http://blogs.msdn.com/b/robgruen/archive/2007/08/17/referencing-sharepoint-assemblies-on-x64bit-installs-causes-build-errors-for-asp-net-apps-in-vs-net-2005.aspxYou may encounter the following error if you are trying to build a ASP.NET application or web service on a x64bit machine where Sharepoint is installed: Error 1 Could not load file or assembly 'Microsoft.SharePoint.Search, Version=12.0.0.0, Cultureen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/robgruen/archive/2007/08/17/referencing-sharepoint-assemblies-on-x64bit-installs-causes-build-errors-for-asp-net-apps-in-vs-net-2005.aspx#4437683Sat, 18 Aug 2007 01:56:49 GMT91d46819-8472-40ad-a661-2c78acb4018c:4437683MSDN Blog Postings » Referencing Sharepoint Assemblies on x64bit Installs causes build errors for ASP.NET apps (in VS.NET 2005)<p>PingBack from <a rel="nofollow" target="_new" href="http://msdnrss.thecoderblogs.com/2007/08/17/referencing-sharepoint-assemblies-on-x64bit-installs-causes-build-errors-for-aspnet-apps-in-vsnet-2005-2/">http://msdnrss.thecoderblogs.com/2007/08/17/referencing-sharepoint-assemblies-on-x64bit-installs-causes-build-errors-for-aspnet-apps-in-vsnet-2005-2/</a></p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=4437683" width="1" height="1">