Thank you for your question, I've permitted myself to split your comment from an old discussion and created a new topic for your issue.
First of all, please do the following:
Turn off and on the security features of the product:
Check that the Browsing Protection extension is enabled on the browser:
Let me know whether you still experience issues with banking protection.
After installing 20H2 problems arised with Bank Security that does not open: tried to reinstall and add again to Firefox but nothing to do.....any help ?
Thanks a lot.
However please take note problem solved only reinstalling ex new after cleaning
Thank You again !