You need to install Windows 2000 Professional on a new computer in your network. You use the setup manager wizard to configure a fully automated installation script. file. You begin an unattended installation and leave the office. When you return, the installation has reached the GUI-mode setup and you see the following error message 'Unattended setup is unable to continue because a setup parameter specified by your system administrator or computer manufacturer is missing or invalid.' You need to complete the installation. What must you do?