How To Fix Could Not Load File Or Assembly Microsoft Aspnet Identity Core Or One

On error page you will see something like this

On error page you will see something like this

LOG: Attempting download of new URL file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/Temporary ASP.NET Files/

Open this folder, replace every / to \ because Windows understand the folder different way. Delete everything and compile again. For me it’s working.

If you still found this trouble try to update packages from this answer

http://stackoverflow.com/a/12760677/713789

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