Firefox Community Forum

I've noticed my GPU fan runs heavily as soon as I open Firefox, and with even just only one browser page open, it runs high speed, where it didn't use to do this. How can I get Firefox from requiring so much of my power. I don't want my electric bill higher just because of a browser. I have a decent GPU good for gaming quality that usually doesn't get clocked enough to cause the fan to turn on and run at high speed unless it's a high-graphics computer game or something. Anything I can do to make the browser demand less on my GPU?

In daily work tasks, I end up with a large number of windows and tabs open. I am wondering if this is not adding to my extremely slow recovery of frozen tabs and windows and MANY instances of "Non-Responsive" everyday. Firefox is set to allow multiple processes, naturally, but I'm looking for ways to ease the pain here. If I disable Multiple Processes in Firefox v138.0.1, will I have problems running, for example, 5 windows with a total of 30 tabs spread across those Windows? (God knows I don't wanna have to grow up and actually manage the things I open up for stuff.) In addition, I am running Canva, sometimes Paint 3D, and Office 2021 concurrently. An associated question........in this most recent Firefox, how do I run Multiple processes, but limit the number of them to 5, for example? There used to be a setting in Firefox to do that, but I can't find it. I'm working with Windows 11-v24H2 on a Dell Inspiron 17 with an Intel Core i7-8550U CPU (about 7 years old) and 16Gb of Ram.........and sometimes I fall asleep waiting for many tabs, windows, and instances of Office 2021 to come back to work (I'm thinking they signed a Union deal, and didn't tell me about it.).

This has been going on and getting progressively worse for about 3-4 months.

Advice? Suggestions? I'd be truly grateful for any ideas you got.

In past few days twitch on firefox browser started to act strange. Webpage loads without some elements, login window doesnt opens, streams load indefenetely. Tried to clear cash and cookies. Chrome doesnt have such problem.

I have an account with Chewy. When I try to access the link to "My Pet" I receive this message:

400 Bad request Your browser sent an invalid request.

I don't understand why or how to correct it.

Dear Support I have opted to use the Firefox browser mainly due to the provision of fixed “Bookmarks” on the left-hand side of the screen, not provided by others. However, I am experiencing lot of problems with Firefox , including: - Freezing pages - Images are not fully displayed - No internet connection at pick times - Hanging on certain pages - Delay opening various web pages - etc The above issues have become more prevalent recently forcing me to use Google Chrome. I have now learnt that when FireFox goes down due to one of the above issues, I have to switch to Google Chrome for access to the relevant pages and generally the WWW. I have no option but to abandon the failing FireFox, if the failures continue. Thanks Harry Elm London

All my other browsers work fine but since April 4, 2025 Firefox won’t work at all. Websites won’t load. I have tried to clear my cache & cookies, I have checked my connection settings, I have checked for malware, I have turned off all my extensions and I have completely restarted my computer several times now, nothing has worked. I also did trouble shoot mode & reinstalled Firefox (though I will admit I maybe didn’t do this step properly). I refreshed Firefox. Why is it not working? What happened? I don’t know what to do as I don’t want to lose all my bookmarks and passwords that I have yet to move over to my password manager. Please help.

Hello,

Two things:

1. When I open a link in Firefox, the back button will not work taking me back to the page before.

2. I want to be able to open another page with another page open.

Any advice or suggestions appreciated,

Don

I get the server not found error on almost anything.

Hmm. We’re having trouble finding that site. We can’t connect to the server at [literally almost any site] If you entered the right address, you can:

   Try again later
   Check your network connection
   Check that Firefox has permission to access the web (you might be connected but behind a firewall)

The site usually loads after I wait like 2-3 mins before reloading the site, or I force reload it around 7 times, but I cannot find a way to make the issue go away. I have refreshed Firefox, I have uninstalled and reinstalled it fresh, I have opened Firefox in Troubleshooting mode and the issue persists. I am at the end of my wits. Someone please give me something else to try.

Let's be clear: there IS zero support for FF. WINDOWS version notwithstanding, computer manufacturer put aside, my ability to properly plug-in the system to an AC outlet assumed, FF is DEAD.

I have been waiting for an answer, over a YEAR, and the issue at hand is the very basis for using a browser.

One day/once upon a time, OVER A YEAR AGO, FF throttled DOWN from 300mbps to - as of today, Sept 7 24 - 1-10mbps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! It also started blocking access to websites such as my local Home Depot.

I switched to BRAVE.

I have "contacted"/posted this eventuation on every and all sites I could find with NO/ZERO response, broaching help.

Manu Andino (Mozilla Support), was the ONLY response I got and, of course, there is NO/NADA/ZERO help from him at the inappropriately, fraudulently, deceptively named SUPPORT.

This horror story is integral to the current trend of not caring about customers, clients, users and/or repeat "business". There exists NO technically competent personnel, with or without understandable accents, due to big, dirty, corporations or entities' attitude, that employee salaries/wages is money pissed-away. There is NO customer "service" outside of the way a prostitute "services" a service-person, on shore leave, in a strange port.

FF is dead. I have buried it. It is a painful memory whose name does not deserve to be mentioned.

Phil Isard

[Telephone number]

[Address]

This an interesting one. When running Firefox on my personal Macbook. I've been recently having issues loading sites like Reddit, Facebook and a few others in private browsing mode.

The issue seems to only affect certain sites, browsing the rest of the internet I have no issues. However, with these sites, they simply either will not load or require multiple refreshes to work.

Even more interesting, my work Macbook has a similar ecosystem and works fine.

I have updated and reinstalled Firefox, cleared caches and history. And run both with and without VPN. As well as being sure to reboot the Mac before trying each new attempted fix.

Does anyone have any idea what's happening or what my next steps might be before I go to Apple for help?

Recently, I have not been able to upload a video to YouTube. When I try to upload it, the upload is stuck on 0%. I tried another browser, and it worked fine. This has not been a problem until. I have uploaded many videos. The last time was about a month ago. So, maybe there is some problem with an update. Does anyone else have this problem or know the solution?

I cannot load duolingo webpage. Until yesterday, it loaded on my laptop without a problem. Now, when I go to this page, it is stuck in "loading." I can, however, load the page on Bing. I can also load it on Firefox on a DIFFERENT computer.

I can load all the other webpages that I have tried on my laptop on Firefox as usual. The only webpage that is not loading is Duolingo.

Thanks James Kern

I can go to websites but when clicking log in I only get a white page. If I go to my credit card I cn=an see my statement but when going to make a payment get white screen only. Retirement website loads but try to log in and get white page. Other certain sites just keep trying to load. My os is linux mint17.1 32bit system. Problem just started this year