Stopping the windows wireless service?

>I have a lenovo laptop with vista business installed. I want to use the
> thinkvantage access connections 4 which is designed for windows vista and
> I
> have used this software previously.
> The problem is that the thinkvantage software keeps telling me that
> currently windows wireless service is controlling the wireless networks
> and I
> dont want it to. I have tried stopping the WLan autoconfig in the services
> menu but this switches off the radio totally and it wont switch back on.
>
> In vista I used to be able to uncheck a box which then stopped windows
> trying to connect to the wireless networks.
>
> How do I stop the windows software?