It sounds like it's a network problem. At that point it's doing a wget to pull the config settings you chose on our server. If wget returns an error, it will report it. but maybe it's hanging. when you login, what happens when you do:
Does it succeed? Also, in the installation wizard on our site, on step 8, if you choose the option to show all the software it will install, does that work? That uses the same back end to retrieve your configuration.