Diễn đàn hỗ trợ Firefox

Hello, so I am not very experienced and recently discovered how to customize Fire Fox using the userChrome.css file. I went through all of the steps that are required in order to do this. I set up a folder called chrome in the directory /Users/my name/Library/Application Support/Firefox/Profiles/x1oheo82.default-release To test if it works I wrote this into the userChrome.css file: @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */

1. TabsToolbar{ background-color: #FF0000 !important }

and set toolkit.legacyUserProfileCustomizations.stylesheets to true After restarting Fire Fox I saw that nothing changed. I double checked if there was a hidden file extension or if I might be in the wrong directory. I tried different code to see if there was some error in the code but nothing changed. I watched countless tutorials on You Tube and tried to find answers on google but nothing that I did seemed to help. I don't know if it has something to do with the operating system I am running or if it is a limitation of my computer hardware (I am running Fire Fox on an m1 mac).

I've been utilizing the security protocol app DUO for work purposes for the last year with Firefox, no issues. I just recently updated to 105.0.1 and received the following error message when my DUO was prompted:

• "We're sorry, access is not allowed with Firefox due to security concerns." - with a sad face.

It then shows me a list of compatible browsers and FF being the only one not allowed to use the DUO authentication. I've attempted to clear my browsers cache, fire up FF once more only to arrive at the same messaging. I've uploaded a screenshot of what I ran into.

This has to be some sort of error as I've been utilizing FF and DUO together successfully with no issues over the last year.

Any help is greatly appreciated.

When I'm using my Firefox browser and signing in to my Gmail account, the autofill function always gives me several old, expired gmail account names that I don't wish to see anymore. It's very annoying. I think I have turned off all the autofill options under Firefox>Preferences, but all these old account names keep showing up. Any suggestions for how to solve this? Thank you

the certificate on my linksys lrt 214 router not recognized. used to be able with previous versions to bypass security with advanced tab no longer able to do this cannot use older versions of firefox to bypass. need to access web interface of router at 192.168.1.1 to upgrade certificate but cannot. linksys does not have a work around. please help

Hello,

Whenever I use Firefox, I end up seeing popups (necessary for school) and would like to show them as tabs so I can merge them into other windows. I have tried the solutions given in: https://support.mozilla.org/en-US/questions/1080255 and nothing seemed to work. Is there another way to make sure that popup windows cannot hide the toolbar and show tabs?

When entering a local domain in the URL bar Firefox sends the request to a search engine instead of the DNS server. How can I stop this behaviour and switch back to how it was before?

Hi! I recently made the switch from Chrome to Firefox and Im liking it aside from this one thing. When Im watching a video in full screen, moving the cursor to the top doesnt pop up Macs top bar (File, Edit, ..... battery, time).

This sounds like a banality but I mainly watch videos while getting ready, working etc, and I really need to see the time! Im used to always keeping the cursor at the top to see it. I searched around in settings and forums but didnt find any fix. The only solution seems to be to not use full screen which I think we can all agree just sucks in a major way.

Im using MacOS Monterey 12.3.1 and Firefox 102.0.1. Is there a way to fix this or nah? Any info much appreciated!

My browser displays many websites, emails, etc. using a strange garbled font (see attached image for reference).

I already checked the preference setting for allowing websites to select their own fonts. The issue also persists in Troubleshooting mode. I have also used the "Inspect element" tool when this has occurred, also to no avail. I imagine at this point the only real solution is to delete and reinstall Firefox, but I'd love to hear if someone has another solution! Thanks!

Note that text in bold / italics often shows up just fine. I can also copy-paste any of this text and it displays correctly.

With the upgrade to Firefox 106 on Mac, Private browsing windows open with a dark theme by default. How do I enable the light theme for Private browsing windows?

I use Private browsing at work for website testing, and the dark themed tabs / UI are much harder to read and use than with a light theme.

I can't enable USB Devices on about:debugging setup page. I already installed ADB toolkit for MacOS, also I can see my device in ADB devices list: ``` ~% adb devices -l List of devices attached 013db356 device usb:336723968X product:OnePlus6T model:ONEPLUS_A6010 device:OnePlus6T transport_id:9 ```

On the device I've enabled "Remote debugging via USB". But when I click on "Enable USB Devices" button, nothing happens. I can see only "Updating..." message, then "Disabled" again.

Also no devices in the devices list, because USB Devices are disabled. "Refresh devices" does not make any changes.

Every time I go to Fox News, the video at the top of the page drops to the lower right-hand corner. It's an annoyance I've been searching for a way to eliminate. I have pop-ups blocked in preferences and I have a couple of different pop-up blockers, but nothing seems to work. I'm currently using Firefox 114b.09 on a Mac Desktop.

The Firefox desktop browser default font is replacing all fonts on some websites, only title fonts on some others, and then leaving others unchanged. It seems random, and I can't stop the default font from taking over randomly on most websites no matter what I do. This was not happening until today, and no browsers or general MacBook Air preferences were changed between today and yesterday when I last used the browser on desktop.

Under Firefox Preferences » Fonts » Advanced, I've made sure to check the box to "Allow pages to choose their own fonts instead of your selections above", and I've unchecked it, and I've re-checked it, and the default is still overriding fonts on most websites.

I've quit and restarted Firefox 3 times.

Help!

Please explain: Access Denied You don't have permission to access "http://www.rei.com/user/login" on this server.

Reference #18.f697c68.1648515585.37d0ad20

I am having an issue where youtube videos played at higher quality stutter when put to fullscreen. Up till about 720p60 works fine, at 1080p60 and above the framerate becomes unstable.

Things I have tried: - I have tried going into media.media-capabilities.enabled and changing it from false to true - I have set network.buffer.cache.size to 262144 - I have disabled all my plugins - I have tried changing my user agent to windows/chrome

My current setup: Firefox 122.0, Macbook pro Sonoma 14.1, Apple M1 Pro chip

Curiously, if I make a new firefox profile and play a video there, there is no stutter. Does anyone have ideas on how I can fix my current profile?

52.9.0esr is claimed to be the last version for XP. Unfortunately it is not quite true. It is for XP SP2 ONLY. Trying to install on SP3 ends with the message that SP2 is required. IMO the installer is simply too strict on demanding exact version of SP ! https://www.mozilla.org/en-US/firefox/52.9.0/system-requirements/

I went through the list of versions (thanks Mozilla that they all are still available!) and found that the last version I can install is... version... 12.0b6. https://www.mozilla.org/en-US/firefox/12.0/system-requirements/

And indeed I installed 12.0b6 successfully but I would like to install 52.9.

Hello, I am a user on Mac! I am having an issue with moving tabs fluidly. Yes, moving tabs inside the window is easy but when I move them outside the window, it makes me a little uncomfortable. In the images and video I have sent, you can see that an unnecessary thumbnail of the tab pops up even when I move the tabs inside the window. This makes it harder to know if I am even moving the tab in the first place. Then it takes like 2-5 seconds for the new window of the individual tab I moved to appear. If whatever I said is quite confusing which I apologize for, I would very much recommend taking a look at Google Chrome, the browser I don't prefer, however, try moving the tabs around and outside one window and creating more windows with individual tabs. It feels more fluid or swift and easy to handle. Compare that to Firefox and a big difference is to be seen. I am concerned about this issue really because I am replacing my previous browsers, not only Google Chrome but browsers like Edge too which are capable of not having that issue, with Firefox instead and hopefully Firefox can have this capability. I also multitask a lot so I usually encounter this problem on Firefox. I hope this is fixed and am sure it will help a lot of users! Thank you! Here is a YouTube video link for to provide a further understanding of the issue: https://youtu.be/jRuBDH32hPI

I have noticed in the last few days that Firefox is keeping my Mac from sleeping. This seems to have started around the time of updating Firefox to version 113.0.2 which happened 4 days ago. Any thoughts on how to debug this?

Clicking on the spacebar, does not produce a space between words, when typing text. I'm using a Mac Mini M1, on macOS Monterey (V 12.4), along with a Logitech MX Keys for Mac keyboard.

This happens randomly, for instance, on this very message. I previously posted a question regarding another problem that I came across with the same hardware and Firefox.

I found the solution to that problem by disabling an Extension in Firefox, however, I can't begin to think where to look for what setting, that may be causing my current problem.

Since the OS upgrade, any portal that I open (especially the ones that I have my user id and password saved) crashes. One crash report can be found at https://crash-stats.mozilla.org/report/index/7d671357-2d98-4bbc-b177-4029e0221221

I have tried disabling add-ons/ exensions, disabling auto-fill, downgrading security, reinstalling (even the ESR edition), deleting Firefox files from the library/application_support - but it doesn't simply work. Not sure if this is an OS issue.

Any ideas would really help. Getting the below info on the about:crashes each time:

Crash Reason EXC_BAD_ACCESS / KERN_INVALID_ADDRESS Crash Address 0x0000000000000018