julie (anonymous_at_discussions.microsoft.com)
Date: 05/30/04 

Date: Sun, 30 May 2004 07:36:02 -0700

While doing anti virus protection, my computer says Please run the patch from related information to resolve this vulerability but I don't knowhow to do it. FYI, I re-install my system recently.
 My printer also is not working but virus protection seems more important for me. What did I screwed up big time?
my e mail is, Juli3355@Optonline.Net. Thanks in advance.