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I noticed today that there's a small blue cube appears at the tip of the mousecursor inside a firefox window , I guess it's some keyboard shortcut I accidentally activated but can't find any info on where to disable

I cannot figure out why this important site which I have used for years is suddenly being blocked. the message I'm getting says-"Firefox has detect that the server is redirection the requested address in a way that will never complete. This problem can sometimes be caused by disabling or refusing cookies." I don't believe I have made any changes to cookies or anything else in the past few days so I don't know what to fix.

Please help

Choochum Mavin thanks

Installation aborted because the add-on appears to be corrupt. OmegaSwitch

Hello, I encountered an error when trying to install the extension. I've never encountered anything like this before

So I just went to open Firefox and got an error message that I was trying to open an old version. I thought it was odd, so I tried it again. Same result. It offered to update, so I updated. Now when I open up Firefox, ALL my Bookmarks and Passwords are from, I dunno, 2, 3 years ago? Anyone have any idea how to get my current Bookmarks and Passwords back? Tried to find a CS phone number, but I can't. Probably a good thing, because I'm pretty p'd off right now.

UPDATE: All is not lost, it's just COMBINED with OLD Bookmarks. Passwords, those are toast :-/

I was told my bank that there has been an issue with firefox since the last upgrade. I can sign into my account, but if I try to do anything or click on anything, the site locks up and I can not do anything except for sign out. They told me that it was on your end and that you needed customers to reach out. It's becoming frustrating that I can't use firefox for this application. I can get into my account and do what needs to be done with other browsers. What can you do on your end. The bank is Mission Federal Credit Union. Thank you! I look forward to hearing back with good news!

My bookmarks/settings bar on my PC now only displays the address bar. The search bar, which I regularly used, has vanished and I can't find a way to restore it. A reset to default does not help. Thank you in advance for any help.

I'm experiencing slow performance with Firefox on my low-end PC. Pages load slowly, and the browser frequently lags, especially with multiple tabs open. I've tried clearing the cache and disabling some extensions, but the issue persists. Are there specific settings or optimizations I can apply to make Firefox run more smoothly on less powerful hardware? Any tips on reducing memory usage, speeding up startup times, or general performance enhancements would be greatly appreciated. Click here for more information.

Some sites stopped opening, although in other browsers, and through the phone everything opens up. I've tried reinstalling the browser, disabling extensions, resetting DNS. It didn't help. A list of sites I'm having trouble with: https://www.deepl.com/ https://enka.network/ https://7tv.app/ https://hsr.hakush.in/ and some other sites that I can't remember right now. In Chrome he working. Sites like youtube twitch and other poplar working too, idk why firefox have problem, maybe its new update?

I have been a devoted Firefox users for many years. Just in the past week or so I have started having multiple tabs crash daily and now am getting 1 or 2 blue screens a day. I run on Windows 11 Pro. What can I do to help this issue?

On Firefox for Windows the touch and pen logic is a mess. When I hover over something with the pen or scroll using touch, Firefox seems to make both elements hover and triggers even JavaScript related code at very high rate. These 2 elements are where the real mouse/cursor is on the screen and where the currently touching or hovering over element is. For example rest your mouse on the YouTube HTML5 player, then use a pen to hover over the browsers close button or even just something else on the web page like the like button. This will ramp up the CPU and make both the player and the like button your are hovering flicker between ::hover and ::normal. This will also call lot's of instances of these related events in the website's JavaScript. Another semi-related issue is when using the F12 developer tools in "Device Simulation" mode, It's impossible to for some reason because Firefox fakes real touch injections into the OS (and they show up as if I touched the screen by the OS) which cancels the precision touchpad input movement until I lift my finger from the touchpad. This is specifically a "Windows Precision Touchpad" issue, and There is no known fix to this apart from not using a such a touchpad... On old 10+ year old laptops with PS/2 or proprietary Touchpads that report themselves as a normal Mouse this issue won't occour but Firefox will still input system-wide touch input. As a developer myself this seems very silly because you own the source code and could solve this way more elegantly than asking the OS to input Touch events... Let me know if you need anything else, and point me out where the source for the input (specifically for touch and pen) live so I can take a look at it and make some improvements. Thanks

Hi, I tried to search to embed firefox browser in java swing application in version 1.8 of openjdk but could not find any working link. Could I get some help on this please. My use case is that I have a button called 'open link'. On click on this button, I want to open a URL in new popup or window of application and this window will be stcky, i.e., untill this window with the browser is closed, user will not be able to interact with the previous application window (main application window).

My Windows 10 system is very slow on startup. Applications are taking a long time to even respond to clicking icons, but eventually start. In Task Manager, I see that several instances of Firefox are running at startup, although it doesn't appear in the startup list. When I end these Firefox processes, the system immediately resumes normal operating speed, and things that are waiting to open appear (Speccy, CC, AV's, mail client,etc.). How do I stop Firefox from running in the background without permission at startup?

I don't think you can help at this point. I followed the prompt to update Firefox and got the message that the platform version '128.0' is not compatible with min version>=128.0 or max version<=128.0. After following the instructions to uninstall then re-install Firefox, and even with the aid of a tech, I now have lost 90% of my bookmarks. Disappointed and not happy with Firefox at this point. I guess it's a done deal now and I just start over. Fortunately, I didn't have super important things bookmarked.

Please help an old dummie? I have an existing FF install on a laptop. I would like to clone it (with bookmarks, settings tiles etc) onto a new PC. An article I read said open FF on the PC you want to sync. This is confusing! "Synchronising" is ambiguous, meaning 2-way. (but which way) "copy from" & "copy to" would be clear. I am worried I will synch(copy) from the new to the old....... effectively deleting/wiping out all my preferences in my original install. OR (preferably) Is there a way to just copy the whole installation from my original PC onto a USB stick & installing FF to the new PC from it? Many Thanks