ERROR_DLL_NOT_FOUND 0x80070485

Error code 1157 · HRESULT 0x80070485

WINDOWS

One of the library files needed to run this application cannot be found.

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_DLL_NOT_FOUND is a Windows error code (system error 1157, returned as HRESULT 0x80070485) reported by Windows. Its official message is: “One of the library files needed to run this application cannot be found.”

How to fix ERROR_DLL_NOT_FOUND

  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_DLL_INIT_FAILEDERROR_DLL_MIGHT_BE_INCOMPATIBLEERROR_DLL_MIGHT_BE_INSECUREERROR_DLL_INIT_FAILED_LOGOFFERROR_DDE_FAILERROR_NO_MORE_USER_HANDLESERROR_NO_ASSOCIATION

Source: Microsoft WinError.h

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