DeDRM textbook for printing

[JayCeeDeDRM]

The following info came from the command prompt to debug. How do I get Calibre to DeDRM my textbook.

Microsoft Windows [Version 10.0.17134.472] (c) 2018 Microsoft Corporation. All rights reserved.

C:\Users\johnn>calibre-debug -g calibre 3.36 embedded-python: True is64bit: False Windows-10-10.0.17134-SP0 Windows ('32bit', 'WindowsPE') 32bit process running on 64bit windows ('Windows', '10', '10.0.17134') Python 2.7.12+ Windows: ('10', '10.0.17134', 'SP0', u'Multiprocessor Free') Interface language: None Successfully initialized third party plugins: DeDRM (6, 6, 1) Turning on automatic hidpi scaling devicePixelRatio: 1.0 logicalDpi: 96.0 x 96.0 physicalDpi: 128.0 x 128.186915888 Using calibre Qt style: True [0.00] Starting up... [0.02] Showing splash screen... [0.14] splash screen shown [0.14] Initializing db... [0.16] db initialized [0.16] Constructing main UI... [1.83] main UI initialized... [1.83] Hiding splash screen [2.48] splash screen hidden [2.48] Started up in 2.48 seconds with 1 books stdout+stderr from file dialog helper: ['', ''] piped data from file dialog helper: ['<5\n\x86\xa5j\x1b\xf6B-p\t \xf9\x88\xc2\x1f\xe1w\xd3\xde\xd0Y\x96\xc51\xad:\x17\x17\nZ', 'C:\Users\johnn\OneDrive\Documents\My Kindle Content\B01MTFHLLE_EBOK\B01MTFHLLE_EBOK.azw'] DeDRM v6.6.1: Trying to decrypt B01MTFHLLE_EBOK.azw Using Library AlfCrypto Python MobiDeDrm v0.42. Copyright © 2008-2017 The Dark Reverser, Apprentice Harper et al. Decrypting Mobipocket 4 ebook: Environmental Science Found 0 keys to try after 1.5 seconds Crypto Type is: 2 DeDRM v6.6.1: Failed to decrypt with error: No key found in 0 keys tried. DeDRM v6.6.1: Looking for new default Kindle Key after 1.5 seconds searching for kinfoFiles in C:\Users\johnn\AppData\Local No K4PC kindle.info/kinf/kinf2011 files have been found. DeDRM v6.6.1: Ultimately failed to decrypt after 1.5 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md Running file type plugin DeDRM failed with traceback: Traceback (most recent call last): File "site-packages\calibre\customize\ui.py", line 172, in _run_filetype_plugins File "calibre_plugins.dedrm.init", line 621, in run File "calibre_plugins.dedrm.init", line 571, in KindleMobiDecrypt DeDRMError: DeDRM v6.6.1: Ultimately failed to decrypt after 1.5 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md Added Environmental Science to db in: 3.2 Added 1 books in 5.8 seconds Worker Launch took: 0.156999826431

[ElleKayEm]

Use Kindle for PC version 1.24 or earlier.

[j-howell]

Be aware that if you rented that textbook instead of buying it then these tools will not remove DRM from it.

[JayCeeDeDRM]

Textbook was purchased not rented