I have installed utorrent 2.1 20082 ( in windows 7 ) as portable app by putting "settings.dat" in the same folder. I have enabled the "allow remote connection" and entered the username and password. I have edited the registry to allow utorrent to run automatically during system bootup ( in boss key mode , hidden ) for all users. Now when when i login from any user account , utorrent says username already taken , please check settings and i change the username and log off , and when i again login it says user name already taken , and i need to change the username again and again.. Strange behavior.. utorrent should not ask for username whenever i login (from same or different accounts in windows 7 ) and must keep downloading silently in hidden mode as i have it as a portable application thanks.