ERROR_SXS_INVALID_XML_NAMESPACE_URI 0x800736BE

Error code 14014 · HRESULT 0x800736BE

WINDOWS

The manifest contains a reference to an invalid URI.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_SXS_INVALID_XML_NAMESPACE_URI is a Windows error code (system error 14014, returned as HRESULT 0x800736BE) reported by Windows. Its official message is: “The manifest contains a reference to an invalid URI.”

How to fix ERROR_SXS_INVALID_XML_NAMESPACE_URI

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_SXS_INVALID_ASSEMBLY_IDENTITY_ATTRIBUTEERROR_SXS_INVALID_ACTCTXDATA_FORMATERROR_SXS_INVALID_ASSEMBLY_IDENTITY_ATTRIBUTE_NAMEERROR_SXS_INVALID_DEACTIVATIONERROR_SXS_UNKNOWN_ENCODINGERROR_SXS_ROOT_MANIFEST_DEPENDENCY_NOT_INSTALLEDERROR_SXS_UNKNOWN_ENCODING_GROUP

Source: Microsoft WinError.h

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