I've started using MyGet to keep track of packages I reuse internally throughout different solutions.
Steps Taken:
I have tried:
Installing the new package on a different computer, does work fine. Installing the old version of the package (the first version installed on the computer) also works fine.
If there is any other information you may need, please let me know.
Thank you.
Did you increment the package version number on the second publish? If not, NuGet will cache it on your disk (which explains this works on another machine).
Always ++ the version when publishing :-)
Edit: Best update NuGet (https://dist.nuget.org/index.html) and if it persists, check with MyGet support.