ERROR_SXS_XML_E_UNCLOSEDDECL 0x800736F0

Error code 14064 · HRESULT 0x800736F0

WINDOWS

Manifest Parse Error : A declaration was not closed.

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_UNCLOSEDDECL is a Windows error code (system error 14064, returned as HRESULT 0x800736F0) reported by Windows. Its official message is: “Manifest Parse Error : A declaration was not closed.”

How to fix ERROR_SXS_XML_E_UNCLOSEDDECL

  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_UNCLOSEDCDATAERROR_SXS_XML_E_UNCLOSEDCOMMENTERROR_SXS_XML_E_RESERVEDNAMESPACEERROR_SXS_XML_E_UNCLOSEDSTRINGERROR_SXS_XML_E_UNCLOSEDENDTAGERROR_SXS_XML_E_INVALIDENCODINGERROR_SXS_XML_E_UNCLOSEDSTARTTAG

Source: Microsoft WinError.h

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