I think this is the bug you are referring to http://bugzilla.audacityteam.org/show_bug.cgi?id=513. Try using the dropdown menu at the top of the track you are analyzing to move that track to the top of the project.
Please be careful with XP. It is a security risk given Microsoft no longer supports XP with patches. See https://forum.audacityteam.org/t/audacity-not-saving/35590/3
Gale