>    Sound       --> application hangs, see below "Play With Me - 8"

> *) "Play With Me - 4"    -> I cannot change
>    to the next page of the document, and hangs

> *) And every time I select a "move to trash" (circle with X inside) for
> a morph
>   object the application hangs

I believe these problems can be solved by disabling sound:

  Select "help" -> "turn sound off" from the background menu.

The system does not hang, it is trying without success to play sounds
(you can interrupt with alt-.)
 
Greetings, Juan.