I am not aware of any way to do that in WS-FTP LE 12 but, you could try going to
start > control panel > hardware and sound > change system sound > then scroll to the WS-FTP sound section and make any changes there.
I am not aware of any way to do that in WS-FTP LE 12 but, you could try going to
start > control panel > hardware and sound > change system sound > then scroll to the WS-FTP sound section and make any changes there.