Here is one example
the DIV element is a child container element. The SCRIPT block inside the DIV element tries to modify the BODY element. The BODY element is the unclosed parent container of the DIV element.
5: document.body.innerHTML+="sample text";
This is by Design,so, upgrade to latest IE :)
For more information
Why do I receive an "Operation aborted" error message when I visit a Web page in Internet Explorer?