Article ID: 937353 - View products that this article applies to.
When you use Microsoft Expression Media to try to open an Expression Media Notepad (.ivn) file, you experience the following symptoms:
Typically, this behavior occurs when the computer that is running Expression Media is behind a Microsoft Internet Security and Acceleration (ISA) firewall. In this case, the ISA server may block the document-type definition for the .ivn files.
To resolve this behavior, install the ISA client on the computer that is running Expression Media.
Steps to reproduce the behavior