Just downloaded latest changeset 8729919d87a2 from codeplex. When try to run prepare.bat get this error:
SGEN : error : Could not load file or assembly 'file:///C:\Users\Administrator\Downloads\nopcommerce-8729919d87a2\nopCommerce_8729919d87a2\src\packages\PdfSharp\MigraDoc.DocumentObjectModel.dll' or one of its dependencies. Operation is not supported. (Exception from HRESULT: 0x80131515)
This image shows how I resolve this issue
but why I get this error?