Permission Denied ... I don't now why

Hello …

I have a problem, I have installed RT and I have no problems.

So, I change the settings in Apache … and restart apache.

So when I go to the site … it’s come a Permission denied Message …

This site is http://support.project-natalya.de
http://support.project-natalya.de/

I must change the extension from the index … I use .html for php4

I require help