Ever since the first time i started up ARD, the screen comes up and shows me all the computers and it shows my powerbook (administrator is the my iMac) but when i go to do control it or what have you, it obviously asks for a user name and password to put it on th master list, but NO combination of the two different user names or 3 passwords I have at ALL, and NO combination will work, can someone please help, i have no idea what it password it is asking for, can someone plesae help. it keeps saying that i need the right password to validate.