ERROR_NO_MORE_USER_HANDLES 0x80070486

Error code 1158 · HRESULT 0x80070486

WINDOWS

The current process has used all of its system allowance of handles for Window Manager objects.

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_NO_MORE_USER_HANDLES is a Windows error code (system error 1158, returned as HRESULT 0x80070486) reported by Windows. Its official message is: “The current process has used all of its system allowance of handles for Window Manager objects.”

How to fix ERROR_NO_MORE_USER_HANDLES

  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_NO_MORE_DEVICESERROR_NO_MORE_MATCHESERROR_NO_MORE_ITEMSERROR_NO_MORE_SEARCH_HANDLESERROR_DLL_NOT_FOUNDERROR_MESSAGE_SYNC_ONLYERROR_DDE_FAIL

Source: Microsoft WinError.h

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