CODEWITHSUNDEEP
.netdllassembliesngen
shiufai
shiufai

Reputation: 13

NGen error failed to load runtime error

I came across a strange error when using NGen from .NET Framework 4 to compile a bunch of DLL assemblies. The install worked for some of the DLLs, but for some others it produced the following error message:

Failed to load the runtime. (Exception from HRESULT: 0x80131700). Assembly AseemblyFileLocation requires version v4.0.30319 of the runtime to run. Assembly will be compiled once the correct runtime is installed.

I am certain that I have the correct runtime version. I found that no one had come across this when I tried a search on web for answers, which is even stranger.

Any leads on this? Thanks.

Upvotes: 1

Views: 3242

Answers (1)

BWalter
BWalter

Reputation: 26

I ran into this issue as well and it turned out the culprit was the following entry in the assembly .config file:

<startup>
  <supportedRuntime version="v3.5"/>
</startup>

Once I removed it, Ngen ran fine.

Upvotes: 1

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