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When using Firefox on my Apple computer I keep getting this message" Secure Connection Failed

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. What can you do about it?

The issue is most likely with the website, and there is nothing you can do to resolve it. You can notify the website’s administrator about the problem."

This happens even when I try to get to Mozilla.org!!

The Thunderbird calendar, displayed by the week, Saturday June 27-Friday July 3, 2026 in my computer says today is Monday, Jun 28, whereas it is really Jun 29. Each day in the calendar is off by 1 day. e.g. tomorrow it says Tuesday Jun 29, etc. If I change the view to Multiweek, the dates and days of the week line up as 2 June 29s for Monday and Tuesday!. Wednesday becomes June 30 and Thursday skips July 1 and is July 2! What to do to correct all of these problems? Thanks, [edited email from public]

Every other day or so VPN attempts to connect to my chosen location and just freezes. Cannot connect, tries to verify connection, and then just hangs. I can't close it, even with Task Manager. I have to reboot my computer (win 10) and that takes 4 minutes and 40 seconds - I timed it. It makes me not want to use the VPN. I have tried asking VPN for recommended sites and even after trying them it still won't connect.

Very Frustrating. Not worth paying for if I can't connect.

Thanks . . . Alan

Also frustrating that I cannot contact support directly but must use this forum. The "make contact " box in the app will not work either.

Hello,

I am experiencing a severe issue with the macOS system print dialog handling in Thunderbird, which started immediately after updating to version 152.

Environment

   * OS: macOS Tahoe 15.5.1 (26.5.1)
   * Hardware: Apple M4 (Silicon)
   * Thunderbird Version: 152 (Issue present) / 151 (Works perfectly)

Description of the problem: When I use the native macOS system print dialog within Thunderbird and select either "Open in Preview", Instead of opening the Preview app Thunderbird bypasses the command and immediately sends the document directly to the default physical printer. The same happens with "Save as PDF", the file-saving dialog is first presented, but after entering the filename the document is also sends to the default physical printer rather than being saved.

Steps to reproduce:

  * Open an email in Thunderbird v152.
  * Select Print...
  * in the Print Dialog window, select "Print using the system dialog" 
  * The system print dialog is opened
  * Click the PDF dropdown and select "Open in Preview" or "Save as PDF".

  Result: The document is instantly printed on the physical printer instead of performing the macOS system action.

Steps taken:

  * Tested with Thunderbird v151: The macOS system print dialog works perfectly as intended.
  * Upgraded to v152: The issue appears immediately and consistently.
  * All other applications (Safari, Chrome, Microsoft products, Apple Mail) work correctly 

This seems to be a serious regression in how Thunderbird v152 handles native macOS print system events and dialog actions on Apple Silicon / macOS Tahoe.

Any help or a fix for this would be greatly appreciated.

Best regards, Michel

My mobile phone contract has run out of its monthly data allowance. It appears from the usage page on the Pixel that on one day 5.6 GB were used through the Firefox app, orders of magnitude more than my normal usage.

1. How can I find out which ?tab used the data stream? 2, How can I prevent a re-occurance?

Thank you

I am suddenly getting ads across websites in Spanish, and my Amazon account flipped to Spanish. I used several IP geolocation services which identified my IP address is assigned to Mozilla Corporation in Queretaro, Mexico, despite my Mozilla VPN being designated United States. How do I solve this problem?

hello! this may not be an emergency, but im still curious. will the sports widget be updated after the world cup? i think this would be cool if after the world cup people could choose a sports they want to follow (tennis, soccer, formula-1, etc.) and the widgets will show the updates of the following sport. what will be after the world cup ends?

Hello, I noticed that my system disk free space was declining. After some checks I found that underr

C:\Users\François\AppData\Roaming\Mozilla\Firefox\Profiles\wjZDDDl0.Profil 1\storage\to-be-removed

were a lot of directory with GBo of data. In may I deleted all these subdirectories and went from 23 to 33 Go free space Yesterday same thing I went from 25 to 41 Go free space.

Why are these files keeping accumulating and are not removed automatically as per name ? Thanks. I'm using Windows 11 Famille Version 25H2 Installé le 25/11/2024 Build du système d’exploitation 26200.8737 Pack de fonctionnalités Pack d’expérience de fonctionnalités Windows 1000.26100.334.0

and Firefox 152.0.5 (64 bits)

Hi,Sir/Ma Hope you are doing well today? I need your help to activate my java script on my browser, I've installed it but inactive, I don't know why? Thank you so much Yours sincerely Philip Odimegwu The CEO HOL ZHUTER LLC [email removed]

there's damn near always problems, pages display funny, dont load, the browser has its own " loading circle" temp files/cache is still a problem? do you guys know its 2025 and browsers still cant handle temp files? mozilla has ZERO help. no wonder everyone uses chrome. but they suck a$$ too.

Hello Mozilla VPN Support,

I recently purchased Mozilla VPN and installed it on my system using the Flatpak version.

My operating system is **Linux Mint 22.2**.

The problem is that the VPN connects successfully to any server, but after a short time it disconnects automatically. This happens with every server I try.

Interestingly, if I use the Mozilla VPN browser extension, it works correctly and stays connected. However, the browser extension does not provide access to all the countries that are available in the full VPN application.

Could you please help me determine why the Flatpak application keeps disconnecting and whether this is a known issue with Linux Mint 22.2 or the Flatpak version?

If you need any logs or additional information, I would be happy to provide them.

Thank you for your assistance.

Kind regards, Nikos

Hello there we are several persons here, all connected to the internet via the same box (proxy). I would like tu to use your VPN. The other persons are not interested (no comment !). If I do this, will it affect in one way or another the connection of the other persons (in which case they will kill me..... ;-) or not. Many thanks in advance Emmanuel France