ERROR_LOST_WRITEBEHIND_DATA 0x80070254

Error code 596 · HRESULT 0x80070254

WINDOWS

Windows was unable to save all the data for the file …. The data has been lost. This error may be caused by a failure of your computer hardware or network connection. Please try to save this file elsewhere.

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_LOST_WRITEBEHIND_DATA is a Windows error code (system error 596, returned as HRESULT 0x80070254) reported by Windows. Its official message is: “{Delayed Write Failed} Windows was unable to save all the data for the file %hs. The data has been lost. This error may be caused by a failure of your computer hardware or network connection. Please try to save this file elsewhere.”

How to fix ERROR_LOST_WRITEBEHIND_DATA

  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_LOST_WRITEBEHIND_DATA_NETWORK_DISCONNECTEDERROR_LOST_WRITEBEHIND_DATA_NETWORK_SERVER_ERRORERROR_LOST_WRITEBEHIND_DATA_LOCAL_DISK_ERRORERROR_LOST_MODE_LOGON_RESTRICTIONERROR_REPLY_MESSAGE_MISMATCHERROR_CLIENT_SERVER_PARAMETERS_INVALIDERROR_DRIVER_CANCEL_TIMEOUT

Source: Microsoft WinError.h

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