Hello Friends,
in visual studio 2015, while I am trying to create new project or, build an existing project or click on "Tools => NuGet Package Manager => Package Manager Console" I got bellow errors.
& When I clicked ok, I got
- When I Clicked on "Tools => Extensions & Updates" I got below error

then I repaired my visual studio & again I tried But same thing happened. Then i
re-installed visual studio 2015. Then I got bellow message
I tried a lot but can't solve the issue. need your help.