The following is a list of services that can be set to manual in Windows XP. Keep in mind, this is only a tweaking tutorial.
Right click on your My Computer icon, either on your desktop or in the start menu. Then click manage. Now go to Services & Applications > Services.
SAFE SERVICES TO SET TO MANUAL
WARNING 
Services should be set to manual. Never disable a
service. HMOS is not responsible for any data loss, corruption, or
damage to your version of Windows XP.
Right click on your My Computer icon, either on your desktop or in the start menu. Then click manage. Now go to Services & Applications > Services.
SAFE SERVICES TO SET TO MANUAL
Services should be set to manual. Never disable a
service. HMOS is not responsible for any data loss, corruption, or
damage to your version of Windows XP.
- Windows Time
- Secondary Logon
- Print Spooler ::: If you do not have a printer
- Computer Browser ::: If your computer is not on a network
- TCP/IP NetBIOS Helper
- Remote Registry
- Alerter
- Distributed Link Tracking Client
- Indexing Service
- Uninterruptible Power Supply
- Upload Manager
- Wireless Zero Configuration ::: if you do not use a Wireless adapter
- Fast User Switching capability
- Internet Connection/Internet Connection Sharing







