I had this problem with the last version too. I start the app and if I choose simple then the iphone and the arrow key it just sits there with the spinning thing. the ipsw file is in the directory with it. iPhone1,2_3.1.2_7D11_Restore.ipsw is in there but I can't do anything. if I choose expert mode I see the box for choose your file but clicking on it does not do anything.