Solution for WordPress Upgrade Error „Another Update in Process“

In some cases, when upgrading WordPress, you may encounter the error message „Another Update in Process“. To resolve this issue, you can use the following methods:

Method 1: Use the plugin Fix Another Update In Progress

Download LinkAfter installing this plugin, enable it in the admin dashboard, then find the plugin settings to proceed.

Method 2: Use code

Edit the theme, add the following code to the theme's functions.php file, then test the update again. Delete the code once it's successful.

global $wpdb;
$wpdb->query("DELETE FROM wp_options WHERE option_name = 'core_updater.lock'");

Method 3: Delete via database

Access your website„s database, search for `core_updater.lock`, and delete the corresponding entry. All three methods above can resolve the “Another Update in Process„ error. However, depending on your website environment, not every method may work for you. If you want the most straightforward solution, Method 3 is often the most effective.