If you are using any E-commerce theme made by Colorlabs, you might facing the problem above.
Yes, the picture above is taken from the cart page (WooCommerce). As you can see, the total information is doubled. At this tutorial i will tell you about how to fix it.
First, you have to logging in into your FTP and go to directory: wp-content → themes → your-theme → woocommerce.
Inside the WooCommerce folder, find out a folder named cart. Remove that folder or simply rename it into any name you want. For example: cart-old.
Once you did it, the problem should be gone!