Steps to update google chrome :
Click the Chrome menu and click on About Google Chrome.
Chrome will automatically check for updates
Chrome tells you "Updating Google Chrome..." while it checks for a newer version.
If Chrome finds updates, it will automatically download them - Click "Relaunch" to install them
When Chrome relaunches, you should be running the latest version
Chrome now tells you "Google Chrome is up to date.
Contact for further details on google chrome technical support via http://www.it-customerservice.com/google-chrome-customer-service