I wanted a AutoComplete function, I tried to make one using native functions but that was getting very complex Therefore i chose the IAutoComplete interface But I'm not getting it to work Autoit is crashing Global $oErrorHandler = ObjEvent("AutoIt.Error", "_ErrFunc") Local $CLSID_Autocomplete ="{00BB2763-6A77-11D0-A535-00C04FD7D062}" Local $IID_IUnknown = "{00000000-0000-0000-C000-000000000046}" Local $_Description='Enable hresult(BOOL);Init hresult(HWND;PTR;LPCWSTR;LPCWSTR);' ;also tried exp