When controlling a Flex Signature transceiver, this version prevents erroneous triggering of the “failure to QSY” detector when responding to a band change initiated by selecting a memory, by clicking a Band button in the Bandspread window, or by responding to a directive from another application (tnx to Rich N5ZC, Scott N2SAB, John N1JM, Rod, W7ZRC, and Kent N6WT) Notes 1. Update your firewall and anti-malware applications to consider this new version of Commander to be "safe" - VirusTotal: 1 of 71 scanners detected malware in this version's executable: "Suspicious.low.ml.score" is an heuristic detection by Trapmine indicating that a file is potentially malicious; it is often a false positive. - 0 of 13 antivirus scanners accessible via Jotti detected malware 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 Commander, see Commander 16.3.4 is available via the DXLab Launcher and via http://www.dxlabsuite.com/download.htm 73, Dave, AA6YQ