ERROR_INVALID_FLAGS 0x800703EC

Error code 1004 · HRESULT 0x800703EC

WINDOWS

Invalid flags.

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_INVALID_FLAGS is a Windows error code (system error 1004, returned as HRESULT 0x800703EC) reported by Windows. Its official message is: “Invalid flags.”

How to fix ERROR_INVALID_FLAGS

  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_UNRECOGNIZED_VOLUMEERROR_CAN_NOT_COMPLETEERROR_INVALID_MESSAGEERROR_SERVICE_REQUEST_TIMEOUTERROR_SERVICE_DISABLEDERROR_SERVICE_DEPENDENCY_FAILERROR_DLL_INIT_FAILEDERROR_IO_DEVICE

Source: Microsoft WinError.h

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