Why does some local content, such as an instructional CD-ROM, not work properly in Internet Explorer?
Internet Explorer blocks active content, such as that on some instructional CD-ROMS, by default.
Files opened by Internet Explorer in the Local Machine zone are subject to new Local Machine Lockdown settings. This restricts the settings to prevent malicious code execution from gaining access to objects located on your computer. When other applications host HTML, they are automatically exempted from the new Local Machine zone settings.
Symptoms of a failure related to this change appear on the Internet Explorer Information Bar, providing notification that content was not loaded due to the security settings in place. One example of this would be for CD-ROM content that utilizes HTML and scripting for interactive content or other actions.
If you wish to allow the content, there are a couple of options.