Occurs Privacy warning error in Excel

When I was working in my MS-Excel 2007, I got a regular error message relating to Privacy warning. What is the this? It's very irritating to me. I tried to solve this in many ways. But, It is not possible for me. You can see in my picture.

Microsoft Office Excel
Privacy warning: This document contains macros, ActiveX controls, XML expansion pack information, or Web components. These may include personal information that cannot be removed by the Document Inspector.
OK Cancel
