Tried it on two servers:
Failed to load resource: the server responded with a status of 404 (Not Found) http://mysite.com/wp-admin/load-styles.php?c=1&dir=ltr&load=dashboard,plugin-install,global,wp-admin&ver=030f653716b08ff25b8bfcccabe4bdbd
Failed to load resource: the server responded with a status of 404 (Not Found) http://mysite.com/wp-admin/load-scripts.php?c=1&load=jquery,utils,quicktags&ver=b50ff5b9792a9e89a2e131ad3119a463
Failed to load resource: the server responded with a status of 404 (Not Found) http://mysite.com/wp-content/plugins/crossslide-jquery-plugin-for-wordpress/media-uploader-script.js?ver=3.4.1
Failed to load resource: the server responded with a status of 404 (Not Found) http://anothersite.com/wp-content/plugins/crossslide-jquery-plugin-for-wordpress/media-uploader-script.js?ver=3.4.1
Looks like media-uploader-script.js is missing from the plugin folder-is that correct?
http://wordpress.org/extend/plugins/crossslide-jquery-plugin-for-wordpress/