Installed .Net 4.5 but can't use ZipFile class in Visual C#

Question

I\'m kind of a newbie to Visual Studio programming.

I recently upgraded .Net 4.0 to 4.5 in order to use the ZipFile class under System.IO.Compression, but after the

Answer 1

In my case I needed to manually delete all dll references that started with System.IO.Compression and then add one by one the needed ones (System.IO.Compression.FileSystem, etc.) even though I only wrote a single using statement

using System.IO.Compression;

I hope this helps someone