** (process:1854): WARNING **: service.vala:222: unable to launch sound settings: Failed to execute child process "gnome-control-center" (No such file or directory)

** (process:1854): WARNING **: volume-control.vala:487: unable to sync volume to AccountsService: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: No such interface 'com.ubuntu.AccountsService.Sound'

** (process:1854): WARNING **: volume-control.vala:487: unable to sync volume to AccountsService: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: No such interface 'com.ubuntu.AccountsService.Sound'

** (process:1854): WARNING **: volume-control.vala:487: unable to sync volume to AccountsService: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: No such interface 'com.ubuntu.AccountsService.Sound'

** (process:1854): WARNING **: service.vala:222: unable to launch sound settings: Failed to execute child process "gnome-control-center" (No such file or directory)