ERROR_INVALID_SHOWWIN_COMMAND 0x800705A9

Error code 1449 · HRESULT 0x800705A9

WINDOWS

Cannot show or remove the window in the way specified.

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_INVALID_SHOWWIN_COMMAND is a Windows error code (system error 1449, returned as HRESULT 0x800705A9) reported by Windows. Its official message is: “Cannot show or remove the window in the way specified.”

How to fix ERROR_INVALID_SHOWWIN_COMMAND

  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_INVALID_SCROLLBAR_RANGEERROR_NO_SYSTEM_RESOURCESERROR_NO_SCROLLBARSERROR_SERVICE_REQUEST_TIMEOUTERROR_SERVICE_DISABLEDERROR_SERVICE_DEPENDENCY_FAILERROR_DLL_INIT_FAILEDERROR_IO_DEVICE

Source: Microsoft WinError.h

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