===Alternative Approach - Install NoMachine NX Free Server===
'''In case you receive any error messages or notification from Fedora that some applications (like gnome-settings-daemon) crashed, you might want to install free NX server from Nomachine web site.''' Note the main difference with this software is that NX Free Edition is licensed as proprietary ( 2 connections limit) unlike FreeNX which is completely Free free Open Source Software
Go to Nomachine's web site and download NoMachine NX Free Server (http://www.nomachine.com/download-package.php?Prod_Id=1352) for Linux i386 RPM. It consists of three separate downloads: client RPM, node RPM and Server RPM. You can read on their web site detailed info on how to install it and in what order - pretty straightforward. Here is what you need to do to get it installed on Fedora 12: