Sophos safeguard plays a tone whenever it syncs with server. How to mute this tune? I am using Windows 10 machine.

Hey Shachi,

I suspect this is the standard Windows 10 notification that is making this sound, the following should help:
https://www.howtogeek.com/219703/how-to-disable-notification-sounds-in-windows-10/

Thanks! That worked.

Thanks! That worked.