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I want to unsubscribe form emails from a company MyHeritage, but when I click the link the page opens then instantly greys out so I cannot do anything. This happens with another trusted web site as well

After tinkering with about:config (shouldn't have...) the background of every page that does not specify a body background color turns the color of my theme background color.

Using the firefox color pipette says its white, but it clearly isn't.

The theme i have is dark, making any page that expects the background to be white unreadable (without DevTools -> Body -> background-color: white)

I haven't been able to find the config that fixes it.

I'm on the Release channel, but was updated to 142.0 Beta. Surely this is wrong. I am not on the Beta channel. I just want to stay updated to the most recent stable release.

Hello everyone,

I’ve been using Firefox for 5 years now and I absolutely love it. I recently bought a new laptop, but I’ve run into an issue. On my old laptop, I was able to use multiple Firefox profiles at the same time—similar to how Chrome handles profiles.

On the old setup, when I clicked the three-line (menu) button, I could see my second profile there and switch between profiles with just one click. After installing Firefox on my new laptop, I can’t find that option anymore.

I know some of you might suggest using about:profiles to switch profiles. Yes, I’m aware of that method, but I find it inconvenient because I’d have to type about:profiles every time, which is a bit of a time waste for me. I really want the same quick-switch option I had before.

How can I get that functionality back? Any help or suggestions would be greatly appreciated!

I’m already using the latest version (142.0.1, 64-bit).

Thanks

I updated my Thunderbird Email client on the Release Update channel, and now clicking it on my Mac Mini Catalina dock just gets 2 stuck processes. I kill the later process, and then Thunderbird launches.

Last login: Wed Aug 20 12:54:42 on ttys000 java version "20.0.2" 2023-07-18 Java(TM) SE Runtime Environment (build 20.0.2+9-78) Java HotSpot(TM) 64-Bit Server VM (build 20.0.2+9-78, mixed mode, sharing) (base) alwynteh@Alwyns-Mac-mini ~ % ps -ef | grep thunderbird

 501 78534     1   0  2:58pm ??         0:05.70 /Applications/Thunderbird.app/Contents/MacOS/thunderbird
 501 78535 78534   0  2:58pm ??         0:06.67 /Applications/Thunderbird.app/Contents/MacOS/thunderbird
 501 78596 78537   0  2:58pm ttys000    0:00.01 grep thunderbird

(base) alwynteh@Alwyns-Mac-mini ~ % kill 78535 (base) alwynteh@Alwyns-Mac-mini ~ % ps -ef | grep thunderbird

 501 78534     1   0  2:58pm ??         0:14.79 /Applications/Thunderbird.app/Contents/MacOS/thunderbird
 501 78598 78537   0  2:58pm ttys000    0:00.00 grep thunderbird

(base) alwynteh@Alwyns-Mac-mini ~ %

I want to use Thunderbird as my email client on a new laptop. I only want to include my outlook.com account. The automatic setup procedure fails and I don't have a clue how to set up the account manually. The failure message doesn't specify what parameter is causing the failure. Since I can't use my outlook.com account yet, I can be reached on my desktop system at tjfava@cox.net . I hope you can correct this issue for me.

Tom Fava Green Valley, AZ 520-647-9732

Now that Thunderbird is delivered in .xz archives, not .bz2, the Linux system install instructions need updating. The extract command in Step 3 should be:

tar xJf thunderbird-*.tar.xz

note the upper-case J instead of lower-case which is used for .bz2

I am using the Firefox browser on my iMac. Suddenly, I am not able to 'sign in' or access pages of common websites. I am getting blank pages or pages with the ever-circling ball when trying to access websites, like homedepot.com, shutterfly.com, etc. I can access them via safari.

I have gone through the Troubleshooting steps, have Uninstalled Firefox and Reinstalled, etc. What is happening with my browser?

For the last few days my Unified Inbox which is fed by three of my email accounts stopped displaying incoming emails in the Unified Inbox folder. I am running Thunderbird Desktop version 140.2.1esr | Released September 2, 2025 on a Win 11 PC. The incoming emails show up in their Thunderbird accounts OK in their own Thunderbird Inboxes but they no longer also show up in my Unified Inbox. I did not change any setttings that I know of but the Unified Inbox just stopper working properly.

I have gone to the Unified Inbox's Properties and deselected each individual inbox and then selected them and no change. I deleted the cach and no change. The Unifed Inbox is set to "Match all messages."

I am guessing it is a bug in the latest Thunderbird update but perhaps someone can offer a fix I have not tried yet. Thank you!

Hello, I have moved from MS to Mozilla(Thunderbird) i have selected a file as my signature and it is working for new emails perfectly. But for replies or forwards the signature file does not show. i have ticked both options. How can i fix it?

Kind regards Sepp