Community
Your product is failing to install because the prerequiste program required by the installer is newer than the version being installed. Please uninstall the prerequisite program causing the issue and run your installer again.
For more information about this process, please see my KB link here:
http://forums.autodesk.com/t5/Installation-Licensing/Some-Products-Fail-to-Install-Result-1603/td-p/...
.NET Framework issues can be resolved using the .NET Framework Cleanup Tool. More information about this tool can be found at my discussion thread here:
http://forums.autodesk.com/t5/Installation-Licensing/NET-Framework-Cleanup-Tool-for-Unhandled-Except...
Good Luck!