Hey scbaradwaj,
UnrealBuildTool: Visual Studio 2015 is installed, but is missing the C++ toolchain. Please verify that “Common Tools for Visual C++ 2015” are selected from the Visual Studio 2015 installation options.
This is the error I’m seeing. You’ll need to make sure you have VS 2015 installed and ensure that you have installed the C++ content as well.
If after doing this you still experience further errors, please let me know and provide the new output log.
Have a great day