Hi,

The latest security updates were released last March 9. Security Updates for:
MSN Messenger 6.0 & 6.1 - http://www.microsoft.com/security/security_bulletins/20040309_msnmessenger.asp
Outlook 2002 - http://www.microsoft.com/security/security_bulletins/20040309_office.asp
Windows 2000 - http://www.microsoft.com/security/security_bulletins/20040309_windows.asp

None for Windows XP. If you are using MSN Messenger 6.0 or 6.1 and Outlook 2002, check the above bulletins.

You might want to visit http://www.pedestalsoftware.com/products/se/downloads/webscan/ to check your system for missing patches.