After format my computer I reinstalled Vs 2017 V 15.6.3 and install ASP.Net Core SDK from Microsoft 2.1.4
But when I create new asp core application VS failed with e
Resolved
Even after uninstalling certain version from control panel, there would the files and folders with deleted version found in C:\Program Files\dotnet\sdk
Please go and delete unwanted version folder
This worked for me