If you're running this on a server, delete the following file;
C:\Program Files\Microsoft Deployment Toolkit\Templates\Distribution\Scripts\Autorun.inf
and try again.
If you're running this on a server you may be having an issue with the Autorun.inf file in;
C:\Program Files\Microsoft Deployment Toolkit\Templates\Distribution\Scripts, or wherever you installed MDT 2012.
Remove the file and try again.
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