If you see an error that says,
Your account is on hold because of a problem with your last payment.
Netflix was unable to collect a payment because of one of the following:
Solution: Simply go to netflix.com/payment to update your payment method. Once that information has been updated you can continue enjoying Netflix again.
If you're still having trouble updating your account with new payment information, you may want to reach out to your card issuer to ensure the card information is up to date and matches what you see on your card.