Avast! Offline Update 2014-10-18 – Update antivirus is offline
With the closure of the Iranian IP earlier date Khordad 1391 server  Avast for is an update of the company’s products was impossible. That’s why it’s offline antivirus update files on the server PC the data, and to provide regular, it is possible to update the antivirus will be provided to users.

After  the file and remove it just decompress it once run you updated.