ERROR_SXS_ASSEMBLY_MISSING 0x80073701

Error code 14081 · HRESULT 0x80073701

WINDOWS

The referenced assembly could not be found.

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_ASSEMBLY_MISSING is a Windows error code (system error 14081, returned as HRESULT 0x80073701) reported by Windows. Its official message is: “The referenced assembly could not be found.”

How to fix ERROR_SXS_ASSEMBLY_MISSING

  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_ASSEMBLY_NOT_LOCKEDERROR_SXS_ASSEMBLY_IS_NOT_A_DEPLOYMENTERROR_SXS_ASSEMBLY_NOT_FOUNDERROR_SXS_COMPONENT_STORE_CORRUPTERROR_SXS_INVALID_ASSEMBLY_IDENTITY_ATTRIBUTE_NAMEERROR_SXS_CORRUPT_ACTIVATION_STACKERROR_SXS_MISSING_ASSEMBLY_IDENTITY_ATTRIBUTE

Source: Microsoft WinError.h

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