FarmVille 2’s requests envelope require third-party cookies to function properly. Internet Explorer users can find out if their browser is blocking third-party cookies and data by following the steps listed below.
1.) Click on the gear icon found at the upper right side of your browser and choose Internet options.
2.) Go to the Privacy tab and click the Advanced button.
3.) Ensure the Accept bubble is filled underneath third-party cookies. If it isn't checked, it's likely fine but to eliminate any possibility of incorrect behavior, tick the box and select Accept under third-party cookies.
4.) Click the OK button to apply these settings.