Compilation Error when change .Net framework from 4.5.2 to 4.5 in VS 2015 Community edition

Question

After changing my .Net framework from 4.5.2 to 4.5 in VS 2015 Community edition. I am getting following error. Did anyone know what is the issue and how to solve this. Look

Answer 1

I was facing the same building with MSBuild and the following helped me:

In Visual Studio > Select your project > Right Click > Properties > Library > Targeting > Change > .Net Framework 4.6

This link Helped me