Problem:
Language:
Tools in use:
Solve the Problem:
check / correct the paths for ATL- and MFC-Includes at: Project -> Properties -> Include Directories
What might be wrong In your D:\Users[USERNAME]\AppData\Local\Microsoft\MSBuild\v4.0\Microsoft.Cpp.Win32.user.props (or other Property-Sheets), the Include Directories-Property might have been overwritten.
Background-Knowledge VS6 used to split ATL and MFC into two different paths:
In VS2010 the basic path to ATL or MFC is
So it might be, that in your project $(VSInstDir)atlmfc is set, instead of the two separated paths. If you correct that, everything should work fine.