Ticket #35257: 35257.diff

src/wp-admin/js/updates.js

@@ -524 +524 @@
                         e.preventDefault();
                         var $button = $( e.target );
 
+                        // Do nothing if the button is disabled.
+                        if ( $button.hasClass( 'button-disabled' ) ) {
+                                return;
+                        }
+
                         if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.updateLock ) {
                                 wp.updates.requestFilesystemCredentials( e );
                         }