I can't access the kindle store

Oops, are you troubleshooting the Kindle Paperwhite Screen Frozen problem? Have you tried all the possible ways to solve this difficulty? Not to worry, if the steps you perform don't work, we are here with some fully searched solutions that will help you to overcome Kindle Paperwhite Frozen on Lock Screen. Follow the guidelines step by step to get out of Kindle Paperwhite Screen Frozen matter easily on your own.

Steps To Solve Kindle Paperwhite Screen Frozen In Minutes

Charge The Kindle

A very common reason that leads to Kindle Paperwhite Screen frozen is the lower battery. It can be possible that you are facing screen stuck issues as of the empty or uncharged battery.

So, to let your device work properly you have to charge it first. Hopefully, charging your device will help you to overcome Screen frozen on Kindle.

Uninstall Corrupted File

If you have downloaded a wrong or corrupted file then you are definitely going through with Kindle paperwhite frozen on lock screen as well as scattering issues with Kindle.

Kindly uninstall the corrupted file as quickly as you can do, otherwise, it will cause damage to your device.

Restart Your Kindle Paperwhite. Many issues with your Kindle, such as a frozen screen or issues with downloading content, can be solved by restarting your device. Help for Kindle Paperwhite (5th Generation). Press and hold the Power button for seven seconds until the Power dialogue box appears, and then tap Restart.

Amazon.co.uk Help: Quick Fix: Restart Your Kindle Paperwhite

https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=201176080..
or go to this link might help you out... Kindle paperwhite won respond to Swipe to unlock Kindle Google Search

The paperwhite is only for reading books. As to the books you never lose them unless you go to your online kindle account and delete them from there. All info on your reader is also stored in the cloud.
To do the reset press and hold the start button for 20-30 seconds. Release, you will see some flashing which is normal. Then you will see the load bar. Just leave it until it settles down. You should be able to access you books after that.

Yes, Kindle is a name used for all the Amazon tablets and e-readers.

Kindle 2, 4, 5, 7, 8
Kindle DX
Kindle Touch
Kindle paperwhite (1,2,3 generation)
Kindle Voyage
Kindle Oasis
Kindle FIre 7
Kindle Fire HD 6, 7, 8, 8.9, 10
Kindle Fire HDX 7, 8.9

And I probably missed some in here.

I've had that happen a few times and it turned out to be nothing more than some problem with the Kindle Store itself. Try waiting an hour or two and trying again.

Forgot my password

Did you forget the password used to unlock your Kindle? If so, you'll need to reset the device to gain access. By resetting, your Kindle will be restored to factory defaults, which means your registration information and content will be removed, and all settings will return to the defaults.

To reset a Kindle Touch or Kindle Paperwhite:
1. Press and release the power button to turn on the device or exit sleep mode
2. Tap the password field to bring up the onscreen keyboard
3. Enter "111222777" and select "OK"

If you don't remember your Parental Controls password, you can deregister your device instead of resetting, as long as you're connected to a wireless network. You'll need to redownload your content, but items that were transferred via USB will be kept. Here's what to do:

1. Visit the Manage Your Content and Devices (www.amazon.com/manageyourkindle) page on your computer
2. Select the "Manage Your Devices" link
3. Select "Deregister" to deregister your device from your account
Sync your Kindle, then register again.

If you need help with your Wi-Fi password, please contact your Internet Service Provider or router manufacturer.

Contact Kindle directly and get a technician on line to walk you through the process.

First reaction is to reset the tablet. Second check if you still can logon with your ID on the Kindel Store. Then try to buy a book. When the error keeps coming back goto the support page from Amazon with the link here:
Fire Kindle Echo Support