Services that I have disabled for Windows XP:
Distributed Link Tracking Client
Help and Support
Indexing Service
IPSEC Services
Messenger
Net Logon
NetMeeting Remote Desktop Sharing
Network DDE
Network DDE DSDM
QoS RSVP
Remote Desktop Help Session Manager
Remote Registry
Routing and Remote Access
Secondary Logon
Security Accounts Manager
Security Center
Server
Smart Card
System Restore Service
TCP/IP NetBIOS Helper
Telnet
Terminal Services
Uninterruptible Power Supply
Universal Plug and Play Device Host
WebClient
WMI Performance Adapter
References used:
TweakHound’s Super XP Tweaking Guide – bad tweaks list.
Dutch digest of XP and Vista help pages by PcLeek.com.
sysinfo.org, Startup Application list.
Security Task Manager ‘known processes‘ by A. Neuber.
Tuning the Windows environment – disable services