page 404 error

I transfered my WP to a new webhost and everything is ok but the “pages” wont work, or even if I make a new Page, it always show 404 page error.

when I change the permalink to babyface.name/?p=123 for example, the content in about page will be shown but if I will revert the permalink to Date and name based, it will show error 404 and it will show that error even with a newly created pages.

BTW, here’s my site http://babyface.name try clicking the about on the top right, it will show error 404.