SW2008 tree filter box

I have done several installations of SW2008 here and on acouple occasions I have found that the tree filtering box ends upon the secondary tree pane rather than the primary pane. Doesanyone know a reason for this?

The main reason this is important is that the hotkey to collapsethe tree only works in the primary pane, not the secondary pane, soI would want the tree in that primary pane, and the configs in thesecondary.

WTSolidworksUser Interface