Clr Activation Debugging

by dotnet0608d8924cd3MIT5.5K starsListed Oct 8, 2026Updated Oct 8, 2026Repository updated today

Diagnoses .NET Framework CLR activation issues using CLR activation logs (CLRLoad logs) produced by mscoree.dll. Use when: the shim picks the wrong runtime, fails to load any runtime, shows unexpected .NET 3.5 Feature-on-Demand (FOD) dialogs, unexpectedly does NOT show FOD dialogs, loads both v2 and v4 into the same process causing failures, or any time someone is wondering "what is happening with .NET Framework activation?"

Instructions onlySoftware Development

Only the file list is public. File contents are available once the skill is installed in a workspace.

PathSizeType
references/activation-flow.md13.7 KBtext/markdown
references/com-activation.md7.9 KBtext/markdown
references/log-format.md11.2 KBtext/markdown
SKILL.md20.4 KBtext/markdown

Source and attribution

Source:dotnet/skillsinplugins/dotnet-diag/skills/clr-activation-debuggingat commit0608d89

License: MIT

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