I have a auto-playlist (Top 25 Most Played) with tracks in it that have a PlayCount of :
14
3
2
When I add PlayCount as a column header in the track view and click on it so the arrow is up, it sorts the list in this order:
14
2
3
When I click so the arrow is down it sorts in this order:
3
2
14
If I set a custom sorting option of PlayCount, ascending and select this as the Sort By selection, it sorts in the proper order:
2
3
14
So the bug is in the action that happens when the user clicks on the PlayCount header in the track view.