You can change the startup type of the Services with the help of following command :
C:\>sc config wuauserv start= disabled
[SC] ChangeServiceConfig SUCCESS
C:\>sc config wuauserv start= auto
[SC] ChangeServiceConfig SUCCESS
You can Start or Stop or Resume the Services :
C:\>net start wuauserv
C:\>net stop wuauserv
c:\>net resume wuauserv
C:\>sc config wuauserv start= disabled
[SC] ChangeServiceConfig SUCCESS
C:\>sc config wuauserv start= auto
[SC] ChangeServiceConfig SUCCESS
You can Start or Stop or Resume the Services :
C:\>net start wuauserv
C:\>net stop wuauserv
c:\>net resume wuauserv