This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
You might find the Oracle Technet installation forum is a better place to ask questions about Oracle installation. It's free to register with Oracle Technet, and it's an excellent source of expert advice on Oracle-specific questions.