If you are using Window Defender Antivirus (Windows 10), update it to its latest malware definition in before installing or upgrading to PropView Pathfinder 5.3.3 This release - gracefully handles the arrival of new directives when a previous directive is still in progress (tnx to Paul W2ECK and Jose N4BAA) - compensates for recent QRZ changes to nickname rendering (tnx to Andy K0AF and Jose N4BAA) Notes: 1. Update your firewall and anti-malware applications to consider this new version of Pathfinder to be "safe" Virus total: 3 of 66 engines detected malware Jotti: 0 of 13 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 Pathfinder, see Pathfinder 5.3.3 is available via the DXLab Launcher and via 73, Dave, AA6YQ