Hi malware fighters,
Find hidden users, and other security measures to make XP more secure, read this article:
http://www.pcw.co.uk/personal-computer-world/features/2161596/improve-xp-security
With Microsoft Baseline Security Analyzer 2.0 you can tweak even more security issues. Get it from here:
http://www.microsoft.com/downloads/details.aspx?FamilyId=4B4ABA06-B5F9-4DAD-BE9D-7B51EC2E5AC9&displaylang=en
polonus