ERROR_UNEXPECTED_OMID 0x800710EE

Error code 4334 · HRESULT 0x800710EE

WINDOWS

Unexpected on-medium identifier.

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_UNEXPECTED_OMID is a Windows error code (system error 4334, returned as HRESULT 0x800710EE) reported by Windows. Its official message is: “Unexpected on-medium identifier.”

How to fix ERROR_UNEXPECTED_OMID

  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_UNEXPECTED_MM_MAP_ERRORERROR_UNEXPECTED_MM_CREATE_ERRERROR_CLEANER_CARTRIDGE_SPENTERROR_CANT_DELETE_LAST_ITEMERROR_CLEANER_SLOT_NOT_SET

Source: Microsoft WinError.h

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