ERROR_SXS_PROTECTION_CATALOG_NOT_VALID 0x800736FC

Error code 14076 · HRESULT 0x800736FC

WINDOWS

Assembly Protection Error : The catalog for an assembly is not valid, or does not match the assembly's manifest.

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_CATALOG_NOT_VALID is a Windows error code (system error 14076, returned as HRESULT 0x800736FC) reported by Windows. Its official message is: “Assembly Protection Error : The catalog for an assembly is not valid, or does not match the assembly's manifest.”

How to fix ERROR_SXS_PROTECTION_CATALOG_NOT_VALID

  1. Run the Windows Update troubleshooter (Settings → System → Troubleshoot → Other tools)
  2. Reset update components: stop 'wuauserv' and 'bits', clear C:\Windows\SoftwareDistribution, restart both services
  3. Verify system file integrity with 'sfc /scannow'

Related errors

ERROR_SXS_PROTECTION_CATALOG_FILE_MISSINGERROR_SXS_PROTECTION_PUBLIC_KEY_TOO_SHORTERROR_SXS_PROTECTION_RECOVERY_FAILEDERROR_SXS_COMPONENT_STORE_CORRUPTERROR_SXS_UNTRANSLATABLE_HRESULTERROR_SXS_XML_E_MISSINGEQUALSERROR_SXS_MISSING_ASSEMBLY_IDENTITY_ATTRIBUTE

Source: Microsoft WinError.h

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