You need to delete the preference file at /Library/Preferences/com.twocanoes.bootrunner.plist. You can restart into the restore partition and use terminal to delete this file, or you can boot from an external drive and delete the file.
You need to delete the preference file at /Library/Preferences/com.twocanoes.bootrunner.plist. You can restart into the restore partition and use terminal to delete this file, or you can boot from an external drive and delete the file.