mfc42.dll - At your option

%sysdir%\mfc42.dll

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Description:

%sysdir%\mfc42.dll
%SysDir%\MFC42.DLL is a part of Microsoft Visual Studio.
MFC42.DLL is a library that containts the Microsoft Foundation Classes (MFC) functions.
Manufacturer: Microsoft Corp.
www.msdn.microsoft.com/vstudio