When i install SEO, i can open home page, but can not open else page. all 404 not found page . i did not change any in .htaccess

ZC: 1.3.0.2
SEO: ultimate_seo_urls_2.102
ZC path: / public_html / welgame.com / (Current Folder)
.htaccess:Options +FollowSymLinks
RewriteEngine On
RewriteBase /shop/


How can i edit .htaccess or another?

Thanks help