ارجو المساعده من اهل الخبرة ضروري جدا

1>------ Build started: Project: project, Configuration: Debug Win32 ------

1>Build started 08/03/2012 11:46:08 م.

1>InitializeBuildStatus:

1> Touching "Debug\project.unsuccessfulbuild".

1>ManifestResourceCompile:

1> All outputs are up-to-date.

1>LINK : error LNK2001: unresolved external symbol _mainCRTStartup

1>c:\users\امجد\documents\visual studio 2010\Projects\project\Debug\project.exe : fatal error LNK1120: 1 unresolved externals

1>

1>Build FAILED.

1>

1>Time Elapsed 00:00:00.71

========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

#include<iostream.h>

main()

{

cout<<"welcome world\n";

}