ApplicationPaletteChange event ignored
Using calibre Qt style: True
ApplicationPaletteChange event received
calibre Debug log
calibre 8.16.2  embedded-python: True
Windows-10-10.0.26200-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.26200')
Python 3.11.14
Windows: ('10', '10.0.26200', 'SP0', 'Multiprocessor Free')
Interface language: None
EXE path: C:\Program Files\Calibre2\calibre-debug.exe
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (2, 28, 0) && DeDRM (10, 0, 15) && Package KFX (from KFX Input) (2, 28, 0) && KFX metadata reader (from KFX Input) (2, 28, 0) && From KFX (2, 28, 0) && KFX Input (2, 28, 0) && Set KFX metadata (from KFX Output) (2, 18, 0) && KFX Output (2, 18, 0)
calibre 8.16.2  embedded-python: True
Windows-10-10.0.26200-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.26200')
Python 3.11.14
Windows: ('10', '10.0.26200', 'SP0', 'Multiprocessor Free')
Interface language: None
EXE path: C:\Program Files\Calibre2\calibre-debug.exe
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (2, 28, 0) && DeDRM (10, 0, 15) && Package KFX (from KFX Input) (2, 28, 0) && KFX metadata reader (from KFX Input) (2, 28, 0) && From KFX (2, 28, 0) && KFX Input (2, 28, 0) && Set KFX metadata (from KFX Output) (2, 18, 0) && KFX Output (2, 18, 0)
QPA platform: windows
devicePixelRatio: 1.0
logicalDpi: 96.0 x 96.0
physicalDpi: 92.53889943074003 x 92.67567567567568
[0.00] Starting up...
[0.01] Showing splash screen...
[1.31] splash screen shown
[1.31] Initializing db...
[1.58] db initialized
[1.58] Constructing main UI...
[2.78] GUI main window shown
[2.88] main UI initialized...
[2.88] Hiding splash screen
[2.88] splash screen hidden
[2.88] Started up in 2.88 seconds with 10666 books
Gather KFX-ZIP (from KFX Input) 2.28.0: Importing C:\Users\<user>\Documents\My Kindle Content\B0F1ZBZLMS_EBOK\B0F1ZBZLMS_EBOK.azw
Gather KFX-ZIP (from KFX Input): Gathered 4 file(s) as C:\Users\<user>\AppData\Local\Temp\calibre-tbon_2r4\matb8ywe.kfx-zip
DeDRM v10.0.15: Trying to decrypt matb8ywe.kfx-zip
Decrypting KFX-ZIP ebook: matb8ywe
Keys not found in the database keyfile.
Found 1 keys to try after 0.3 seconds
Decrypting KFX DRM voucher: amzn1.drm-voucher.v1.0237e147-8c2e-486d-95f5-061be3f76e35.voucher
Envelope version com.amazon.drm.VoucherEnvelope@10018.0
Got 0 shared key candidates {} amzn1.drm-voucher.v1.0237e147-8c2e-486d-95f5-061be3f76e35
Lock parameters used: ['ACCOUNT_SECRET', 'CLIENT_ID']
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Failed all decryption attempts and no key candidate available
Traceback (most recent call last):
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\kfxdedrm.py", line 112, in decrypt_voucher
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1422, in decryptvoucher
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1406, in decryptvoucher
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 788, in pkcs7unpad
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 126, in _assert
Exception: Incorrect padding - Wrong key
Envelope version com.amazon.drm.VoucherEnvelope@10018.0
Got 0 shared key candidates {} amzn1.drm-voucher.v1.0237e147-8c2e-486d-95f5-061be3f76e35
Lock parameters used: ['ACCOUNT_SECRET', 'CLIENT_ID']
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Decryption failed, trying next fallback 
Failed all decryption attempts and no key candidate available
Traceback (most recent call last):
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\kfxdedrm.py", line 112, in decrypt_voucher
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1422, in decryptvoucher
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1406, in decryptvoucher
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 788, in pkcs7unpad
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 126, in _assert
Exception: Incorrect padding - Wrong key
Failed to decrypt KFX DRM voucher with any key... Hoping that keylist has a book key. 
Decrypting KFX DRMION: B0F1ZBZLMS_EBOK.azw
DeDRM v10.0.15: Failed to decrypt with error: Incorrect AES key length (0 bytes)
Traceback (most recent call last):
  File "calibre_plugins.dedrm.__init__", line 950, in KindleMobiDecrypt
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\k4mobidedrm.py", line 204, in GetDecryptedBook
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\kfxdedrm.py", line 75, in processBook
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1618, in parse
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1647, in processpage
  File "Crypto\Cipher\AES.py", line 228, in new
  File "Crypto\Cipher\__init__.py", line 79, in _create_cipher
  File "Crypto\Cipher\_mode_cbc.py", line 274, in _create_cbc_cipher
  File "Crypto\Cipher\AES.py", line 90, in _create_base_cipher
ValueError: Incorrect AES key length (0 bytes)
DeDRM v10.0.15: Looking for new default Kindle Key after 0.3 seconds
searching for kinfoFiles in C:\Users\<user>\AppData\Local
No K4PC kindle.info/kinf/kinf2011 files have been found.
DeDRM v10.0.15: Ultimately failed to decrypt after 0.3 seconds. Read the FAQs at noDRM's repository: https://github.com/noDRM/DeDRM_tools/blob/master/FAQs.md
Running file type plugin DeDRM failed with traceback:
Traceback (most recent call last):
  File "calibre_plugins.dedrm.__init__", line 950, in KindleMobiDecrypt
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\k4mobidedrm.py", line 204, in GetDecryptedBook
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\kfxdedrm.py", line 75, in processBook
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1618, in parse
  File "C:\Users\<user>\AppData\Roaming\calibre\plugins\DeDRM.zip\ion.py", line 1647, in processpage
  File "Crypto\Cipher\AES.py", line 228, in new
  File "Crypto\Cipher\__init__.py", line 79, in _create_cipher
  File "Crypto\Cipher\_mode_cbc.py", line 274, in _create_cbc_cipher
  File "Crypto\Cipher\AES.py", line 90, in _create_base_cipher
ValueError: Incorrect AES key length (0 bytes)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "calibre\customize\ui.py", line 215, in _run_filetype_plugins
  File "calibre_plugins.dedrm.__init__", line 1052, in run
  File "calibre_plugins.dedrm.__init__", line 1003, in KindleMobiDecrypt
calibre_plugins.dedrm.DeDRMError: DeDRM v10.0.15: Ultimately failed to decrypt after 0.3 seconds. Read the FAQs at noDRM's repository: https://github.com/noDRM/DeDRM_tools/blob/master/FAQs.md
Package KFX (from KFX Input) 2.28.0: Packaging C:\Users\<user>\AppData\Local\Temp\calibre-tbon_2r4\matb8ywe.kfx-zip
Processing container: B0F1ZBZLMS_EBOK.azw
Running file type plugin Package KFX (from KFX Input) failed with traceback:
Traceback (most recent call last):
  File "calibre\customize\ui.py", line 215, in _run_filetype_plugins
  File "calibre_plugins.kfx_input.package_filetype", line 23, in run
  File "calibre_plugins.kfx_input.package_filetype", line 34, in package_kfx
  File "calibre_plugins.kfx_input.kfxlib.yj_book", line 79, in convert_to_single_kfx
  File "calibre_plugins.kfx_input.kfxlib.yj_book", line 213, in decode_book
  File "calibre_plugins.kfx_input.kfxlib.yj_book", line 331, in get_container
calibre_plugins.kfx_input.kfxlib.utilities.KFXDRMError: Book container B0F1ZBZLMS_EBOK.azw has DRM and cannot be converted
KFX metadata reader (from KFX Input) activated for C:\Users\<user>\AppData\Local\Temp\calibre-tbon_2r4\3yqlcre8_add_books\0\B0F1ZBZLMS_EBOK.kfx-zip
stdout+stderr from file dialog helper: [b'', b'']
piped data from file dialog helper: [b'\xe0 \x9c\xac\xecn\x08\x14(\xc7\xd7\xe3\x04q\x8d\xeb_\xf4\xe0\xf0\xec\xc7\x17\xb7\x05b\n\x0b\xd2\xaa\xde\xa8', b'C:\\Users\\<user>\\Documents\\My Kindle Content\\B0F1ZBZLMS_EBOK\\B0F1ZBZLMS_EBOK.azw']
Added Heart the Lover to db in: 0.1
Traceback (most recent call last):
  File "calibre\db\backend.py", line 189, in write_serialized
PermissionError: [Errno 13] Permission denied: 'C:\\Users\\<user>\\Documents\\Calibre Library\\metadata_db_prefs_backup.json'
Added 1 books in 1.1 seconds
[21.08] Shutdown starting...
[23.39] Shutdown complete, quitting...