My name is***** am sorry to hear that you are having this issue.
I will be glad to assist you with this.
This is usually caused by a glitch in the firmware and can be resolved by a forced reboot, then your kindle will work normally again. Slide or press and hold the power switch for 40 seconds, then release. Then check for normal operation.
To view or edit your 1-Click payment method:
Please let me know if this does not work for you, or if you need any other assistance.