outlook will not launch

From: tom (anonymous_at_discussions.microsoft.com)
Date: 04/25/04 

Date: Sun, 25 Apr 2004 06:40:45 -0700

i downloaded the newest critical downloads from microsoft
and now my outlookexpress will not launch. took computor
back 24 hrs to undo but no help. i cant get to outlook
just a window that says it needed to close even though it
never opened.anyone?????