Are you running CMA 3.6 or McAfee Agent 4.0 on that server?
Go to the McAfee ServicePortal and search for KnowledgeBase article KB52633 – Multiple instances of Udaterui.exe and Mctray.exe running on Windows Terminal Server.
NOTE: You can access the KnowledgeBase anonymously, but some articles are available only to logged in users.
It sounds like this what may be happening on your Win 2k3 server.
Let us know if this helps resolve your issue or not!