Common errors

1. ImportError

Import Error

Reason 11:

Windows Defender might delete or quarantine the file, so users need to restore it before running the code again.

How to restore the file from Quarantine:

1. Open Windows Security by pressing Win + S, type “Windows Security,” then open the application.

2. Go to “Virus & threat protection.”

3. Click “Protection history.”

4. Find the “Threat quarantined” entry related to FiinQuant\__init__.py.

5. Click “Actions” → Select “Restore.”

🔹 Note: If Windows Defender automatically deletes the file, you need to reinstall the FiinQuant library after restoring it.