1. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
2. Locate the service name, right click it and select Delete
It is always advisable to have a regedit backup prior to performing this task.
The second choice is the sc command
This command is also used to manually create services
The complete syntax options for the sc command line utility is:
SC is a command line program used for communicating with the
NT Service Controller and services.