Please leave the 'Apply this payment method to all active subscriptions' box checked, as this is necessary for the update to occur.
You can also update your payment method from the 'Memberships' tab in 'My Account', by selecting 'Update renewal payment method' under the 'Manage' dropdown:
You can then choose which card to use for your renewal payment, or add a new card:
Another place to manage your credit card information is under the Payment tab. You can also set your default payment type there:
If you run into any issues, don't hesitate to contact us through our form.