Hi Jose:

> You will need to use the following Windows API's.
>
> OpenSCManager
> OpenService
> ControlService with the SERVICE_CONTROL_STOP paramater.
> CloseServiceHandle
>
> I'm sure you can find samples of using these on Deja for whatever compiler
> you are using.
>
> yes, I'm need stop ibguard and ibserver.
>
> thanks
>
> José Rodríguez

I have a dll and inno setup script for installing, uninstalling,
starting and stopping service.
You can use the source in the dll to see what you need to do. It is in
Delphi.

Let me know by e-mail if you want it.

Best regards