If you are using Window Defender Antivirus (Windows 10), update it to its latest malware definition in before installing or upgrading to DXView 4.9.0 This release - corrects a defect in gray line prediction when the DX location is in all-day darkness or all-day sunlight - enables plotting of a logged QSO that doesn't specify a DXCC prefix - with the ARCO panel set to TCP, clicking the Serial button correctly makes the "Serial Port Interface" panel appear (tnx to Bill NY9H) - on startup, only displays the Translations window if that window was enabled and displayed when DXView last terminated (tnx to Norm W4QN) - 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 14 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 4.9.0 is available via the DXLab Launcher or via 73, Dave, AA6YQ