If you are using Window Defender Antivirus (Windows 10), update it to its latest malware definition in before installing or upgrading to DXView 4.7.9 This release - correctly plots QSOs with small differences between the active station's longitude and the spotting station's longitude (tnx to Iain N6ML) - improves the accuracy of Lat/Lon to Grid sub-square calculations (tnx to Iain N6ML) - in the World Map window's Plot panel, fully displays the "Filtered QSOs" caption - informs the user if unable to interoperate with GoogleMaps - if DXKeeper is running, *** when the callsign, cont, CQ, ITU, or IOTA labels in DXView's Main window are double-clicked, directs DXKeeper to filter its Log Page Display by the specified callsign, continent, CQ zone, ITU zone, or IOTA tag respectively *** when the prefix, entity, or code labels in DXView's Main window are double-clicked, directs DXKeeper to filter its Log Page Display by the specified DCCC entity *** when the grid label in DXView's Main window is double-clicked, directs DXKeeper to filter its Log Page Display by the specified 4-character grid square (all tnx to Mike ND9G) - updates the Operation.htm documentation file Notes: 1. Update your firewall and anti-malware applications to consider this new version of DXView to be "safe" Virus total: 0 of 71 engines detected malware Jotti: 0 of 15 engines detected malware Microsoft Security Intelligence: no malware detected 2. If this upgrade doesn't work correctly, see the "After an Upgrade" section of 3. After upgrading, to revert to the previous version of DXView, see DXView 4.7.9 is available via the DXLab Launcher or via 73, Dave, AA6YQ