Article ID: 113122, created on Jan 12, 2012, last review on Jun 17, 2016

  • Applies to:
  • Virtuozzo containers for Windows


If .NET software is improperly installed inside a container, or if there are other problems with your .NET software, the container may exhibit the following behavior:

  • Application error when opening Microsoft Management Console

  • .NET or .NET-related application installation fails with the following error:

    Attempt to install .NET Framework 3.0 failed with error code 0x80070643. Fatal error during installation
  • Upon launching .NET 4.0 ngen.exe update, you receive the following error message:

    C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe update
    cannot load mscoree.dll


.NET-related libraries are not properly updated inside the container.


Try following these steps to fix the issue:

  • Run in the broken container:

    sfc /scannow
  • Run Upgrade Readiness Tool in the broken container.

  • Copy and paste into the broken container the following files from a working container with the same OS and .NET framework version and architecture:


Additional information

To avoid the occurrence of this issue, follow .NET usage best practices:

  • 111448 How do I properly install .NET Framework inside containers?
  • 11220 Is it safe to install Microsoft .NET Framework on a Hardware Node?

NOTE: Similar issues may be observed on physical hosts as well, depending on the issue's root cause.

Read more on MSDN blog

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NET Framework error

MMC could not create the snap-in. The snap-in might not have been installed correctly. Name: Server Manager CLSID: FX:{18ea3f92-d6aa-41d9-a205-2023400c8fbb} netMgr.exe - Corrupt File The file or directory C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscoreei.dll is corrupt and unreadable. Please run the Chkdsk utility.

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mscorwks.dll crashed inside a virtuozzo container


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