ERROR_BAD_FUNCTION_TABLE 0x8007022F

Error code 559 · HRESULT 0x8007022F

WINDOWS

A malformed function table was encountered during an unwind operation.

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_BAD_FUNCTION_TABLE is a Windows error code (system error 559, returned as HRESULT 0x8007022F) reported by Windows. Its official message is: “A malformed function table was encountered during an unwind operation.”

How to fix ERROR_BAD_FUNCTION_TABLE

  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_UNEXPECTED_MM_EXTEND_ERRERROR_NO_GUID_TRANSLATIONERROR_UNEXPECTED_MM_MAP_ERRORERROR_INVALID_FUNCTIONERROR_FILE_NOT_FOUNDERROR_PATH_NOT_FOUNDERROR_ACCESS_DENIEDERROR_NOT_ENOUGH_MEMORY

Source: Microsoft WinError.h

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