Google Chrome has recently started disabling the Adobe Flash Player plugin by default.
This means that pages that rely on the Flash plugin will stop working until this is manually re-enabled.
To change the setting in Chrome, Click the ( i ), (Secure) or padlock button in the browser address bar at the top of the screen.
OR
This will open a menu with the permissions for the page.
Find the option for "Flash" and make sure this is set to "Always Allow on this page". Then select the "Reload" button that appears at the top of your screen before trying again.