microsoft / microsoft/WindowsML
Known issue: Microsoft.Windows.AI.MachineLearning nuget fails with .NET PublishSingleFile
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Since Jul 2, 2026.
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Description
Publishing a .NET app that uses Microsoft.Windows.AI.MachineLearning nuget with PublishSingleFile=true fails WinRT activation at runtime with Class not registered (0x80040154 REGDB_E_CLASSNOTREG), because the native DLLs are not embedded in the single .exe.
Fix: add IncludeAllContentForSelfExtract so the native DLLs are extracted at runtime:
<PublishSingleFile>true</PublishSingleFile>
<IncludeAllContentForSelfExtract>true</IncludeAllContentForSelfExtract>Contributor guide
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