A user asked
I have several calendars in the navigation pane. If I select a different calendar and untick the first one it remains listed in the title bar and taskbar. If I go to the Inbox and come back to the calendar, the names are correct.
This bug is a limitation in the ability of Outlook 2003 and Outlook 2007 to refresh the window when you select and deselect calendars and is fixed in later versions of Outlook.
This "bug" is also evident with custom views made for specific folders. The views available are for the calendar folder listed in the title bar and taskbar, not for the selected calendar. The views don't reload when you click the checkbox to show or hide a calendar. When you open the calendar module, the views for the selected calendar folder load - while selecting a calendar from the list (or its tab, if already selected) just selects that calendar to view, it does not refresh the folder so its views aren't loaded (and the Calendar name in the taskbar and title bar doesn't change.)