Hi,
It seems this is a compatibility issue; please visit the following website for more information:
Autodesk - Microsoft Windows 7 and Windows Vista Compatibility
Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
You could install a product which supports Windows 7 or install Windows XP mode in your system to install the old one.
Download Windows XP Mode
Alex
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