The Windows XP service can be seen as an application running in the background, which is designed to provide system users with the corresponding functions. Let's play WinXP service and reduce unnecessary system resource waste. First, start, prohibit the service Open "Control Panel → Administrative Tools → Services", we can see all the enabled and not enabled services in the current system. In the "Properties" → "General" tab of the service, you can see the status of the service in the "Service Status" column. Click the Startup Type drop-down menu to set the service to autostart, manual launch, or disable. two. Adding and deleting services In the "Services" window of Windows XP system, you cannot add or delete services. The common methods are as follows: Method 1: Modify the registry Type "regedit.exe" in "Start → Run" to open "Registry Editor", expand the branch "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services", in the right pane, the service items installed locally. If you want to create a new service, just click "Edit → New → Item", then name the item, such as "test"; then right-click the item and select "New → String Value" or "New → DWORD Value" . Add a service item to add the following key values: "DisplayName", string value, corresponding service name; "Description", string value, corresponding service description; "ImagePath", string value, corresponding to the service program Path; "ObjectName", string value, value "LocalSystem", indicating local login; "ErrorControl", DWORD value, value "1"; "Start", DWORD value, value 2 for automatic operation, value 3 Indicates manual operation, a value of 4 indicates prohibition; "Type", DWORD value, application corresponds to 10, and other corresponds to 20. In addition, you need to create a new "Enum" item under "test". Follow the steps above to add the QQ program as a service. After restarting the computer, open the "Services" window and you will see the QQ service just added. If you want to delete a service, just delete the relevant key value in the registry. In this case, you need to delete the QQ service and delete the "HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\test" branch. Method 2: Using a third-party tool App To Service V2.7 is a small program with a command line interface. The download address is: http//www. Skycn. Com/soft/6397. Html. It can also be used to add or modify system services, as follows: 1. Add a service and press Enter. Type the following command: AppToService /Install The path and name of the program, and then press Enter again to confirm. 2. Delete service input command: AppToService /Remove A service name that currently exists. Delete all AppToService service input commands: AppToService /RemoveAll4. Start all AppToService service input commands: AppToService /StartAll5. Stop all AppToService service input commands: AppToService /StopAll Note: Here AppToService service refers to all services added through AppToService, not the original service of the system.