Running version 2.5.4
Windows 7 Pro
"Add to Call3.txt" dialog box will not close regardless of which button (Yes/No/"X") is selected.
Click ADD on the WSJT-X main window when the call/grid already exists in CALL3.txt file.
Dialog box is presented notifying that the call already exists.
Dialog box does not close and WSJT-X has to be killed from the Task Manager.