ERROR_SXS_XML_E_XMLDECLSYNTAX - 14035 (0x36D3)

Manifest Parse Error : Invalid syntax for an xml declaration.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_SXS_XML_E_XMLDECLSYNTAX error (14035, 0x36D3) indicates a manifest parse failure due to an invalid syntax in the XML declaration. This error typically occurs when Windows encounters malformed XML during the process of loading or validating manifests.

Error Details

The XML declaration is the first line of an XML document and must follow a specific format, as defined by the XML specification. The error suggests that this declaration does not conform to the expected syntax rules, leading to a parse failure.

Usage Context

This error can occur in various contexts where Windows processes manifest files, such as during application deployment or execution. Manifests are used for specifying metadata about an application, including its dependencies and permissions.

Developer Interpretation

Developers should interpret this error as indicating a problem with the XML syntax of the manifest file. The issue could be due to incorrect characters, missing elements, or other deviations from the standard XML declaration format. Developers are advised to validate their manifest files against the XML specification to ensure they meet the required standards.

Related Errors

  • ERROR_SXS_XML_E_MISSINGXMLDECL (14036, 0x36D4): Occurs when an XML document is missing its declaration.
  • ERROR_SXS_XML_E_BADXMLDECL (14037, 0x36D5): Indicates a bad or malformed XML declaration.

FAQ

Q: What does the ERROR_SXS_XML_E_XMLDECLSYNTAX error mean?

A: It indicates that an XML declaration in a manifest file is invalid and cannot be parsed by Windows.

Q: How can I resolve this issue?

A: Validate your manifest files against the XML specification to ensure they are correctly formatted. Check for missing or malformed declarations, and correct any syntax errors.

Summary

The ERROR_SXS_XML_E_XMLDECLSYNTAX error (14035) is a specific technical issue related to invalid XML syntax in manifest files. Developers should focus on ensuring their manifests adhere to the XML standard to avoid this error.