Magento Ajax Popup by Hussey Codings is coming fine when the there is product item in the cart. While the product has been removed from the mini cart or there is no product item in the cart, then the mini cart is not coming/showing... But it should be come/shown the mini cart dropdown box with message "There is no item in this mini cart" in spite of there is no cart item.
And when the there is product item in the cart, then Magento Ajax Popup by Hussey Codings has been coming, not always, one time coming, another time not coming....in magento1.9.2.4
Hi Ankan,
This extension is compatible upto 1.9.2 version so please contact hussey ccoding support team they will help in this issues.
If the issue still persists, you may try out this popup module that allows you to create fully customizable popups, put them any where on your site pages,
https://www.magentocommerce.com/magento-connect/popup-extension-show-popup-window-on-any-page.html
you can use Free Popup for Magento 2 - a universal extension to create popups with any HTML content, image or form when pages load for grab customer attention. Promote your products, news, ads and events or collect information from users by any kind of form (newsletter or any custom form) through an attractive popup window.