Firefox Support Forum

For a while now, I've been having recurring issues with Firefox desktop freezing and becoming totally unresponsive. If there's any pattern to what causes it, I haven't been able to notice it; sometimes it happens as soon as I open the browser, sometimes it happens after several hours, sometimes it happens twice in ten minutes, sometimes it happens twice in a few hours (however, I can count the number of days it's happened less than twice in one day in the past few weeks on the fingers of one hand). When the browser freezes, it becomes totally unresponsive - it doesn't fade or display "Not Responding", and Task Manager shows nothing abnormal, but it doesn't accept any input at all, any video or other animated material that may have been displaying freezes, and it can only be "fixed" by force quitting from the task manager and reopening. This is exclusively a firefox issue; other programs open at the same time as the browser freezes are not affected.

The only real lead I have as to what could be going on is that sometimes, things don't freeze all at once, but in a cascading effect. For example, tabs, bookmarks, etc. might not highlight when moused over, but still accept the clicks, or selecting another tab might causes the address bar to display the URL of the selected tab, but the screen displayed in the window will not change. Once these cascading changes start, they generally progress to total freeze before I have a chance to do much with that information (only a few seconds), but it's unusual enough behavior to be worth noticing.

Things I've already tried that haven't fixed the issue:

• Reducing the number of tabs used and otherwise reducing Firefox's system resource usage has not impacted the problem in any way.
• Running in Troubleshoot Mode has not had a consistent effect on the problem (the most recent time I did, the browser ran stably for longer than I could stand to use the internet without my ad blocker, but this is only one data point in an already inconsistent spread; prior instances of the problem have occurred in Troubleshoot Mode)
• Disabling hardware acceleration has not fixed the issue.
• The issue has persisted through multiple refreshes and at least one full uninstall and clean reinstall.
• The issue persisted after creating and switching to a new profile multiple times.
• The issue persisted after renaming places.sqlite
• The issue persisted after clearing cache and cookies multiple times.
• The issue persisted after clearing downloads and history.
• And very likely some other stuff that I'm forgetting, I've been trying to fix this on my own for a while now.

The bookmarks disappeard on the toolbar or in the library even though the sites that were previously bookmarked are still marked with the blue star. Comically it still shows my recent additions even though they are nowhere else to be found.

On mobile the bookmarks are still there but resynching, reinstalling, restarting didn't work.

When i want to bookmark the disappeared ones again, they won't be saved and are gone again the next time I start the browser.

It's really annoying, I had a lot of them and I don't want to use desktop shortcuts or use another browser but I might just have to.

My Firefox is the most recent version 126. I am having trouble with pop-ups being blocked. I have added the website to the pop-up exception list. When I go to the site, it shows me the little icon showing I have added exceptions for this site. However; the pop-up still gets blocked.

The site is: https://www.foxit.com/ I try clicking the Log In drop down then Foxit Account. Before this would pop-up the log in screen for the site but since version 125, it does not. I just updated to version 126 to see if that resolved it before creating this post but it didn't. Thus I am here trying to get help.

Send is a free file sharing service launched by Mozilla under its Firefox Test Pilot project, which is mostly a bunch of experimental features for Firefox. While the majority of applications under the Test Pilot project are essentially plugins for the main Firefox browser, Send is a standalone service, that can be accessed via any browser. It works on a web interface and allows the user to easily upload any file to Mozilla’s servers and then download it to the other device with the help of a shareable link. What’s more is that Mozilla offers great privacy due to the encryption of the data being transmitted. Now that you know what Firefox Send is, let us discuss how to use it.

How do I enter Firefox SEND menu?

Why is Firefox backing up my bookmarks in a json file, when Firefox itself doesn't recognise the file type when trying to restore said bookmarks? I WAS able to restore my bookmarks by converting the json file at https://www.jeffersonscher.com/ffu/bookbackreader.html. But why can't Firefox just back up as an html file like it used to? I had to go off searching the internet for a solution, turning what should've been a 5 minute job into nearly an hour 😕

I have been trying to contact support about an issue regarding being able to change my account password to the page at https://support.mozilla.org/en-US/questions/new/mozilla-account/form, however I cannot seem to submit any information. When I try, the page reloads, followed by multiple uncaught errors observed in the console, including a cross site origin request block error (in the latest stable Firefox). My browser settings use the standard browser privacy setting, and custom DNS.

Regarding the error I was trying to report, I am unable to change my password, receiving "incorrect password" despite entering the correct current password. In the browser console, a POST response with error 400 is shown.

Hi everyone,

I'm experiencing an issue with my website's compatibility with Firefox. website My website, which provides online educational resources and tools, is not displaying certain interactive elements correctly when accessed through Firefox. These elements work perfectly in other browsers like Chrome and Safari.

Specifically, I've noticed that some JavaScript-based interactive features, like quizzes and drag-and-drop activities, either don't load or don't function as expected. I've already cleared the cache and ensured that Firefox is updated to the latest version, but the problem persists.

Has anyone else encountered similar issues, or does anyone have suggestions on how to troubleshoot and resolve this compatibility problem? Any insights would be greatly appreciated!

Thank you, fatemahx

Nightly updated this morning and the help menu from the sandwich has stopped working. The menu options display, but none of them function. Mouse click makes the menu disappear as if it's going to show the panel attached to the option.

Version: 129.0a1 Build: 20240613093628

I've been trying to install an add-on that is in the .zip format. I set xpinstall.signatures.required to false and restarted the browser, yet Firefox keeps telling me the add-on cannot be installed because it's not verified. Is there a way to change this?

I can open an email or a google search for this particular website, Sundance, click on an item which then opens on my screen but Firefox is unresponsive when I click within this item screen for details like available sizes and colors. This is the only site that this has occurred.

Hi,

Just the other day I started getting these popups from "anti virus service" that keeps popping up on my screen. I do not nor never did have McAfee on my system. I did a deep search, and there is no program on my computer, nor in my startups, nor in my popups allowed relating to this. It is only a problem with Firefox. Any solutions?

Thank you, John

Firefox version is: 127.0 (64-bit)

My problem is that Firefox seems to be ignoring "#:~:text=highlight this".

Maybe there's something under about:config? I can't find it.

Thanks

Can you suggest any functions or apps that I must or should avoid? It's important that I NOT use a VPN, and that I use 'open-source' in a probably 'shared access' situation. GRM PL

I went to this site, no worries, nothing there but asks you to click...which you should not do. It says to copy the fix and paste it into the windows shell... sounds obvious, it's a scam. Except, this is a major funding company.

So the question is, is this legit from firefox? Or is that what? Go to myforwardsavings.com and you'll see what i mean. Or, see image i have included.

Hopefully someone up the chain in firefox can let me know. As i intend to report them if this is nefarious. Thank you.