I am getting following error while compiling the project. Still programm is executing fine No problem.(Why) and how to remove this error

--------------------Configuration: Project - Win32 Debug---------------
Making help file...
hlp\Project.hpj(1) : error:
Microsoft (R) Help Compiler
HCRTF 4.03.0002
Copyright (c) Microsoft Corp 1990 - 1995. All rights reserved.
HC5011: Error: Project.hpj :
Cannot open the file "afxhelp.hm."

Project.exe - 2 error(s), 0 warning(s)