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Q&A How do you fix 'Failed to load the dll hostfxr.dll' when starting an x86 .NET process in a test run via dotnet test?

How do you fix the error 'Failed to load the DLL hostfxr.dll' when running a .NET test executed via dotnet test and starting an x86 .NET application in the test? I'm using .NET 8. Failed to load ...

1 answer  ·  posted 1mo ago by riQQ‭  ·  last activity 1mo ago by riQQ‭

Question .net
#1: Initial revision by user avatar riQQ‭ · 2024-05-08T10:17:20Z (about 1 month ago)
How do you fix 'Failed to load the dll hostfxr.dll' when starting an x86 .NET process in a test run via dotnet test?
How do you fix the error 'Failed to load the DLL hostfxr.dll' when running a .NET test executed via `dotnet test` and starting an x86 .NET application in the test?

I'm using .NET 8.

```lang-none
Failed to load the dll from [C:\Program Files\dotnet\host\fxr\8.0.4\hostfxr.dll], HRESULT: 0x800700C1
The library hostfxr.dll was found, but loading it from C:\Program Files\dotnet\host\fxr\8.0.4\hostfxr.dll failed
  - Installing .NET prerequisites might help resolve this problem.
     https://go.microsoft.com/fwlink/?linkid=798306
```