Update failing for Google Chrome [duplicate]

Software update is failing at Chrome:

Reading package lists... Done
W: GPG error: http://dl.google.com stable Release: The following signatures were invalid: BADSIG A040830F7FAC5991 Google, Inc. Linux Package Signing Key <[email protected]>

I've tried deleting and re-installing the Google key:

sudo apt-key del A040830F7FAC5991
wget https://dl-ssl.google.com/linux/linux_signing_key.pub
apt-key add linux_signing_key.pub 

Anyone else having issues?

Open a terminal and enter the following:

wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -

That will import Google's updated GPG Key. You should be able to update the system without any errors.

Worked for me on Ubuntu 14.04.2

Source: Google Linux Repositories