46a18d17_ation___11g_Release_5__11_1_5___Screen
Analyzes the host computer to ensure that specific operating system prerequisites have been met. If any prerequisite check fails, the screen displays a short error message at the bottom. Fix the issue that caused the error and click Retry. To ignore the error or warning message, click Continue. Click Abort to stop the prerequisite check process for all components. Click Next to continue. [Screen] 
Prerequisite Checks
Preparing for an Installation - 11g Release 5 (11.1.5)