problem with blogs module

Hi ,
I have a small problem,and it will be gr8 if any one of you can help me...
I have a site www.booksadicto.com/index.php
when I click on "all blogs" from the main tabs I get "Profile not available for view"
all other things from blogs module is working fine...


Thanks in advance!

provide us with screen shot with error!

screenshots of the problem:
open: http://www.booksadicto.com/index.php

Hello compare your root .htacces file with default dolphin's htacces

Thanks SashaE

thank you very much!!!