Kill service with stopping status

sc queryex servicename 
taskkill /f /pid [PID]

For example:

C:\>sc queryex WSearch

SERVICE_NAME: WSearch
TYPE               : 10  WIN32_OWN_PROCESS
STATE              : 4  RUNNING
                                (STOPPABLE, NOT_PAUSABLE, ACCEPTS_SHUTDOWN)
WIN32_EXIT_CODE    : 0  (0x0)
SERVICE_EXIT_CODE  : 0  (0x0)
CHECKPOINT         : 0x0
WAIT_HINT          : 0x0
PID                : 5604
FLAGS              :

C:\>taskkill /t /f /pid 5604