guys, i have read it in ch7, then i follow up, then i got into this: Traceback (innermost last): File "zpasswd.py", line 200, in ? if __name__=3D=3D'__main': m= ain(sys.argv) File "zpasswd.py", line 190, in main access_file.write(usernam= e + ":" + File "zpasswd.py", line 33, in generate_passwd encoding.upper() AttributeError: 'string' object has no attribute 'upper' now what is the problem, besides i have tried out the admin build in account with its supplied password but it didn't work !! thx guys. -- Hytham Shehab