Nuget maintains a set of caches on your local machine, or your build server.
Sometimes you need to find and clear a particular package, or simple clear the caches.
The most used locations can be found at:
%LocalAppData%\NuGet\Cache
%UserProfile%\.nuget\packages
The easiest way to find all of them however is to use nuget itself:
The following command lists all the cache locations:
nuget locals all -list
You will see four different cache locations.
If you want to clear all the caches the following command will do that:
nuget locals all -clear
The options for nuget locals: