We get asked this question a lot, so I wanted to give you the easiest way to find the problem.

Why do I get a "This page contains both secure and nonsecure items." (using IE7) or "Do you want to view only the webpage content that was delivered securely?" (using IE8) error?

Error from IE7:

Error from IE8:

To find the cause of the error, if using IE7 click "Yes" and if using IE8 click "No".

Once the page loads, view the source (Right Click, View Source).

Search for http: (include the : )

Any reference to http: in a HREF tag can be ignored, as that is just a link.

However, you will likely find the http: reference in an IMG SRC tag, or when trying to include a javascript file, or a hit tracker, etc. These http: references should be changed to https: to correct the error.

Here is a sample of http: being used in the IMG SRC tag incorrectly, for a secure page:
<img border="0" src="http://your_ssl_url.com/images/logo.gif">
That would need changed to a secure URL like:
<img border="0" src="https://your_ssl_url.com/images/logo.gif">