To manage services, use this consoleMsconfig provides a quick-and-dirty troubleshooting tool, but for long-term management, you'll want to use the Services console (Services.msc). Click the Status heading (1) to sort all the running (Started) processes into a group. Use the command buttons (2) to start, stop, pause, or restart a service. For quick testing, use the Stop and Restart links (3) in the sidebar, where you'll also find descriptions of the selected service.
For a detailed discussion of when and how to manage services, see Fixing Windows Vista, Part 4: Get smart about services