I've got an odd situation on the Manage Posts page.
If I go to the page and find a post and click on edit it edits the post.
If I go to the page and click on the "previous entries" link (/wp-admin/edit.php/page/2/)then it doesn't take me to a previous page with older posts on it and then if I click on anything the URLS are messed up.
For example clicking on Dashboard tries to use the following url: /wp-admin/edit.php/page/2/index.php
I've trimmed the domain out as its my test system.
Can Anyone else reproduce this?