>HI,
>
>I have a Control Panel in an WPF App that handles some App Configuration Issues like Languaje, Pack, backup, Restore....
>
>After some of the Tasks the App should be ReInitialized. Is there any way to do it?
>
>Thanks,

Rather than re-starting the app you could consider using dynamic resources and resource dictionaries.
http://msdn.microsoft.com/en-us/library/ms752326.aspx
The approach can be used to completely 're-skin' an app on the fly....