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STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN
A packaged native CLR image failed integrity validation
STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN identifies a specific Windows status in the application packaging and activation path. The failure concerns a precompiled CLR native image associated with packaged content. Rebuilding or replacing an arbitrary application DLL does not address a corrupted NGEN artifact safely.
Capture the package version and architecture, Code Integrity and AppX deployment events, then repair or redeploy through the package servicing path so generated native images are recreated consistently.
What to preserve before changing the system
- The exact API, caller, target object, original NTSTATUS value, and any nested error or activity ID.
- For STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN, the relevant process token, package/job/enclave identity, lifecycle state, and policy or mitigation settings.
- For STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN, operational event logs and a timeline showing the first transition into the failing state.
References for STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN
- Microsoft: package and deploy Windows apps
- Microsoft: troubleshoot app package deployment
- Microsoft: package identity overview
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