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Environment - OS: Omarchy - File manager: Nautilus (running as --gapplication-service) - Desktop portals: xdg-desktop-portal + xdg-desktop-portal-hyprland (+ gtk fallback) Firefox: latest stable from Arch repositories

Observations Only one Firefox process is running (pgrep -a firefox). Only one Nautilus process is running, but it receives two open requests, resulting in two windows. The issue does not occur in Chromium/Chrome, which opens only one window. Running xdg-open <file> manually opens one Nautilus window.

Portal logs show GTK being chosen as last-resort fallback, but system-wide XDG configuration appears correct.

Question

Is this a known Wayland/portal bug in Firefox? Are there recommended debugging flags or patches to trace the duplicate launch request?

Hello everyone,

I’m experiencing ongoing problems with Firefox and hope to get some help or clarification here.

Main issue: I’m unable to sign in to my Outlook / Microsoft email account using Firefox. The login page does not load correctly, or the sign-in simply fails (Error 400). When I use another browser (for example Microsoft Edge), the login works without any issues.

System information:

Operating System: Windows 10 IoT Enterprise 2021 (LTSC, supported until 2032)

Firefox version: 147.0.3 (64-Bit)

Additional problems: Besides the Outlook login issue, Firefox has recently become more problematic during normal daily use:

Text selection with the mouse often does not work correctly

Clicking and dragging to highlight text is unreliable or stops working

Pages sometimes feel unresponsive, (ChatGPT)

Overall, the browser feels less stable than older Versions on Windows 10 22H2

These issues seem to be getting more frequent over time and occur on multiple websites, not just Outlook.

I switched my system to Windows 10 IoT Enterprise 2021 (LTSC, supported until 2032) in the hope of improved performance and stability.

What I have already tried:

Clearing cache and cookies

Disabling all add-ons/extensions

Testing in Private Browsing mode

Restarting Firefox

Unfortunately, none of these steps resolved the problems permanently.

My questions:

Is Firefox fully supported on Windows 10 IoT Enterprise 2021 / LTSC for the long term (until 2032)?

Are there known issues with Microsoft / Outlook sign-in specifically in Firefox?

Are there known stability issues (text selection, mouse interaction, page responsiveness) in recent Firefox versions?

What settings or troubleshooting steps are recommended to improve stability?

Thank you very much for your time and support.

Best regards, Marco Klecker

Secure Connection Failed Error Code SSL_ERROR_RX_RECORD_TOO_LONG displayed when connected to Cow.huntforeeenst.com SSL Unable to notify website Error code is displayed when connected to Yahoo Mail.

Meu Youtube ficou com bordas na tela sempre que dou ful screen, isso começou do nada hoje à tarde. Tente diversas formas de remover mas nenhuma adiantava, desliguei todas extenções e nada de sair as bordas. Porém, o Youtube na guia anônima funciona o FullScreen perfeitamente.

youtube goes fulscreen but not in the richt way i can see the video fully but it does not cover my sreen fully an the under part of my screen it is not posting see image for a better picture

Recent (Windows?) update signed me out of Firefox. Logged in again, but bookmarks aren't showing up. Bookmarks are marked for sync-ing, and I did try sync-ing twice. Maybe I have to sign back in on the original device?

I have downloaded this plugin, but I cannot find any advice on how to operate it. I have opened a page (which I have created) rendering part of a high res iiif image, whose whole iiif pyramid is available for viewing. But I cannot find any button that activates the plugin.

The plugin promises "With this addon installed, you will be able to download the highest available resolution for files available on digital libraries compatible with the IIIF protocol."

How can I download the whole high res image?

I have configured Firefox to use a proxy, and I stored the credentials in the password manager. However, every time I open Firefox, it asks me to enter the credentials again.

How can I store the proxy credentials persistently?

Within the Applications section of my settings, I have it set to open content type of crcc with an application. However when I try now after the latest Firefox update, it opens a new blank tab instead of just launching the application. The URL of the blank page is just "crcc://the_URL_of_the_launching_site?params=dG9rZW49ZWJlN2IyY2FmMTM3YmQxODM3ODZhZDU1NWY2Zjc0ZDNiMWE5ZWIyMSZ2ZXJzaW9uPTEwLjMuNTEzMjEuMjUxMjAmdHVyblBhcmFtcz0lMjJzdHVuJTNBc3R1bi5sLmdvb2dsZS5jb20lM0ExOTMwMiUyMiUyQyUyMnN0dW4lM0ExOC4xOTYuMTA3LjIwOCUzQTM0NzglMjIlMkMlMjJ0dXJuJTNBMTguMTk2LjEwNy4yMDgrJTVCMTc3MDk5NzE1MSU3Q2JsR2hXNDQ3STV5NVl1ViUyQlZ0WXBtMmdKUkpjJTNEJTVEJTIyJTJDJTIyc3R1biUzQTE4LjIwOC4yMy40NSUzQTM0NzglMjIlMkMlMjJ0dXJuJTNBMTguMjA4LjIzLjQ1KyU1QjE3NzA5OTcxNTElN0NibEdoVzQ0N0k1eTVZdVYlMkJWdFlwbTJnSlJKYyUzRCU1RCUyMg==" I tried the standard clearing cache, private window with no help. Anyone else notice this and is there a work around. Of note, after about 5 minutes it does eventually open the application.

Hi, I use Firefox as a primary browser on multiple PCs, so want it to remember a couple of addresses & payment methods for easy daily useage. However, I also access one business domain & when using that website only, I don't want Firefox to offer/remember/anything when it comes to addresses (which will be customer addresses) or payment details (again, for customers). Other autofill, like suggestions for some form fields would ideally still work.

Is there are way to make one domain exempt from address & payment saving/retrieval?

Thanks.

My local network is 10.10.10.x and I can't log into my NAS, web server or another computer on the local network... Internet access is fine. Happens on Wi-Fi or Ethernet.

If I access the same web address using Safari or Chrome it works just fine and it used to work before the software update to the 147 build.

So what switch/setting got kicked over during the upgrade that I have to turn off?

These kind of issues really make me mad at the Firefox Dev team... and I'm a very long time user.

i try to search in chatgpt it show Secure Connection Failed

An error occurred during a connection to chatgpt.com. Cannot communicate securely with peer: no common encryption algorithm(s).

Error code: SSL_ERROR_NO_CYPHER_OVERLAP

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem. this but other website are working

This problem has been covered in this forum before. However, the various solutions have not worked for me because it seems my backup previous.jsonlz4 was corrupted. I did exit Firefox normally, but I am not sure because I have been using multiple different browsers in recent months.

This is what happened this morning: my Firefox on Mac OSX was closed normally, and I rebooted the MacBook. Afterwards, I could not restore old tabs because "Recently Closed Tabs" and "Recently Closed Windows" are greyed out.

I tried copying recovery.jsonlz4 from the last folder and putting it into the main folder as sessionstore.jsonlz4, then reopening Firefox. Still have no restored tabs. Here was the surprise, which I do not know how to interpret.

I just checked some files and found this error message in sessionrestore-logs folder:

1770888233416 SessionStore ERROR SessionSaver write() rejected with error: Error: SessionFile is closed(resource:///modules/sessionstore/SessionFile.sys.mjs:424:29) JS Stack trace: write@SessionFile.sys.mjs:424:29 write@SessionFile.sys.mjs:47:32 _writeState@SessionSaver.sys.mjs:375:29 _saveState@SessionSaver.sys.mjs:308:17 _saveStateAsync@SessionSaver.sys.mjs:354:10 saveStateAsyncWhenIdle@SessionSaver.sys.mjs:194:14 requestIdleCallback/<@Timer.sys.mjs:180:15 observe@AsyncShutdown.sys.mjs:570:17