We have created an Facebook App using Unity3D. This App is loaded in Firefox, Safari and Chrome, but not in IE: In IE (9) the download image for the Unity3D plugin is shown.
The plugin itself is installed and the app runs, if the IE Developer Tools window is opened and the Refresh button is pressed …

Any hints?

To test: Log into Facebook

When I look in the developer tools of IE I’m seeing the following errors. IE is probably getting tripped up on one of these errors while the other browsers are ignoring them.

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