When clicking the Poll Now button, the browser redirects to an error page. The page displayed in Chrome says:
No data received
Unable to load the webpage because the server sent no data.
Here are some suggestions:
Reload this webpage later.
Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection without sending any data.
This only happens in Chrome and Firefox, and is not an issue with IE 10.