stuck at 10% loading of tutorial

When I try to load the tutorial, it stops loading at about 10%; my browser is firefox; it runs on a netbook with Linux

Hi WinfriedG,

We are sorry that this happened to you!

Can you check if you have latest Flash Player installed, and if not try to install it?

You can easily do it at : http://get.adobe.com/flashplayer/

EteRNA team