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In Preferences - Advanced - Encryption - View Certificates - Authorities, the "Delete or Distrust" Option appears to be inoperative (recently been hacked).

Posted

I attempted the previous steps in an effort to delete some suspicious looking certificates following unusual experiences online using WiFi without success. I "deleted" a number of different certificates and then selected "ok" only to see them all reappear again, and again. since experiencing a recent hacking event, I have also enacted a number of other steps involving our WiFi, Computer, and e-mail provider in addition to the Firefox Browser. Any thoughts?

Chosen solution

You can't remove build-in root certificates.
You can only remove the trust bits to prevent Firefox from using the certificate as root certificate and that is what Firefox does in such a case.
You can verify that by clicking the Edit button.

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cor-el
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Chosen Solution

You can't remove build-in root certificates.
You can only remove the trust bits to prevent Firefox from using the certificate as root certificate and that is what Firefox does in such a case.
You can verify that by clicking the Edit button.