It’s amazing !
I solved this problem manually 🙂
If you have access to your database, log to phpMyAdmin, then go to wp_options table and find permalink_structure .
You just have to change the value by the structure that you want ( /%postname%/…)
I hope it would solve your prolem
WordPress feed links are rewritten ! So use the real file link !
http://www.designanomaly.net/blog/wp-rss.php
I hope it will work for you
