If you have a Kindle device, please try the following steps:
  1. Turn your router off and on again.
  2. Hold down the power button on your Kindle for 20 seconds and then turn it on again.
  3. Swipe down from the top of the screen and tap 'More' > 'Applications' > 'Installed Applications' and find Covet Fashion. Tap 'Force Stop' and 'OK', then tap 'Clear Data' and 'OK'.
  4. Make sure that the date and time are correct by swiping down from the top and tapping 'More' > 'Date and Time'.
  5. Try de-registering your Kindle Fire HD by swiping down from the top and tapping 'More' > 'My Account' > 'Deregister'.