Scott B's dashboard

One day I opened Songbird and the "welcome, thank you for downloading Songbird" screen came up as if I had just installed it, even though it had been installed for a few weeks already. After that my custom bookmarks and my smart playlists were gone, including the default ones such as "Most Played". My normal playlists are still there. I've tried creating new smart playlists which work until I close songbird, the next time I open it they're gone again. Any Suggestions?