Can't load C++ project

Hello,

I have this problem when I try to create a new c++ Project :

An error occurred while trying to generate project files.

Running D:/Program Files/Epic Games/4.11/Engine/Binaries/DotNET/UnrealBuildTool.exe -projectfiles -project=“D:/Project Unreal/CppProjecttest/CppProjecttest.uproject” -game -progress -2015
Discovering modules, targets and source code for game…
Messages while compiling D:\Program Files\Epic Games\4.11\Engine\Intermediate\Build\BuildRules\UE4Rules.dll:
d:\Program Files\Epic Games\4.11\Engine\Source\Runtime\FriendsAndChat\FriendsAndChat.Build.cs(5,14) : error CS0101: The namespace ‘<global namespace>’ already contains a definition for ‘FriendsAndChat’
d:\Program Files\Epic Games\4.11\Engine\Source\Runtime\ImageCore\ImageCore.Build.cs(5,14) : error CS0101: The namespace ‘<global namespace>’ already contains a definition for ‘ImageCore’
d:\Program Files\Epic Games\4.11\Engine\Source\Runtime\ImageWrapper\ImageWrapper.Build.cs(5,14) : error CS0101: The namespace ‘<global namespace>’ already contains a definition for ‘ImageWrapper’
d:\Program Files\Epic Games\4.11\Engine\Source\Runtime\SessionMessages\SessionMessages.Build.cs(5,15) : error CS0101: The namespace ‘UnrealBuildTool.Rules’ already contains a definition for ‘SessionMessages’
d:\Program Files\Epic Games\4.11\Engine\Source\Runtime\SessionServices\SessionServices.Build.cs(5,14) : error CS0101: The namespace ‘<global namespace>’ already contains a definition for ‘SessionServices’
d:\Program Files\Epic Games\4.11\Engine\Source\Runtime\SynthBenchmark\SynthBenchmark.Build.cs(5,15) : error CS0101: The namespace ‘UnrealBuildTool.Rules’ already contains a definition for ‘SynthBenchmark’
UnrealBuildTool Exception: ERROR: UnrealBuildTool encountered an error while compiling source files

It looks like coming from my Visual Studio problem
I tried to reinstall it but nothing change

Thank you very much !