Create or Delete A Service in Windows XP

To Create A Service
Start Run and type cmd in the Open: line. Click OK.
Type: sc create
Reboot the system

To Delete A Service
Start Run and type cmd in the Open: line. Click OK.
Type: sc delete
Reboot the system
If you prefer to work in the registry rather than through the command prompt to delete services;
Click Start Run and type regedit in the Open: line. Click OK.
Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
Scroll down the left pane, locate the service name, right click it and select Delete.
Reboot the system