"OS X could not be installed on your computer"
"No packages were eligible for install. Contact the software manufacture for assistance. Quit the installer to restart your computer and try again".
I followed the video linked and have not been able to make it past 3:30. It acts as if it's going to reinstall OS X and after 45 minutes to an hour it displays the above message.
2009 Macbook Pro.
MacBook Pro 13", OS X 10.11