Windows 10: payment method not showing up

Years ago I have added a credit card payment method to the microsoft store.This has worked correct but now I have received a replacement card with a new/later expiration date which I want to adapt on microsoft.When I choose "payment methods" menu in the sore it opens the item "payment options" but shows an empty/blanc screen under "add method": I cannot find my payment method/credit card.In the upper of the page there is "notifications" which tells "your card will expire soon" .There is an update button but this does not function: I have updated the expire date and saved a while ago but there

:)

 

To REMOVE a payment method or switch between payment methods

To add a payment method or switch between payment methods By default, apps are added to your phone bill when mobile payments are offered. To pay with a credit card instead:

• On the phone or on windowsphone.com, tap
  Add or switch payment methods on the purchase confirmation screen.
• Add a new payment method or change the payment method.

Like always, things are made difficult for the end user

HOW TO REMOVE A PAYMENT METHOD ?

I have removed my visa card, but now have my mobile operator listed as a payment method, how to REMOVE this ?

 

payment method

To add a card or other payment method to your Microsoft account:

• Sign in to account.microsoft.com.
  
• Go to Payment & billing and select
  Payment options.
• Select Add payment option.
  
• Fill in the required fields, and hit Next. If you don't get any more prompts, you're done.

Its the only way I can help....