ERROR_SXS_XML_E_XMLDECLSYNTAX 0x800736D3

Error code 14035 · HRESULT 0x800736D3

WINDOWS

Manifest Parse Error : Invalid syntax for an xml declaration.

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_XML_E_XMLDECLSYNTAX is a Windows error code (system error 14035, returned as HRESULT 0x800736D3) reported by Windows. Its official message is: “Manifest Parse Error : Invalid syntax for an xml declaration.”

How to fix ERROR_SXS_XML_E_XMLDECLSYNTAX

  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_XML_E_BADCHARDATAERROR_SXS_XML_E_BADCHARINSTRINGERROR_SXS_XML_E_BADNAMECHARERROR_SXS_XML_E_MISSINGWHITESPACEERROR_SXS_XML_E_BADSTARTNAMECHARERROR_SXS_XML_E_EXPECTINGTAGENDERROR_SXS_XML_E_COMMENTSYNTAX

Source: Microsoft WinError.h

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