Yes, excel window will become useless while running a macro. So you can't really click on the button to pause or stop your macro.
Depending on your excel version, you can try the following actions to stop running your macro:
- ESC
- Ctrl + Pause Break
- Ctrl + Alt + Pause Break
Alternatively, if none of the options above work, you can try to close the whole excel in the
Task Manager. To go to the Task Manager, you have to press
Ctrl + Alt + Del. Please mind if you close excel via Task Manager, you may lost all your unsaved data.