ERROR_CAN_NOT_COMPLETE 0x800703EB

Error code 1003 · HRESULT 0x800703EB

WINDOWS

Cannot complete this function.

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_CAN_NOT_COMPLETE is a Windows error code (system error 1003, returned as HRESULT 0x800703EB) reported by Windows. Its official message is: “Cannot complete this function.”

How to fix ERROR_CAN_NOT_COMPLETE

  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_CAN_NOT_DEL_LOCAL_WINSERROR_UNRECOGNIZED_VOLUMEERROR_INVALID_MESSAGEERROR_INVALID_FLAGSWSAEADDRINUSEWSAECONNABORTEDWSAECONNRESETWSAETIMEDOUT

Source: Microsoft WinError.h

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