+ AA6YQ comments below
This was new behavior but today it's working fine, go figure.
+ Did you reboot Windows between the time when it wasn't working and the time when it began working?
Which is the preferred selection in Callbook tab?
+ The options differ in their coverage, accuracy, speed and cost. I subscribed to QRZ's "XML Data" service because is it fast, reasonably comprehensive, and reasonably accurate. However, before mailing a QSL card that requires significant postage and/or "donation", I use Pathfinder to check all available online sources of QSL information; agreement among multiple sources increases my confidence that a QSL card will reach its intended destination.