Summary When building a Microsoft Visual C++ 2005 project, you may receive a message when linking that resembles the following: SourceFile.cpp: fatal error C1382: the PCH file 'FileName.pch' has been rebuilt since 'SourceFile.obj' was generated. Please rebuild this object Solution This is a known issue in Visual Studio 2005, and Microsoft has a hotfix for it: 921211. Applies to Product versions: All OS versions: Windows