ERROR_ALREADY_EXISTS 0x800700B7

Error code 183 · HRESULT 0x800700B7

WINDOWS

Cannot create a file when that file already exists.

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_ALREADY_EXISTS is a Windows error code (system error 183, returned as HRESULT 0x800700B7) reported by Windows. Its official message is: “Cannot create a file when that file already exists.”

How to fix ERROR_ALREADY_EXISTS

  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_ALREADY_ASSIGNEDERROR_ALREADY_WIN32ERROR_ALREADY_RUNNING_LKGERROR_ALREADY_REGISTEREDERROR_INVALID_ORDINALERROR_INVALID_SEGMENT_NUMBERERROR_INVALID_FLAG_NUMBER

Source: Microsoft WinError.h

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