Cannot load System.Threading.Tasks assembly, using Google Calendar API

Question

SOLVED !

Huge thank to Sam Leach

Here is a sample of my working app.config file:

       ...
    
        &         


        

Answer 1

Remove all references to System.Threading.Tasks and then add in the one from whatever .NET version you are using (.NET 4.0).

The Google Calendar API might be using a different version of .NET

Manually Redirecting Assembly

You can specify which version of the assembly to use in your app.config