Hello everyone. I want to install SweetHome3d on Fedora 12 via Java Web Start. Here is what I am doing: - click on "Launch Sweet Home 3d with Java Web Start" link in Mozilla Firefox; - in the dialog box I select "Open file with: javaWS"; - after SweetHome3d.jnlp file is downloaded, nothing is happening for some time; - suddenly dialog box appears, saying that: