I am a new Oracle user. I am trying to install Oracle 9i Personal Edition on Windows ME; however, I get the following error during the installation

Oracle Database Configuration Assistant failed during install. Error message:
java.lang.NoClassDefFoundError: com/inprise/vbroker/CORBA/ObjectException in thread "main"
at oracle.sysman.assistants.dbca.backend.Host.<init>( Host.java:437)
at oracle.sysman.assistants.dbca.ui.UIHost.<init>(UIH ost.java:151)
at oracle.sysman.assistants.dbca.ui.ProgressOnlyHost. <init>(ProgressOnlyHost.java:72)
at oracle.sysman.assistants.dbca.Dbca.getHost(Dbca.ja va:123)
at oracle.sysman.assistants.dbca.Dbca.execute(Dbca.ja va:82)
at oracle.sysman.assistants.dbca.Dbca.main(Dbca.java: 144)

While searching the web for the solution, I found the following solution: "After the initial installation, run Universal installer again and install the Corba stuff, then re-run the database config assistant again.
". Can somebody explain in more details what is "the Corba stuff" (ie. how do I identify it when running the Universal installer?).

I also found another solution: "#EM_CLASSPATH=$ORACLE_HOME/classes:$JLIB_DIR/$EMBASE_JAR
EM_CLASSPATH=$ORACLE_HOME/classes:$ORACLE_HOME/oem_webstage:$JLIB_DIR/$EMBASE_JAR". Can somebody explain what this solution involves?

Thank you in advance.