Redirect problems

Hi!

Here is my site: eyass.se

As you can see i have wordpress running, and its working pretty good. I can add and edit posts. But when dealing with pages i experience problems. Please try to go to my site and press one of the pages. You will automatically get redirected to the frontpage. For example when i press the page “Guestbook” i get to frontpage automatically.

Even when i press the “No Comments” after a post in order to comment i get redirected to frontpage. Is this htaccess problem or webserver problem, or something else?

Does anyone know why this happends? I would be forever greatful if anyone could help me!

Thanks!