Calibre crashing

[CountZero85]

Helllo

I have a slight problem that i have been trying to figure out for a while

Specs win 11 64 bit ; calibre 9.11, fanficfare 4.59.6

When I try to run fanfic fare against an author on a wellknown adult site I will ofteen crsh hard so normally even calibre-debug -g would not give an output.
Generally I noticed it crashes under fetching metadata part of the download

When i ran it throught the terminal to gather the crash the last part is

Fatal Python error: _PyEval_EvalFrameDefault: Executing a cache.
Python runtime state: initialized

Thread 0x00008358 [PoolWorkerGetStdout] (most recent call first):
File "calibre\utils\ipc\pool.py", line 58 in get_stdout
File "threading.py", line 1024 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Thread 0x0000126c [GUIPool] (most recent call first):
File "threading.py", line 369 in wait
File "queue.py", line 199 in get
File "calibre\utils\ipc\pool.py", line 215 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Thread 0x000072ec [MetadataBackup] (most recent call first):
File "threading.py", line 373 in wait
File "threading.py", line 670 in wait
File "calibre\db\backup.py", line 52 in wait
File "calibre\db\backup.py", line 58 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Thread 0x000008b4 [CheckForUpdates] (most recent call first):
File "threading.py", line 373 in wait
File "threading.py", line 670 in wait
File "calibre\gui2\update.py", line 94 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Thread 0x00005e48 [DeviceManager] (most recent call first):
File "threading.py", line 373 in wait
File "threading.py", line 670 in wait
File "calibre\gui2\device.py", line 498 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Thread 0x000087c0 [IPCServer] (most recent call first):
File "threading.py", line 373 in wait
File "queue.py", line 210 in get
File "calibre\utils\ipc\server.py", line 165 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Thread 0x00004b4c [MaintainPageCounts] (most recent call first):
File "threading.py", line 369 in wait
File "queue.py", line 199 in get
File "calibre\db\page_count.py", line 82 in run
File "threading.py", line 1082 in _bootstrap_inner
File "threading.py", line 1044 in _bootstrap

Current thread 0x0000532c (most recent call first):
File "enum.py", line ??? in _get_value
<invalid frame>

Extension modules: bypy_frozen_importer, calibre_extensions.winutil, calibre_extensions.translator, msgpack._cmsgpack, calibre_extensions.icu, calibre_extensions.speedup, regex._regex, PyQt6.QtCore, PyQt6.QtGui, PyQt6.QtWidgets, PyQt6.QtNetwork, calibre_extensions.progress_indicator, calibre_extensions.imageops, apsw, PyQt6.QtOpenGL, PyQt6.QtOpenGLWidgets, PyQt6.QtQml, PyQt6.QtQuick, xxhash._xxhash, lxml._elementpath, lxml.etree, lxml.builder, html5_parser.html_parser, calibre_extensions.fast_html_entities, calibre_extensions.pictureflow, PyQt6.QtPrintSupport, calibre_extensions.tokenizer, PyQt6.QtSvg, calibre_extensions.sqlite_extension, _brotli, calibre_extensions.wpd, calibre_extensions.wintoast, netifaces (total: 33)

I ran a disk and memory check tthey passed fine,
I also id a reinstall and update of calibre

Any assistance would be appreciated

[kovidgoyal]

you have some security software on your system that is detecting the network access and killing calibre. reboot in safe mode and see if it reproduces.

[JSWolf]

If you're not running Windows Defender, turn off the AV you are using and try again. If it works, dump what you are using and run Windows Defender.

But to be honest, you don't need anything other then Windows Defender.