Fixing the jQuery version in osCommerce Updated on August 16, 2021 by InMotion Hosting Contributor 1 Minutes, 51 Seconds to Read When installing the Theme Switcher on your osCommerce site, you will encounter errors regarding the jQuery files not being found. Please see the snapshot to the right. This is because when the osCommerce was released, the version was changed. This article will explain how to update your osCommerce to the newest version of jQuery. The versions of jQuery at the time of this article are the jQuery 1.9.1 and the jQuery UI 1.10.2. Steps to update your osCommerce jQuery First you will need to get the newest versions of jQuery. Below are the steps to update the newest versions of jQuery and jQueryUI. jQuery 1.9.1 Download the newest version (at this time 1.9.1) from the link below: jQuery You should have a file named jquery-1.9.1.min.js on your desktop. Upload the file to the following directory in your osCommerce installation. /ext/jquery/ jQueryUI 1.10.2 Next you will need to get the jQueryUI files. Download the newest jQueryUI (At this time 1.10.2) from the link below jQueryUI Select 1.10.2 and select the Redmond theme from the drop box and click download. See image to the right. When you download the .zip file you should have a file named jquery-ui-1.10.2.custom. You will need extract the files on your local computer, open the folder and rename the following file: /development-bundle/themes/redmond/jquery-ui.css Rename to: /development-bundle/themes/redmond/jquery-ui-1.10.2.css Next, rename the the following file in the jQueryUI files on your computer. /js/jquery-ui-1.10.2.custom.min.js Rename to: /js/jquery-ui-1.10.2.min.js Upload the /development-bundle/themes/redmond folder to your server in the following location on your server. /ext/jquery/ui Configuring the Theme Switcher Log into your osCommerce Administrative Dashboard. Go to Modules > Header Tags on the right. Select the Theme Switcher module and click edit at the top of the module interface. When the screen loads you will see the default jQuery values in the “Jquery Version” and “Jquery UI Version” box. See image to the right. Change the Values to the new jQuery versions. See image to the right. Click Save. Now the red errors will be gone. If you still see the red errors, its because you did not rename the files correctly or you uploaded the files in the wrong location. Share this Article Related Articles Set up SSL with OsCommerce and Zen Cart Getting Started Guide OsCommerce How to add a new category in osCommerce Adding Google Analytics to osCommerce Setting up SMTP with osCommerce OsCommerce register_globals error How to perform a bulk price change for all products in OSCommerce How to find your database name in osCommerce How to Install osCommerce via Softaculous How to Secure the configure.php File for osCommerce