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I searched how to disable any random new AI features Firefox was about to cram into the browser.

I was served this support page that says I can "Block new and current AI features (single switch)"

Simply, the described feature to disable AI features isn't in the settings. I've look and tried searching for "Block AI enhancements" & "AI controls" but no luck.

Please tell me they haven't given the writing of support pages to some shitty LLM.

I searched, and all the internet results I find tell me to look in the settings:applications:mailto ddlb and select Yahoo. The problem is that it's not there.

There is a "use other" but there's no hint on how I'd tell it to open https://mail.yahoo.com.

How do I get it to open Yahoo mail?

This is on W11.

I have a new Brother printer MFC-L3780CDW. I can print from Foxfire internet, I can print from Microsoft Word. I can go to my Comcast online account and print emails, but I cannot print an email from Thunderbird from my desk top. I right click the email to bring up the menu. I select print and nothing happens. It dont bring up a print preview window to select printer. It does nothing. My old printer was also a Brother MFC, just an older model. everything worked fine. I called brother and they say since everything else prints it must be a problem in the Thunderbird Application

bold textBad Request Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. I cant get into my Social Security account . PLEASE HELP.

Ernest Barrow. [edited email from public community support forum]

I initially used the K-9 email client and switched to Thunderbird sometime last year. For almost a year now, I haven't received any notifications from Thunderbird when new emails arrive, which I believe worked initially.

Then new emails weren't displayed at all; I had to manually refresh my inboxes and folders. A recent update seems to have fixed at least this issue, as new emails are now available when I open my inboxes. However, I still don't receive any notifications.

I have also checked the notifications settings and the permissions, it is always mentioned that the "Alarms and reminders" permission is required, but I don't have this permission. Reinstall the app and reconfigure from the Windows Thunderbird didn't helped as well.

Specs: Phone is a OnePlus 8 Pro OxigenOS 13.1 Android 13

Any help is very welcome; I don't want to reset the device hoping it will work, only to find out that it didn't help.

How can I configure questions so that responses might be useful? I am specifically looking for time choices e.g. current, last six months, this year, etc.

It is November 2025. Answers for 2015 are of no use with all the changes and updates since in the past ten years.

I have really liked using the "refresh" button with my Firefox browser. The "refresh" button has disappeared from one of my two Dell PC's (I use Windows Eleven, and my Dell PC's have solid state drive). I know there are two other "help" buttons ("troubleshoot mode" and "clear startup cache"). The "refresh" button has really helped me to keep my Firefox browser working properly with my two Dell PC's. Thank you for any comments you might have about this.

Howdy! Here are the details noted in my question.

Your browser is being managed by your organization. Policy Name Policy Value Certificates ImportEnterpriseRoots true

Hi, I'm using Thunderbird version 140.0 on Windows 10 and trying to change the background of the message pane. I've tried:

1. messagepanebox {

   background-color: #e6f3ff !important; 

}

but it only changes the upper part and I can't find a way to target the whole flex container or the lower part. There is a forum response (titled Message preview pane background) that targets the message pane:

1. messagePane {

background-image: url("file:///C:/path to image/image.jpg") !important;}

and that fills the message pane when its blank at startup but it disappears when selecting a message from the list.

I can add the background-color statement to :root in Developer Tools and that only works for the current selected message. How can I change the background of the entire Message Pane - the upper and lower part that contains the contents of the message - for each message that is selected? Thanks, David

Today (06/12/2025) upon opening a new tab, Firefox slid the new option of uploading a custom picture to apply to the background. Tried the new feature, now I can not find the setting that allows me to change the picture. I read the thread "Customize your wallpapers". The instructions are as follows; You can personalize your Firefox New Tab page by adding one of the available wallpapers. Follow these steps:

  1. In the right corner of the New Tab page, click the gear IG settings icon.
  2. In the customization panel, under the Wallpapers section, you will see different categories like Solid colors, Abstract and Photographs.

       Click the category you prefer. For example, selecting Abstract will show a variety of abstract designs. 

The problem I have is the customization panel is no where to be seen, I have click on EVERYTHING possible, it is not in my settings, why? How do find this?

Two Questions:

1. I have invested time to setup all my accounts on my mobile after importing the setup from the Thunderbird from Windows desktop. How can I automatically import all of the setup from either my mobile or Windows Machine to my macbook?

2. How can I use Bitwarden password utility on my mozilla Thunderbird? i have checked and there is no add on for it.