How do you stop an unstoppable Windows Service?

You may encounter a Windows Service in Services that has the buttons for Start, Stop, Pause and Resume greyed out.  If you attempt to stop the Service using sc stop [servicename], you encounter the error message: "The requested control is not valid for this service."  To resolve this issue, please perform the following steps:

1. Click Start - Control Panel - Administrative Tools - Services.
   
   
2. Double-click the relevant Service.
   
   
3. Change the Service Start-Up Type to Disabled.
   
   
4. Click Apply.
   
   
5. Click OK.
   
   
6. Hit CTRL-ALT-DEL on your keyboard.
   
   
7. Select Task Manger.
   
   
8. Perform an End Task on the relevant Service.

This issue has been resolved.

http://www.smartnetadmin.com