NuGet VS 2012 ServicePointManager does not support proxies with the https scheme

Question

I have recently upgraded from VS2012 RC to RTM, and since the upgrade to RTM, I can no longer access nuget. I receive the following error in the Manage NuGet Packages window.

Answer 1

I am not sure what happened in my nuget usage history but I end up stuck using proxy for my development machine. to make it work.

1- open fiddler

2- goto %AppData%\NuGet\NuGet.config

Package sources

3- config

4- profit.