Update Help

I am getting this message at the update. Does anyone know what I need to do?

Information about current update:
Last encountered error: Can’t select any server for downloading (from 0).

Total time: 1 s

Download servers.def file from http://files.avast.com/iavs4x/servers.def and save it to the

c:\program files\alwil software\avast4\setup

directory.