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I've been using Visual Studio 2019 and .Net core 3.0 preview 5. I have tried to make unit tests but i couldn't because i have an exceptionMessage:
System.BadImageFormatException : Could not load file or assembly 'PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. Reference assemblies should not be loaded for execution. They can only be loaded in the Reflection-only loader context. (0x80131058)
---- System.BadImageFormatException : Cannot load a reference assembly for execution.
I tried to find something about this on the internet, but i found only that i have to change one file in the GAC. I have to change PresentationFramework.dll 3.0.0.0 to 4.0.0.0 version. I don't know how so I'm here to ask you, how to change version.
Kacper Piotrowski
Posted 2019-06-09T11:04:26.193
Reputation: 1
Have you tried reinstalling Visual Studio? – DavidPostill – 2019-06-09T16:06:53.653
no i haven't but I have the newest version this means 2019 and core 3. Should I reinstall? – Kacper Piotrowski – 2019-06-09T20:39:57.493