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Diagnose .NET Framework CLR activation v1.0.0

Use this resource to diagnose which .NET Framework runtime loads and why

New

  • 358 downloads
  • 208 likes
  • 127 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install dotnet-framework-clr-activation

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent reads the CLRLoad activation logs and the mscoree shim decisions to explain the version choice. It also covers .NET 3.5 feature dialogs and the case where v2 and v4 load into the same process.

Mostly picked by

Updated November 2, 2026

Card for the “Diagnose .NET Framework CLR activation” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: shim architecture, HRESULT codes and workflow
  • references/: activation flow, COM activation and log format

Good fit for

  • A .NET Framework application loads the wrong runtime version
  • Unexpected .NET 3.5 dialogs appear

Not for

    Tags

    • clr
    • .net framework
    • activation
    • logs

    About

    You say

    “My executable loads CLR v2 instead of v4. Read the CLRLoad log and explain why.”

    Card for the “Diagnose .NET Framework CLR activation” skill

    Skill published by dotnet under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to diagnose which .NET Framework runtime loads and why
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/activation-flow.md13.7 KB
    • references/com-activation.md7.9 KB
    • references/log-format.md11.2 KB
    • SKILL.md20.4 KB

    Origin and licence

    Listed unmodified

    Author
    dotnet
    Source
    github.com/dotnet/skills/tree/586f13f8d898a60583a3364f146a3b6f5a763164/plugins/dotnet-diag/skills/clr-activation-debugging
    Licence
    MIT

    Notice

    « clr-activation-debugging » (dotnet, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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