As the Amazon wants to build its own digital ecosystem, employing Kindle KFX DRM to all books becomes a trending. Since more and more Kindle eBooks have been encrypted with Kindle KFX DRM, Epubor Ultimate has been released as the first tool on the market to remove Kindle KFX DRM. Few users may come across the 'Kindle KFX DRM Remove failed' issue when using Epubor Ultimate. If you are failed to remove Kindle KFX DRM, you may feel disappointed at Epubor Ultimate or you may even uninstall this software to express your discontent. We cannot blame our customers for uninstalling Epubor Ultimate, but we do try our best to figure out what causes the failure.
After testing Epubor software and analyzing the bug reports from our users, one thing is entirely clear is that the 'Kindle KFX DRM removing failed' issue is mainly caused by mal-operation. In this article, I will list the reasons that may cause the Kindle DRM removing failure and how to remove Kindle KFX DRM successfully with Epubor Ultimate.
Some users may deregister their Kindle for PC/Mac after downloading the books. In this situaion, you will be failed to remove Kindle DRM.
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.