It looks like you don't have PHP enabled for Zipping. Your server has to be setup with "--enable-zip" for the site to extract zip files. ON YOUR VPS If your trying to use the Slider Import on your own server you will need to make sure the Zip extensions are enabled. Check your php.ini file for the following: On Windows: extension=php_zip.dll On MAC and Linux: For more details see: ON HOSTED SERVERS Just contact your hosting provider and tell them you want PHP with Zip support so that the "ZipArchive Class" will work. This is a very common feature and is available on almost all shared hosting environments. Hope this helps!