New DL from amazon unable to add to Calibre

[bean901]

calibre Debug log calibre 4.19 embedded-python: True is64bit: False Windows-10-10.0.18362-SP0 Windows ('32bit', 'WindowsPE') 32bit process running on 64bit windows ('Windows', '10', '10.0.18362') Python 2.7.16+ Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free') Interface language: None Successfully initialized third party plugins: DeDRM (6, 8, 0) calibre 4.19 embedded-python: True is64bit: False Windows-10-10.0.18362-SP0 Windows ('32bit', 'WindowsPE') 32bit process running on 64bit windows ('Windows', '10', '10.0.18362') Python 2.7.16+ Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free') Interface language: None Successfully initialized third party plugins: DeDRM (6, 8, 0) Turning on automatic hidpi scaling devicePixelRatio: 1.0 logicalDpi: 120.0 x 120.0 physicalDpi: 81.5518394649 x 81.6428571429 Using calibre Qt style: True [0.00] Starting up... [0.00] Showing splash screen... [0.72] splash screen shown [0.72] Initializing db... [0.73] db initialized [0.73] Constructing main UI... [2.62] main UI initialized... [2.62] Hiding splash screen [5.36] splash screen hidden [5.36] Started up in 5.36 seconds with 85 books stdout+stderr from file dialog helper: ['', ''] piped data from file dialog helper: ['\xf3\x17Y\xa0u\xf9\x86U;\r\xb5\xd2 \xc3\xa5\x8aQ\xba=\xdc\xb3\xbe\xef\x12\xa9,\x11V\xed\xc7z>', 'C:\Users\Fred_2.homeserver\Documents\My Kindle Content\B01J0F0CAS_EBOK\B01J0F0CAS_EBOK.azw'] DeDRM v6.8.0: Trying to decrypt B01J0F0CAS_EBOK.azw Using Library AlfCrypto DLL/DYLIB/SO DeDRM v6.8.0: Failed to decrypt with error: The .kfx DRMION file cannot be decrypted by itself. A .kfx-zip archive containing a DRM voucher is required. DeDRM v6.8.0: Looking for new default Kindle Key after 0.1 seconds searching for kinfoFiles in C:\Users\Fred_2.homeserver\AppData\Local Found K4PC 1.25+ kinf2018 file: C:\Users\Fred_2.homeserver\AppData\Local\Amazon\Kindle\storage.kinf2018 Decrypted key file using IDString '2727136058' and UserName '467265645f32' DeDRM v6.8.0: Found 1 new key DeDRM v6.8.0: Ultimately failed to decrypt after 13.1 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 625, in run File "calibre_plugins.dedrm.init", line 575, in KindleMobiDecrypt DeDRMError: DeDRM v6.8.0: Ultimately failed to decrypt after 13.1 seconds. Read the FAQs at Harper's repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md Traceback (most recent call last): File "site-packages\calibre\customize\ui.py", line 428, in get_file_type_metadata File "site-packages\calibre\customize\builtins.py", line 285, in get_metadata File "site-packages\calibre\ebooks\metadata\mobi.py", line 498, in get_metadata File "site-packages\calibre\ebooks\mobi\reader\headers.py", line 295, in init File "site-packages\calibre\ebooks\mobi\reader\headers.py", line 323, in identity UnicodeDecodeError: 'utf8' codec can't decode byte 0xa2 in position 1: invalid start byte Added B01J0F0CAS EBOK to db in: 1.0 Added 1 books in 15.5 seconds Worker Launch took: 0.147000074387

Windows 10

Purchased from Amazon

[bean901]

After Dl an older version of Kindle for PC and then registering the older program and then dl the purchase I was able to add it to Calibre with DRM removed

[ElleKayEm]

The problem was the KFX format. See this post for all the ways to avoid or deal with it:

https://www.mobileread.com/forums/showthread.php?t=283371

If you're all set, you can close the issue.

[bean901]

Issued resolved with an older version of Kindle. Ensure that the option to update is unchecked