Wp Version: 3.5, previous version of the plugin was: 2.9.1
Operating System: CentOS 6 (32bit)
PHP Version: 5.3.19
MySQL version: 5.5.28
Active plugins : akismet/akismet.php, enhanced-text-widget/enhanced-text-widget.php, google-sitemap-generator/sitemap.php, jetpack/jetpack.php, lightbox-plus/lightboxplus.php, login-logo/login-logo.php, no-category-base-wpml/no-category-base-wpml.php, subscribers-text-counter/subscribers-text-counter.php, theme-test-drive/themedrive.php, w3-total-cache/w3-total-cache.php, wordpress-seo/wp-seo.php, wp-auto-affiliate-links/WP-auto-affiliate-links.php, wp-united/wp-united.php, yet-another-related-posts-plugin/yarpp.php