The ‘review order’ page loads the payment methods/totals via ajax – this display a loading spinner briefly. If there are problems, this section may fail to load or the spinner may remain.
First you should check WooCommerce > System Status for errors – often errors will be highlighted.
Still having problems? Common causes and resolutions are listed below.
1 Themes and plugins can often cause problems (especially poorly coded ones!) with JavaScript. To check for errors use your browser’s error console.
2 Transactions email may cause it .On some servers, the sending of checkout-related emails can cause trouble. You can enable the following filter to defer emails from sending until after the order is sent through, which speeds things up,
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