Problem 




Problem Solving Steps

Step.1 Open cmd or powershell and go to the DotNetCore.1.0.0-WindowsHosting folder
           Enter command as below:
           DotNetCore.1.0.0-WindowsHosting.exe OPT_INSTALL_REDIST=0  


Step.2 Install DotNetCore.1.0.0-WindowsHosting.exe



參考資料 (refence)

https://www.microsoft.com/net/download