Firefox Root Certificate Expiration: Questions & Tips for Updating

Important update! On March 14, 2025, a critical root certificate in Firefox will expire. If you’re still using an older version (before Firefox 128 or ESR 115.13+), it’s … (read more)

Important update! On March 14, 2025, a critical root certificate in Firefox will expire. If you’re still using an older version (before Firefox 128 or ESR 115.13+), it’s crucial to update to Firefox 128 or newer to avoid issues with add-ons, DRM-protected content, and other features.

For full details, check out Update Firefox to prevent add-ons issues from root certificate expiration.

If you have questions about the update or need help with the process, this is the place to ask! Whether you’re just starting or you’ve already updated and want to share your experience, we’d love to hear from you.

Let’s come together, share tips, and ensure we’re all prepared. Drop your questions or insights below!

Asked by Lucas Siebert 3 months ago

Last reply by CrisBCT 9 hours ago

Your account has been locked for security reasons

I'm getting a message "Your account has been locked for security reasons" when trying to signin into firefox or using my regular signin method on the mozilla website. Wh… (read more)

I'm getting a message "Your account has been locked for security reasons" when trying to signin into firefox or using my regular signin method on the mozilla website.

When i use the Google option it works on the website (including support page) but in the browser this option is not available. I'm unable to unblock my account. Haven't received un unblock email or something.

Asked by Sidney M 5 days ago

Last reply by F. 5 days ago

The mail site certificate...... is not valid for this server. Someone may try to impersonate the server. Do not continue.

I'm experiencing an issue with Thunderbird that started unexpectedly. Whenever I try to access my email, I get a warning message saying that "The site certificate is not … (read more)

I'm experiencing an issue with Thunderbird that started unexpectedly. Whenever I try to access my email, I get a warning message saying that "The site certificate is not valid for this server. Someone may be trying to impersonate the server. It is not recommended to proceed."

I'm not sure why this error has suddenly appeared, as everything was working fine before. I haven’t made any changes to my email settings or installed new software recently. Has anyone else encountered this issue or knows how to resolve it?

Asked by Amadeusz K 5 months ago

Last reply by David Janiszewski 1 week ago

holding back button does nothing on mobile

For some reason on android firefox I'm no longer able to pull up a tab's history by holding down the back button. I can still press to go back, but there's no way to eith… (read more)

For some reason on android firefox I'm no longer able to pull up a tab's history by holding down the back button. I can still press to go back, but there's no way to either go back several pages or to go forward if I have already gone back.

Asked by ovee 2 days ago

Last reply by Ann Miner 8 hours ago

Hold back button to show previous pages

On the latest Firefox Nightly builds (I use Nightly for extensions), holding the back button in the Android navigation bar no longer brings up previous pages, like it doe… (read more)

On the latest Firefox Nightly builds (I use Nightly for extensions), holding the back button in the Android navigation bar no longer brings up previous pages, like it does when holding the back button in the three dot menu. Is there a config option to bring this back?

Asked by scott06thomas 1 month ago

Last reply by Paul 1 month ago

SPAM filtering?

I just installed the Android mobile version of Thunderbird. I was wondering if it supports any form/method of SPAM filtering? If so, how do I access/use it? TIA! … (read more)

I just installed the Android mobile version of Thunderbird. I was wondering if it supports any form/method of SPAM filtering? If so, how do I access/use it?

TIA!

Asked by Cumulus 2 months ago

Last reply by SD 1 day ago

How to turn off ad blocker

When trying to use one particular website on Firefox, I get a message that I am blocked because of an ad blocker but I have not turned on any ad blocker in Firefox. How d… (read more)

When trying to use one particular website on Firefox, I get a message that I am blocked because of an ad blocker but I have not turned on any ad blocker in Firefox. How do I find out if an ad blocker is enabled on my Firefox and, if so, how do I turn it off? I have ensured that the ad blocker option in settings is unchecked and even added this web site to permissions but to no avail. Can someone help? Here is the message I get but none of the steps in this message I am told to take show up on my screen:

Adblock Plus Instructions

   Click the AdBlock Plus icon in the extension bar.
   Beneath “Block ads on”, click the large blue toggle next to “This website”.
   Click refresh.

Were these instructions helpful?

Asked by Bruce Nicholson 4 months ago

Last reply by cor-el 4 months ago

Holding down back button no longer pulls up list of previously visited pages in Nightly

I used to be able to hold the back button down so I could see a short history for the current tab, and I'm not sure if it was an update or a bug, but does anyone know if … (read more)

I used to be able to hold the back button down so I could see a short history for the current tab, and I'm not sure if it was an update or a bug, but does anyone know if it's possible to enable it in about:config? It's really useful when you're trying to go back but a redirect is preventing you.

Asked by jeesyclaw 1 month ago

Last reply by Paul 1 month ago

Internet Download Manager (IDM)

For some reason, IDM will not work in Firefox/DuckDuckGo. even though it worked a couple of weeks ago. I contacted IDM support who have tried everything they have, but no… (read more)

For some reason, IDM will not work in Firefox/DuckDuckGo. even though it worked a couple of weeks ago. I contacted IDM support who have tried everything they have, but no change.

Here is the issue: 1. I open Firefox (Duck Duck Go is my default) (132.0.2 (64-bit) 2. I type "vintage sci fi movies" 3. Click on "videos" 4. Pick any movie (example: The Phantom Planet (black and white but this does not matter) 5. In the Choose How you Watch, I click the left icon - Watch Here, and not Watch on YouTube; also click Remember my choice 6. The movie starts but there is no IDM dialogue 7. If I then click Watch on YouTube inside the movie, it switches to YouTube and the movie starts, AND the IDM dialogue pops up.

As I said, this worked in Firefox/DDG a couple of weeks ago.

IDM version is 6.42 Build 23, full (paid for) version Oct 15 2024 The IDM Integration Module in Firefox shows as Version 6.42.22, last updated Oct 28 2024.

Can you assist please.

Asked by lps5005 1 month ago

Last reply by markwarner22 1 month ago