I have tried to install Autodesk Revit MEP 2014 from Autodesk Design Building Suite premium. My PC configuration is
Windows 7 64Bit,12GB RAM, Intel Xeon Processor, Nvidia Quador FX 2000 Graphics card.
when I tried to install its shows error "Autodesk Revit 2014 is already installed". I tried to install from Deployment as well as from Media source but the error is same. I checked with "Unlicense tool" which is provide by Autodesk but its not shows anythhing in this. I have cleaned up registry also but still its shows same error. I need your people help to solve this problem.
It looks like you installed and uninstalled the software before. And the uninstallation process was not succesful.
Try to fix the problem using Fixit. Read this knowledge base how to do it: http://usa.autodesk.com/getdoc/id=TS21891972
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