Error code

Windows ERROR_SERVICE_ALREADY_RUNNING

WINDOWSERROR_SERVICE_ALREADY_RUNNING
System Error Code· A POSIX/system errno returned when a system call fails.

What it means

An instance of the service is already running..

How to fix it

  1. Check the service state in services.msc before starting it.
  2. stop the service first if you intend to restart it.
  3. ignore the error if the service is already in the desired state.
  4. avoid duplicate start scripts or triggers.

Not affiliated with Windows. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.