It shows 404 error problem

Hi Webmaster,

Thanks for your services its very wonderful service.
I install free Boonex 6.1.5 its intall ok but the thing is internal pages it shows 404 error
what is the exact problem not understanding please guide us and let me know what is the exact problem

www.socialnetwork-world.com

only members and forums fields are working fine remaining fields it shows problem please we cant understanding problem.

Thanks & Regards
Rahaman MA

Have you uploaded the .htaccess file in root directory?

If yes, does your server support modrewrite?

If no, then go to Admin Panel and turn off permalinks in Settings section.

This would remove those 404 error