Dual screens on Windows

> Hi,
>
> I hope this is the right place to ask. If not please let me know.
>
> I'm using Squeak on a Windows machine with dual monitors. If I stretch the
> Squeak window across both screens, lock and unlock Windows, the Squeak
> window will have shrunk back to a single screen and repositioned all the
> browser windows in that screen.
>
> Is this a bug or expected behaviour in Squeak?
>