>I'm not sure you can stop this I think its default windows behaviour. If you run Notepad with a Window open it does the same thing.
>
>Somebody else may know different but I'm not sure if you can stop this.
>
>Sorry not much help really.
>
>Jon

Thanks Jon for your reply.
I think as you said that it's a windows behaviour.

The only way I see to solve this problem is to create a service.