65

I just upgraded to Visual Studio 2017 Community Edition and I have trouble loading standard header files. I get 507 errors from various header files. Here are some snippets:

Some of the errors:

Severity Code Description Project File Line Suppression State Error (active) E1696 cannot open source file "errno.h" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cerrno 7 Error (active) E1696 cannot open source file "float.h" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cfloat 7 Error (active) E0282 the global scope has no "acosf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 629 Error (active) E0282 the global scope has no "asinf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 629 Error (active) E0282 the global scope has no "atanf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 630 Error (active) E0282 the global scope has no "atan2f" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 630 Error (active) E0282 the global scope has no "ceilf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 630 Error (active) E0282 the global scope has no "cosf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 631 Error (active) E0282 the global scope has no "coshf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cmath 631 Error (active) E0282 the global scope has no "swprintf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 21 Error (active) E0282 the global scope has no "swscanf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 21 Error (active) E0282 the global scope has no "ungetwc" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 21 Error (active) E0282 the global scope has no "vfwprintf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 22 Error (active) E0282 the global scope has no "vswprintf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 22 Error (active) E0282 the global scope has no "vwprintf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 22 Error (active) E0282 the global scope has no "wcrtomb" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 23 Error (active) E0282 the global scope has no "wprintf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 23 Error (active) E0282 the global scope has no "wscanf" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 23 Error (active) E0282 the global scope has no "wcsrtombs" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 24 Error (active) E0282 the global scope has no "wcstol" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 24 Error (active) E0282 the global scope has no "wcscat" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 24 Error (active) E0282 the global scope has no "wcschr" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 25 Error (active) E0282 the global scope has no "wcscmp" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 25 Error (active) E0282 the global scope has no "wcscoll" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 25 Error (active) E0282 the global scope has no "wcscpy" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 26 Error (active) E0282 the global scope has no "wcscspn" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 26 Error (active) E0282 the global scope has no "wcslen" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 26 Error (active) E0282 the global scope has no "wcsncat" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 27 Error (active) E0282 the global scope has no "wcsncmp" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 27 Error (active) E0282 the global scope has no "wcsncpy" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 27 Error (active) E0282 the global scope has no "wcspbrk" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\cwchar 28 Error (active) E0282 the global scope has no "wcsrchr" RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools Error (active) E0260 explicit type is missing ('int' assumed) RPGWorld c:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.10.25017\include\xtgmath.h 212 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\Glsl.inl 40 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\Texture.hpp 159 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\VertexArray.hpp 64 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\VertexArray.hpp 72 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\VertexArray.hpp 88 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\VertexArray.hpp 104 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\Graphics\VertexArray.hpp 129 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 58 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 332 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 345 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 365 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 387 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 387 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 399 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 413 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 413 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 427 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 427 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 456 Error (active) E0757 variable "size_t" is not a type name RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\packages\sfml-system.2.4.0.0\build\native\include\SFML\System\String.hpp 456 Error (active) E0020 identifier "rand" is undefined RPGWorld c:\Users\Fazil\Documents\Visual Studio 2017\Projects\Local\RPGWorld\RPGWorld\Blocks.cpp 23 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10 Error C1083 Cannot open include file: 'corecrt.h': No such file or directory RPGWorld c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.10.25017\include\crtdefs.h 10

I never had this issue with Visual Studio 2015 Community Edition. Am I missing some component from the Installer? Any help would be appreciated. Thank you!

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6 Answers 6

Reset to default
93

I got the errors to go away by installing the Windows Universal CRT SDK component, which adds support for legacy Windows SDKs. You can install this using the Visual Studio Installer:

enter image description here

If the problem still persists, you should change the Target SDK in the Visual Studio Project : check whether the Windows SDK version is 10.0.15063.0.

In : Project -> Properties -> General -> Windows SDK Version -> select 10.0.15063.0.

Then errno.h and other standard files will be found and it will compile.

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5 Comments

I mean, why wouldn't half the standard library break in the Win10SDK? Thanks for figuring this out!
I would like to say that this link also help me fix the problem. stackoverflow.com/questions/43410631/…
I can't find Project->test properties etc
Thanks, you save my time. Cause I build cocos2dx game from Visual Studio, and it miss file string.h, math.h..., install your sugggest Window Universal CRT SDK, it works like a charm.
how do you open this "Modifying MSVS" window?
30

If the problem is not solved by above answer, check whether the Windows SDK version is 10.0.15063.0.

Project -> Properties -> General -> Windows SDK Version -> select 10.0.15063.0

After this rebuild the solution.  

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2 Comments

For some reason this was needed. In my case SDK 8.1 was selected. On changing to 10.0.15063.0 it worked.
the simple answer is keep the sdk version of your project in properties and the same installed on your machine
9

If anyone's still stuck on this, the easiest solution I found was to "Retarget Solution". In my case, the project was built of SDK 8.1, upgrading to VS2017 brought with it SDK 10.0.xxx.

To retarget solution: Project->Retarget Solution->"Select whichever SDK you have installed"->OK

From there on you can simply build/debug your solution. Hope it helps

enter image description here

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8

I upgraded VS2017 from version 15.2 to 15.8. With version 15.8 here's what happened:

Project -> Properties -> General -> Windows SDK Version -> select 10.0.15063.0 no longer worked for me! I had to change it to 10.0.17134.0 and then everything built again. After the upgrade and without making this change, I was getting the same header file errors.

I would have submitted this as a comment on one of the other answers but I don't have enough reputation yet.

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1 Comment

It did not worked 10.0.17134.0 but 10.0.17763.0 worked for me
1

This problem may also happen if you have a unit test project that has a different C++ version than the project you want to test.

Example:

  • EXE with C++ 17 enabled explicitly
  • Unit Test with C++ version set to "Default"

Solution: change the Unit Test to C++17 as well.

Screenshot

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0

If the instalation of Windows Universal CRT SDK as described in the acceped answer did not help. Try to check this:

In case the directory "C:\Program Files\Windows Kits" exists on your system ensure that it contains "10/Include" and "10/Lib" subdirectories. If not create hard links there to thoose present in your "C:\Program Files (x86)\Windows Kits\10"

Explanation: As you can see from C:\Program Files (x86)\Windows Kits\10\DesignTime\CommonConfiguration\Neutral\uCRT.props the path "C:\Program Files\Windows Kits" is prefered over "C:\Program Files (x86)\Windows Kits" if it exists!

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