Trend Micro is the culprit lately in a lot of install fails.
I have the same prob with inventor 2014, then I read http://blog.jtbworld.com/2012/09/how-to-solve-problem-when-setup-says.html
I went to HKEY_CLASSES_ROOT\Installer\Products\ and looked at the description, I found the file realted with Inventor, started with 195or something, it I deleted that, and found out I can reinstall it
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