For more detailed information about the CascadeInfo.cas file, please refer to the Autodesk Support Knowledge Base article found here:
For non-license related instances where your Autodesk product starts and hangs, please review this Autodesk KB on the InfoCenter:
Since you have already installed once -
search Google for Autodesk Clean Uninstall document.
You can also post it in Installation & Licensing forum to let more experts to review and reply your problem, this is the link: http://forums.autodesk.com/t5/Installation-Licensi
You may want to refer to the instructions on this web page,
I hope this helps!
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