ERROR_SXS_UNKNOWN_ENCODING - 14013 (0x36BD)
The encoding requested is not recognized.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_SXS_UNKNOWN_ENCODING error indicates that a specific encoding format was requested, but the system does not recognize or support it. This can occur in scenarios where the application or service attempts to process data using an encoding type that is not available on the current system.
Error Details
This error code is part of the Side-by-Side (SXS) assembly infrastructure used by Windows for managing multiple versions of assemblies and components. The SXS subsystem relies on various encodings, such as file formats or data representations, to ensure compatibility and correct processing of resources.
Usage Context
The ERROR_SXS_UNKNOWN_ENCODING error can be encountered in several contexts within the Windows operating system, particularly when dealing with assembly loading, manifest parsing, or resource handling. It is important for developers to understand that this error does not necessarily indicate a critical issue but rather points to an unsupported operation.
Developer Interpretation
When encountering ERROR_SXS_UNKNOWN_ENCODING, it is crucial to review the specific encoding type requested and ensure compatibility with the target environment. Developers should verify that all necessary encodings are supported by the system or application before attempting operations that rely on them.
Related Errors
- ERROR_SXS_FILE_HASH_MISMATCH (14023)
- ERROR_SXS_MANIFEST_IDENTITY_NOT_SCOPED (14025)
- ERROR_SXS_INVALID_XML_NAMESPACE_URI (14027)
FAQ
Q: What does ERROR_SXS_UNKNOWN_ENCODING mean?
A: It indicates that the requested encoding is not recognized by the system.
Q: How can I resolve this error?
A: Ensure that all required encodings are supported in your environment and verify parameter values before performing operations.
Summary
The ERROR_SXS_UNKNOWN_ENCODING error signifies an unsupported operation related to encoding. Developers should focus on verifying compatibility and ensuring that the system supports the requested encoding format.