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STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN
A packaged native CLR image failed integrity validation
Windows returns STATUS_APPX_INTEGRITY_FAILURE_CLR_NGEN from application packaging, registration, cache, or activation handling. 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.
Because the failure concerns generated native code, compare package architecture and framework version as well as the package signature. Rebuilding or redeploying the package is safer than replacing the individual native-image file.
References
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