sgen.exe

VS 2010, win server 2003, .Net 3.5 solution, which were migurated from .Net 1.1 All projects in solution are Delay signed. The soluton can be build successfully for Debug, but always failed for Release with following error. SGEN : error : Could not load file or assembly 'AssemblingX , Version=1.0.5000.0, Culture=neutral, PublicKeyToken=xxxxxxxx' or one of its dependencies. Strong name validation failed. (Exception from HRESULT: 0x8013141A) The AssemblingX is the project i want to build. All referenced DLLs of this project are saved at local folder, and signed already. If i change the property