There are quite a few services you can disable from starting automatically.
This would be to speed up your boot time and free resources. They are only suggestions so I suggestion you read the description of each one when you run Services and that you turn them off one at a time.
Some possibilities are:
- Alerter – Sends alert messages to specified users that are connected to the server computer.
- Application Management – Allows software to tap directly into the Add/Remove Programs feature via the Windows Installer technology.
- Background Intelligent Transfer Service – The Background Intelligent Transfer service is used by programs (such as Windows AutoUpdate) to download files by using spare bandwidth.
- Clipbook – ClipBook permits you to cut and paste text and graphics over the network.
- Error Reporting Service – Allows applications to send error reports to Microsoft in the event of an application fault.
- Fast User Switching – Windows XP allows users to switch quickly between accounts, without requiring them to log off.
- Help and Support – Allows the XP Built-in Help and Support Center to run.
- IMAPI CD-Burning COM Service – You don’t need this if you have other software to create CDs.
- Indexing Service – Indexes contents and properties of files on local and remote computers; provides rapid access to files through flexible querying language.
- IP SEC – Manages IP security policy and starts the ISAKMP/Oakley (IKE) and the IP security driver. If you are not on a domain, you likely don’t need this running.
- Messenger – Transmits net send and Alerter service messages between clients and servers. This is how a lot of pop-up windows start appearing on your desktop.
- Net Logon – Supports pass-through authentication of account logon events for computers in a domain. If you are not on a domain, you don’t need this running
- Network DDE – Provides network transport and security for Dynamic Data Exchange (DDE) for programs running on the same computer or on different computers.
- NT LM Security Support Provider – Provides security to remote procedure call (RPC) programs that use transports other than named pipes.
- Performance Logs and Alerts – Collects performance data from local or remote computers based on preconfigured schedule parameters, then writes the data to a log or triggers an alert. If you don’t need to monitor your performance logs, then you don’t need this service.
- Portable Media Serial Number – Retrieves the serial number of any portable music player connected to your computer
- QOS RSVP – Provides network signaling and local traffic control setup functionality for QoS-aware programs and control applets.
- Remote Desktop Help Session Manager – Manages and controls Remote Assistance. If you are not using Remote Desktop you don’t need this service.
- Remote Registry – Enables remote users to modify registry settings on this computer.
- Routing & Remote Access – Offers routing services to businesses in local area and wide area network environments. Allows dial-in access.
- Secondary Login – Enables starting processes under alternate credentials. This is what allows you to run an application as another user.
- Smart Card – Manages access to smart cards read by this computer.
- Smart Card Helper – Enables support for legacy non-plug and play smart-card readers used by this computer.
- SSDP Discovery Service – Enables discovery of UPnP devices on your home network.
- TCP/IP NetBIOS Helper – Enables support for NetBIOS over TCP/IP (NetBT) service and NetBIOS name resolution. This should not be needed in today’s network environment.
- Telnet – Enables a remote user to log on to this computer and run programs, and supports various TCP/IP Telnet clients.
- Uninterruptible Power Supply Service – Manages an uninterruptible power supply (UPS) connected to the computer.
- Universal Plug and Play Device Host – Provides support to host Universal Plug and Play devices
- Upload Manager – Manages synchronous and asynchronous file transfers between clients and servers on the network.
- Volume Shadow Copy Service – Manages and implements Volume Shadow Copies used for backup and other purposes.
- Web Client – Enables Windows-based programs to create, access, and modify non-local files across the Internet.
- Wireless Zero Configuration – Provides automatic configuration for the 802.11 adapters
- WMI Performance Adapter – Provides performance library information from WMI HiPerf providers.