ERROR_SXS_PROTECTION_RECOVERY_FAILED 0x800736FA

Error code 14074 · HRESULT 0x800736FA

WINDOWS

Assembly Protection Error : Unable to recover the specified assembly.

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_PROTECTION_RECOVERY_FAILED is a Windows error code (system error 14074, returned as HRESULT 0x800736FA) reported by Windows. Its official message is: “Assembly Protection Error : Unable to recover the specified assembly.”

How to fix ERROR_SXS_PROTECTION_RECOVERY_FAILED

  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_PROTECTION_PUBLIC_KEY_TOO_SHORTERROR_SXS_PROTECTION_CATALOG_NOT_VALIDERROR_SXS_PROTECTION_CATALOG_FILE_MISSINGERROR_SXS_COMPONENT_STORE_CORRUPTERROR_SXS_XML_E_MISSINGEQUALSERROR_SXS_XML_E_INVALID_VERSIONERROR_SXS_XML_E_UNEXPECTED_STANDALONE

Source: Microsoft WinError.h

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