hello all. I used unreal 4.17 and 4.18 before and I could generate Cpp project there but when I go with 4.19 and using VS 2017 , this error occured :
An error occurred while trying to generate project files.
Running 
/Epic Games/UE_4.19/Engine/Binaries/DotNET/UnrealBuildTool.exe -projectfiles -project="*/Game/unreal/birdsc/Some name/Some name.uproject" -game -rocket -progress
Discovering modules, targets and source code for project…
WARNING: Exception while generating include data for UE4Editor: Windows SDK v8.1 must be installed in order to build this target.
Binding IntelliSense data… 0%@progress ‘Binding IntelliSense data…’ 33%
WARNING: Exception while generating include data for StudioEditor: Windows SDK v8.1 must be installed in order to build this target.
Binding IntelliSense data… 33%@progress ‘Binding IntelliSense data…’ 67%
WARNING: Exception while generating include data for BirdSoundsCrazyEditor: Windows SDK v8.1 must be installed in order to build this target.
Binding IntelliSense data… 67%@progress ‘Binding IntelliSense data…’ 100%
ERROR: UnrealBuildTool Exception: Windows SDK v8.1 must be installed in order to build this target.