IntelliSense: #include file , includes itself C++ visual studio 2010

How to fix these errors at: http://ift.tt/1GueFKB [Catacomb Commander] I compiled it on Visual Studio 2010 with the following errors bellow. I tried "#include guard" and/or "#pragma once" but again errors.

Error 1 error LNK2001: unresolved external symbol _mainCRTStartup   C:\Users\Toshiba Satelite-PC\Documents\Visual Studio 2010\Projects\CataEngine.h\LINK    CatacombCommander
Error 2 error LNK1120: 1 unresolved externals   C:\Users\Toshiba Satelite-PC\Documents\Visual Studio 2010\Projects\CataEngine.h\Debug\CatacombCommander.exe CatacombCommander
Error 3 IntelliSense: #include file "c:\users\toshiba satelite-pc\documents\visual studio 2010\projects\cataengine.h\CataEngine.h" includes itself  c:\users\toshiba satelite-pc\documents\visual studio 2010\projects\cataengine.h\cataengine.h    40  1   CatacombCommander