ERROR_UNABLE_TO_MOVE_REPLACEMENT_2 0x80070499

Error code 1177 · HRESULT 0x80070499

WINDOWS

Unable to move the replacement file to the file to be replaced. The file to be replaced has been renamed using the backup name.

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_UNABLE_TO_MOVE_REPLACEMENT_2 is a Windows error code (system error 1177, returned as HRESULT 0x80070499) reported by Windows. Its official message is: “Unable to move the replacement file to the file to be replaced. The file to be replaced has been renamed using the backup name.”

How to fix ERROR_UNABLE_TO_MOVE_REPLACEMENT_2

  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

Source: Microsoft WinError.h

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