This issue has been addressed in the following KB, which can fix the issue."Error: ArcGIS Engine Controls fail to build using Visual Studio 2010 on a 64-bit OS"<a href="http://support.esri.com/en/knowledgebase/techarticles/detail/37879" target="_blank">http://support.esri.com/en/knowledgebase/techarticles/detail/37879</a>