How to overcome this security issue

Question

I have implemented an ajax-polling script that calls an action in the server Controller every 10 seconds. With the response, I replace the content of a div:

Answer 1

If there is even one element whose src attribute begins with "http" instead of "https" in your code, IE will show that message.

Are you sure that the data you 're fetching has no elements that have src="http:// ... " in their src attribute?