犯错误 - 我该如何解决这个问题？

I have many C files and I have built it by Visual Studio 2005 by commandline using a makefile. All the object files are produced correctly and the linking process also works, but the final *.exe is not produced. At the last line, there is the error below. I understand nothing. Can anybody help me?I have many C files and I have built it by Visu