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AVG sends message: "We've identified a site certificate problem" "Trust for this certificate has been revoked."

Looking at certificate page that AVG provides is Greek to me. General tab displays:

"This certificate has been revoked by its certification authority"

issued to : inbound.att.net

issued by: Digicert Global G2 TLS RSA SHA256 20250 CA1

Valid from: 4/12/26 to 10/28/26

Details tab:

lists a bunch of things that I don't comprehend and offers an option to "copy to file" and lists a number of formats to copy the file to.  Have no idea which would be the one to use. 

Trying to access email directly from browser has not been successful because it wants verify my identity by sending message to my phone, but it does not send anything.

Is there any way to bring back the previous version of history that's sorted by most visited?

Like, why bring over the other sorting methods but not this one?

I know there are people that are going to be "well, why don't you bookmark the sites that you keep going to"? Because I prefer it this way. My history is my "second bookmarks" list in a way since my normal bookmarks are bloated and cluttered enough as it is.

The new look of Firefox 157 is very bad, in many ways. I am not talking only about esthetics, but Functionality. Too much distance between tabs, etc.

Is it possible to revert back to the look of Firefox 156 or earlier?

My Firefox is in English, but the new update page is never displayed in English,

https://www.firefox.com/pt-PT/whatsnew/general/?from_main_nav=true&version=155

Problem number 1: It should be based on the installed language.

Problem number 2: It says PT-PT but it's 100% PT-BR, What is "celular" and "privativo"?, sintax does not conform to european portuguese either.

The new, awkwardly rounded tabs are just awful, and on top of that, you can’t change them anymore. Please bring back the old MINIMALISTIC and STRAIGHTFORWARD look of the tabs, I’m begging you. I used Firefox only because of its minimalist style. Why are they forcing this incomprehensible THING on me without the option to choose the visual style myself?(((

I absolutely hate the new chromelike tab and address bar shapes (rounded, smaller). Whole reason I'm here is because I despise chrome. Is there any way to revert them to be larger and rectangular again, either through an add-on or in settings?

After a recent update my bookmarks toolbar appears blank. It is shown, but empty. When I go to the bookmarks menu I find all of the bookmarks shown as being on my bookmarks toolbar. How do I get them back where they belong?

In Thunderbird, the “attach” button stopped working when sending a message, although the “drag and drop” feature still works. Could you suggest what the problem might be?

Hi how can I change my browser back to how it was before the update this morning? A page came up which said something about an update but I accidentally clicked off it and I'm not sure if I picked an option to change the buttons but now they're all circular and and it's hard to see what I'm selecting because of the colors and it's hard to read the names of the tabs now they're very short only the first word or part of it. How can I change it back please?

Thank you for your time,

Linda

Hello,

Everything working just fine last night. Wake up and Thunderbird will not retrieve emails.

Remembered this old message I got so I went through and deleted my second email address, didn't help.

https://support.mozilla.org/en-US/kb/thunderbird-and-yahoo

Checked all settings compared to Yahoo, still won't download messages. I can even send a message with my current settings no problem, and it does login, just won't retrieve emails. Gives me a connection timeout.

Anyone have any ideas?

On two different Windows machines, current Firefox (153.0.1), the alt-d shortcut stops working: it does nothing until I restart Firefox. Then it works again for a while. I've tried about:keyboard and it's not reset there. I tried all combinations: Clear, Reset, setting it to alt-d explicitly. None of those worked. But when I set it to alt-a, that worked--but then resetting back to alt-d again didn't work. That shortcut is muscle memory at this point, so it's quite distressing. Not sure what diagnostics might be available to help here, happy to try anything.

Full disclosure: Both machines are Windows 10 but since that's stable, I find it hard to believe that's related.

Bonjour, La langue FRENCH est cochée dans mes paramètres et pourtant à chaque ouverture de la boite mail, tout est en anglais ! Je veux uniquement la langue FRENCH.

Merci

Yesterday (10/1/26) Firefox went through SEVERAL updates to v.157.0. Now, it behaves extremely buggy and locks up if I try to open more than one window. It was never this pathetic! I want to revert back to the previous version. Yes, I am running Win10.

Also, now it will not even close properly. I have to go into program manager to kill all of the subprocesses that have spawned. I DON'T LIKE THIS VERSION AT ALL!!!!!