Help to solve a Parsing Error

while loading some pages of my site(www.borghiecitta.net) using Internet Explorer 8, the following Parsing Error is showed:

Message: HTML Parsing Error: Unable to modify the parent container element before the child element is closed (KB927917)
Line: 0
Caracter: 0
Code: 0
URI: http://www.borghiecitta.net/?page_id=35

can you help me to solve this problem? it's the first time I use wordpress, and I have not a great experience on it...

my e-mail is: spilloo@libero.it

thanks a lot in advance !