ERROR_WOW_ASSERTION 0x8007029E

Error code 670 · HRESULT 0x8007029E

WINDOWS

WOW Assertion Error.

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_WOW_ASSERTION is a Windows error code (system error 670, returned as HRESULT 0x8007029E) reported by Windows. Its official message is: “WOW Assertion Error.”

How to fix ERROR_WOW_ASSERTION

  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_ACPI_ERRORERROR_PNP_BAD_MPS_TABLEERROR_ASSERTION_FAILUREE_FAILREGDB_E_CLASSNOTREGCO_E_SERVER_EXEC_FAILUREWININET_E_TIMEOUTWININET_E_NAME_NOT_RESOLVED

Source: Microsoft WinError.h

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