If you are using Window Defender Antivirus (Windows 10), update it to its latest malware definition in https://www.microsoft.com/en-us/wdsi/definitions before installing or upgrading to Commander 15.4.4 This release - while controlling a K4 with "Communicate via TCP" enabled, if the TCP link state is "peer is closing", closes the TCP connection to the radio (tnx to Kevin K6TD and Gordon N1MGO) - supports the undocumented FT-757GXII meter reading CAT command (tnx to Hans PA3AZA) - When controlling a Flex Signature radio, provides "Slice X => VFO A" and "Restore VFO A" buttons beneath the Main window's Mode panel (Tnx to Mike W0MU and Joe K8FC) --- clicking the "Slice X => VFO A" button saves the state of VFO A, and copies the state of the active (in SmartSDR) slice to VFO A --- clickint the "Restore VFO A" button restores the last saved state of VFO A - provides a "New Xcvr Delay" setting in the "UDP Network Service" panel on Commander's "Network Service window (tnx to Larry K8UT and Ron KK1L) - supports the THETIS panadaptor, with interconnection via serial port or TCP (tnx to Scott WU2O) - updates the ChangingFrequency.htm, CommandSequences.htm, Configuration.htm, index.htm, NetworkServe.htm, and UsingMemories.htm documentation files Notes 1. Thanks to Scott WU2O for the loan of an Apache Anan 100D so that I could test Thetis support 2. Update your firewall and anti-malware applications to consider this new version of Commander to be "safe" - 0 of 65 antivirus scanners accessible via Virus Total detected malware - 0 of 15 antivirus scanners accessible via Jotti detected malware - submitted for online analysis by Microsoft Windows Defender: no malware detected 3. If this upgrade doesn't work correctly, see the "After an Upgrade" section of http://www.dxlabsuite.com/dxlabwiki/ApplicationStoppedWorking Commander 15.4.4 is available via the DXLab Launcher and via http://www.dxlabsuite.com/download.htm 73, Dave, AA6YQ