Here what i selected: I can not select "Use domain user account" though i already remove password. I also tried to create a new user account with admin privilige , but still not go through. But it let me go to next if i select "Use the local system account", next i set "Window Authentaicateion Mode" or Mixed Mode", then when it installing, i got this message which stop installation: "Can not read the specific file. This is most likely caused by a poor network connection. Correct the problem and restart the setup. File: E\PERSONAL\x86\setup\..\Data\master.mdf ***I installed successfully in my other computer(Win XP Pro without SP2) on my network Thanks for any help My system infos: Centrino 1.5 Win XP Pro with SP2, IIS, on Lan with both wire and wirelesss network.