This version - with the operating mode set to RTTY and Commander running, if split is enabled, unchecks and disables the Net box; if split is disabled, enables the Net box (tnx to Iain N6ML) - when the "Default Colors" button on the Configuration window's Display tab is clicked, saves the Transmit Pane's foreground and background colors to the Windows Registry (tnx to Kevin K4VD) - reliably acts on a reported switch of primary transceiver (tnx to Art W2NRA) - when the primary transceiver switches with WinWarbler in an operating mode other than RTTY, properly updates the MMTTY's engine's soundcard selection (tnx to Art W2NRA) - when the primary transceiver switches with WinWarbler in RTTY operating mode with the 2-Tone engine not enabled, ensures that the MMTTY engine restarts Notes: 1. Update your firewall and anti-malware applications to consider this new version of WinWarbler to be "safe" 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 WinWarbler, see WinWarbler 8.6.8 is available via the DXLab Launcher or via 73, Dave, AA6YQ