If the system is installed on C:\, then %USERPROFILE% refers to your user profile directory, generally referring to the directory "C:\Documents and Settings\Your username". If you go to the directory "C:\Documents And Settings\Administrator\", it can be reached with %USERPROFILE% when logged in as Administrator. If logged in with other identities, some characters need to be removed: remove "login username" and replace it with "Administrator". I still don't understand how to operate. I don't know much about this DOS!! Ashamed!!