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ERROR_SXS_XML_E_INTERNALERROR
ERROR_SXS_XML_E_INTERNALERROR (0x000036D9) is a Windows Side-by-Side XML parser status for application, assembly, policy, or configuration manifest processing.
Unlike the neighboring ERROR_SXS_XML_E_* codes, this status does not identify a public XML grammar production that the manifest violated. Treating the constant name as proof of a specific missing quote, bad namespace, or dependency would overstate the available contract.
Parser boundary
The useful diagnostic boundary is therefore the SxS activation trace and the exact manifest bytes. If the same file fails consistently, validate and replace that file; if valid XML triggers the status only on one system, preserve the trace and OS build information for deeper analysis.
What to inspect
- Capture the failing application name, Windows build, and first Side-by-Side parser event before changing WinSxS content.
- Validate the traced manifest independently as XML and compare its hash with a known-good copy from the same product build.
- Avoid translating this status into a guessed XML syntax defect unless another parser or an earlier SxS event identifies one.
Run sxstrace trace around a minimal reproduction and parse the ETL output; an internal parser status deserves the original file and trace rather than generic runtime reinstallation advice.
References
- Microsoft: System Error Codes 12000-15999
- Microsoft: Side-by-Side manifest files reference
- Microsoft: sxstrace
- Microsoft: Manifest Files Reference
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