You posted this as a new message rather than adding to the original
thread so no one knows what you are talking about. Best to keep to the
original thread.
One thing that's making it hard for you is that you're using the web
interface which doesn't work very well. Try using a newsreader. XP
comes with one, Outlook Express, though there are other good ones
available too. See this link for setting up OE for newsgroups: