I\'m forced to rebuild my machine from factory default. Everything should be the same, IIS version (7.5), OS (Windows 7), and my website files. However, something is differe
i was in the same situation as you looking for XML.
i found the solution.
in web.config file ,at the top of the file, there is a xml section. delete the content below, this solve my issue, later on the site can be opened.