ERROR_UNWIND 0x8007021E

Error code 542 · HRESULT 0x8007021E

WINDOWS

Unwind exception code.

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_UNWIND is a Windows error code (system error 542, returned as HRESULT 0x8007021E) reported by Windows. Its official message is: “Unwind exception code.”

How to fix ERROR_UNWIND

  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_TIMER_NOT_CANCELEDERROR_BAD_STACKERROR_WX86_ERRORWU_E_UH_INSTALLERFAILUREWU_E_DM_NOTDOWNLOADEDWU_E_SERVICE_STOPSL_E_INVALID_PRODUCT_KEY0xC004F074

Source: Microsoft WinError.h

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