... via the Databases tab of DXView's Configuration window.
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Terminate DXKeeper, WinWarbler, and SpotCollector before directing DXView to update these databases.
Note: if DXKeeper, WinWarbler, or SpotCollector are running when you direct DXView to update these databases, DXView will display a small window that informs you of that fact, and directs you to terminate them before proceeding. If you do terminate those applications, then afterwards click the window's OK button and DXView will proceed to update the databases; if you don't want to terminate those applications, click the window's Cancel button, and DXView won't attempt to update the databases.