Environment: Anki 26.9.2, Windows x64, MSI install upgraded in place over an earlier 26.x. Summary: After upgrading, Anki won’t start. The traceback ends in: AttributeError: module 'charset_normalizer.md' has no attribute 'CharInfo' It’s raised while requests is imported from aqt/__init__.py, so …

Application quit abnormally! Traceback (most recent call last): File "", line 203, in _run_module_as_main File "", line 88, in _run_code File "/home/runner/work/anki/anki/out/installer/build/anki/linux/zip/anki/app/anki/main.py", line 21, in File "/home/runner/work/anki/anki/out/installer/buil…

Was able to get a different error by uninstalling and reinstalling, see my latest post for that error message

I’ve installed the new version of Anki 26.09.2 but I can’t open it. It shows : Traceback (most recent call last): File “D:\a\anki\anki\out\installer\build\anki\windows\visualstudio\x64\Release\app\anki_main_.py”, line 21, in File “D:\a\anki\anki\out\installer\build\anki\windows\visualstudio\x64\…

@SolarBison27 @ateryl I merged your posts here. See OP’s suggestion.

Thank you. We’re looking into it.

When I installed the latest version of Anki 26.09.2, it won’s start with the following error logs on my Windows Laptop, Windows 11. ``` Traceback (most recent call last): File “D:\a\anki\anki\out\installer\build\anki\windows\visualstudio\x64\Release\app\anki_main_.py”, line 21, in File “D:\a\ank…

I merged your post here. See OP’s suggestion.

Thank you and it works perfectly.

I can confirm this fix worked for me. I upgraded Anki to 26.9.2 on Windows 11 and received the exact AttributeError: module 'charset_normalizer.md' has no attribute 'CharInfo' error shown above. My installation was at %LOCALAPPDATA%\Programs\Anki. I deleted: app_packages\charset_normalizer\cd.cp…

Anki 26.09.2 won't start — AttributeError: module 'charset_normalizer.md'

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Danika_Dakika September 23, 2026, 4:15pm 15

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Anki 26.09.2 won't start — AttributeError: module 'charset_normalizer.md'

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