BOOL InstallDriver( SC_HANDLE  scm, LPCTSTR DriverName, LPCTSTR driverExec )
{
    SC_HANDLE Service =
            CreateService ( scm,   
                    DriverName,   
                    DriverName,   
                    SERVICE_ALL_ACCESS,  
                    SERVICE_KERNEL_DRIVER, 
                    SERVICE_DEMAND_START,  
                    SERVICE_ERROR_NORMAL,  
                    driverExec,           
                    NULL,   
                    NULL, NULL, NULL, NULL);
    if (Service == NULL) 
    {
        DWORD err = GetLastError();
        if (err == ERROR_SERVICE_EXISTS) {}
        else  printf ("ERR: CanТt create service. Err=%d\n",err);
        return FALSE;
    }
    CloseServiceHandle (Service);
return TRUE;
}

BOOL StartDriver(SC_HANDLE  scm, LPCTSTR DriverName)
{
    SC_HANDLE Service =
            OpenService(scm, DriverName, SERVICE_ALL_ACCESS);
    if (Service == NULL) return FALSE;
    BOOL ret =
            StartService( Service,
                          0,  
                          NULL  );
    if (!ret) 
    {
        DWORD err = GetLastError();
        if (err == ERROR_SERVICE_ALREADY_RUNNING)
            ret = TRUE;
        else {}
    }

    CloseServiceHandle (Service);
return ret;
}