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Asked: 2026-06-08T20:49:24+00:00

I’m trying to create a new C++ project in VS 10, and can’t even

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I’m trying to create a new C++ project in VS 10, and can’t even get an empty project to load from the template. I get an error…

The “exists” function only accepts a scalar value but its argument “$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props” evaluates to “{~}” which is not a scalar value.

The {~} value is what I have stored in the LOCALAPPDATA variable in the computer Environment Variables, concatenated with “\Microsoft\MSBuild\v4.0\Microsoft.Cpp.Win32.user.props” at the end.

I’m reluctant to go changing any template files without understanding what’s going on.

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1 Answer

  1. Editorial Team

    The links provided by @Mihai gave the information I needed to find a solution. The problem was that LocalAppData didn’t have the value it was looking for (just what the error message says). I couldn’t change that data because other apps had modified it for their own purposes (the value wasn’t “~”, that was a placeholder for this post).

    Instead, I opened the .vcxproj file in Notepad, and modified the ImportGroup nodes causing the error. Instead of the attribute:

    Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')"

    … it now reads

    Condition="exists('$(UserProfile)\Local Settings\Application Data\Microsoft.Cpp.$(Platform).user.props')"

    The project now loads.

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