I am getting this message:
I am using windows 8.1
프로젝트 파일 생성 시도중 오류가 발생했습니다.
Running C:/Program Files/Epic Games/4.8/Engine/Binaries/DotNET/UnrealBuildTool.exe -projectfiles -project=“C:/Users//Documents/Unreal Projects/wt/wt.uproject” -game -rocket -progress
Discovering modules, targets and source code for game…
UnrealBuildTool Exception: ERROR: Failed to read environment variables from XML file: C:\Users\AppData\Local\Temp\tmp6549.tmp
EDIT: Running as admin seems to solve it.