Community
Installation problems may be resolved using the Microsoft Installer Clean Up Utility. For more information on this program, please my forum post here:
http://forums.autodesk.com/t5/Installation-Licensing/Microsoft-Installer-Clean-Up-Utility-for-Add-Re...
For more information on the Autodesk KB Support article concerning the clean uninstall of Autdoesk products, see this link:
http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=2887771&linkID=9240617