Is a very old, maybe from 4.1 and still in the .image.
The first time I see this also ask, maybe looking in the archives some response could help.

> On Mar 23, 2017, at 21:26, Chris Cunningham <cunningham.cb at gmail.com> wrote:
> 
> In a fully up to date trunk image (windows/64bit, but I don't think that matters), if I drop a *.morph on the desktop, i get this funny dialog:
> <image.png>
> 
> The funny part is that it has 2 options for "load as morph".  One should be sufficient.
> 
> -cbc
>