try adding '&paged='.$paged to your query string <?php $mainList_query = new WP_Query('cat=4,352,731,754,49,44,54,17&showposts=200&order=DESC&paged='.$paged); ?> More Solution urls - Problem with guids and absolute links in WordPress search - Where do custom menus get constructed? in WordPress hooks - Executing Arbitrary Code at a Specific URL without Creating a Post or Page? in WordPress Linking between custom post types as if they where taxonomies? in WordPress Can you limit the memory usage of a particular plugin? in WordPress Reffered: https://wordpress.org/
