[migration] page and menu not accesible after migration

actually i downloaded from the test site to my pc and try localhost to see if migration has any problem, and it is working perfectly.

after that i migrate to another test site that customer requested but the

for example:
http://www.xxxx.com/wordpress works.
but
http://www.xxxx.com/wordpress/contact does not work
even
http://www.xxxx.com/wordpress/2011
that show post at 2011 does not work

in my pc and old test site
http://localhost/wordpress

and

/wordpress/contact both works