ERROR_DELAY_LOAD_FAILED 0x80070505

Error code 1285 · HRESULT 0x80070505

WINDOWS

An attempt to delay-load a .dll or get a function address in a delay-loaded .dll failed.

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_DELAY_LOAD_FAILED is a Windows error code (system error 1285, returned as HRESULT 0x80070505) reported by Windows. Its official message is: “An attempt to delay-load a .dll or get a function address in a delay-loaded .dll failed.”

How to fix ERROR_DELAY_LOAD_FAILED

  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_DEBUGGER_INACTIVEERROR_VDM_DISALLOWEDERROR_PARAMETER_QUOTA_EXCEEDEDSTATUS_IN_PAGE_ERRORSTATUS_ACCESS_DENIEDSTATUS_INVALID_IMAGE_FORMATSTATUS_STACK_OVERFLOWSTATUS_DLL_NOT_FOUND

Source: Microsoft WinError.h

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