Solution: Please ensure your Kindle for PC/MAC are registered even if you have finished the downloading. If you really want to de-register your Kindle for PC/MAC on your computer, you can do it after the DRM has been removed from your Kindle books.
Q: Can I remove Kindle kfx DRM from Kindle devices?
Epubor Ultimate can handle books downloaded via Kindle device, not including Kindle Fire Tablet, but only Kindle e-ink devices. In this situation, you only have to plug your Kindle device to your computer. Then Epubor Ultimate will detect the Kindle Serial Number and use it to generate key to decrypt your Kindle books.
Detailed Guide>> How to Remove DRM from Kindle KFX eBooks downloaded via Kindle e-Ink devices.
If your Kindle firmware has been updated to 5.10.2 or later, you are not able to remove DRM from Kindle books downloaded via these devices. Just follow the solution for Kindle firmware 5.10.2 to fix this issue.
4You move your Kindle eBooks to other folder without the full content.
Some people move their books to the desktop for removing DRM. This is really unnecessary as Epubor Ultimate can dectect your default 'My Kindle Content' folder and display the books in the left column. The big difference between Kindle old format and the Kindle KFX format is the Kindle KFX ebook is consisted of a series of files and stored in one folder. So if you want to remove DRM from Kindle KFX ebooks on your desktop or other folders, please ensure you have the whole Kindle KFX eBook folder, not only a file with the extension of azw or kfx.
If the above 4 situations are not applied to you, you can also try the below method to solve your 'Kindle KFX DRM Remove failed' issue.
5The failure may be cuased by computer environment.
We know computer system environments are verious and some special computer environment will also cause the failure of removing Kindle KFX DRM. Although this possibility is quite slow, we still provide the solution to this situation.
1Solutions for Windows system
Step 1: Clear the cache of Epubor Ultimate. Please delete the .ultimate folder. You can find it here: C:UsersusernameAppDataRoaming.Ultimate.
Step 2: Please delete Epubor_keys folder. You can find it here: C:Usersusername.Epubor_Keys.
Step 3: Then run Epubor Ultimate to remove the DRM. If you are failed again, please delete the failed books and redownload them again. Run Epubor software to remove the DRM.
Note:
If your computer has been updated to Mac 10.15 Catalina, please don't use this method. Try Epubor KCR Converter.
If you are on Mac, it will be a slight difference.
Step 1. Delete all content Kindle content folder
Open terminal, and then copy this command rm -rf ~/Library/Application Support/Kindle/storage to the terminal and then press on “enter' to delete all files in Kindle content folder.
Open the terminal and copy the following command to the terminal rm -rf ~/Library/Containers/com.amazon.Kindle/Data/Library/Application Support/Kindle/storage and then press on “enter”.
Then copy this command rm -rf ~/Library/Application Support/Kindle and press on “enter” again.
If you have changed the directory of Kindle content folder, you have to find the folder and delete all the files manually.
Step 2. Please also delete the Epubor Key file at your Mac. You can find it here: You can find the Epubor Key files here: Mac: /Users/system user/.Epubor_Keys/
Step 3. Redownload the books and run Epubor software to remove the DRM
Now you only have to re-sync your Kindle books and run Epubor Ultimate to remove the DRM.
Ultimate Ways to Remove Kindle KFX DRM
If above solutions cannot fix your problem, here I want to share the ultimate way to help you remove Kindle DRM.
Ultimate wayDownload and Transfer via USB
Please note: Please ensure you have at least one Kindle eink device and this device is registered with your Kindle account.
Do you know that Amazon allows you to download Kindle books and transfer via USB from its online library? Why not download the Kindle books directly from the Amazon website and remove the DRM. An article on our website has given you detailed guide about downloading Kindle eBooks from Amazon website directly and removing Kindle AZW3 DRM--Download &Transfer Kindle Books via USB and Remove Kindle DRM. I am sure you will get your problem fixed by this method.
Get Assistance from Epubor Support Team
Epubor team offers various access to Epubor Support Teamfor helping our customer fix their issues and inquiries. If the all above mentioned solutions cannot fix your issues, please feel free to contact Epubor Customer Service Center via following methods:
starting a livechat
open a ticket
email to us
skype: [email protected] Epubor team will get back to you within 24 hours and try our best to help you fix your problem as soon as possible.
Iris Yan joined Epubor since 2017. She always wants to share everything related to ebook reading and improve your reading journey.
Kindle For Mac App
Remove DRM from Kindle device and Kindle for PC/Mac with no quality loss, support AZW, AZW3, PRC, Mobi, KFX etc.
Due to a change in Kindle DRM, Kindle books downloaded via Kindle for PC/Mac version 1.25 or newer or with Kindle firmware 5.10.2 or newer are with tougher Kindle DRM. Epubor Kindle DRM Removal still can help you remove Kindle DRM.