Yes, you're right. Something is wrong with the directory. I followed the link that you gave and changed the setting, then it works.
Thank you very much.
I am a beginner of runmlwin. I followed the example 1 in Leckie and Charlton's article to learn this command. But there is always an error that "macro file not found (OBEY "C:\Users\?a|..\AppData\Local\Temp\ST_01000007.tmp")". I know someone has the same problem as me, so I've tried "nopause ...