+ AA6YQ comments below
From the log page display, right click on the QSO and choose Update from LoTW.
+ After this operation completes, please attach the file
LoTW_UpdateSingle_ADI.txt
+ from DXKeeper's Databases folder to an email message, and send the message to me via
aa6yq (at) ambersoft.com
+ so that I can see what's going on.
73,
Dave, AA6YQ