Archived from groups: alt.games.command.and.conquer (More info?)
I had the same problem and it turned out to be a problem with the Unofficial
Maps. Delete them and then try again.
In article <jIOdnQoRbaf8q6rcRVn-uA@giganews.com>, firstname.lastname@example.org (Blowfly)
>We've been playing Generals at work for a few weeks now. 2 of us upgraded our
>machines and reinstalled the game.
>Now when either of us goes into the Lan Lobby to create a game, no other
>players can see the new game. The only person that can create a playable game
>is the one computer that didn't change.
>Here's the basic changes: Both machines went from Windows 2000 to Windows XP.
>Now we're all running Generals on XP.