# Excel对象操作异常:异常来自HRESULT:0x800AC472 ![](https://files.getquicker.net/_sitefiles/kc/kb/2020/12/10/092253_3_mceclip0.png?x-oss-process=image/resize,w_1200) 原因: 可能是因为Excel中有打开的对话框导致后续控制失败。例如: ![](https://files.getquicker.net/_sitefiles/kc/kb/2020/12/10/092345_3_mceclip1.png?x-oss-process=image/resize,w_1200) 参考来源:https://stackoverflow.com/a/24123782/3335415