منتدى دعم ”Firefox“

Some websites display poorly on Firefox 119.0 on my Dell computer running Windows 11. Some of the letters of the fonts are too thin and hard to read. They display correctly in Edge.

I have used Inspect Element to see that the font is: font-family: Roboto, Helvetica, Arial, sans-serif;

The problem goes away if I change this to: font-family: Helvetica, Arial, sans-serif;

I do not have the Roboto or Helvetica fonts installed on my computer.

The problem fixes itself if I turn off the setting for "Allow pages to choose their own fonts, instead of your selection above." However, this is not a good solution, because it introduces other issues.

Any help or suggestions would be greatly appreciated.

I have researched this for several hours and tried many of the suggestions online.

1) I have disabled all extensions. 2) I don't have any Themes installed in Firefox. 3) I have tried "Smooth edges of images and text" turned on and off. 4) The problem still occurs when running Firefox in Safe Mode. 5) I don't have a "High Contrast theme" enabled in the OS settings. 6) I am not running uBlock Origin. 7) I have played with Clear Type but the problem was occurring before that. I have tried modifying Firefox's gfx.font_rendering.cleartype_params.gamma to the value of GammaLevel from Windows's registry Computer\HKEY_CURRENT_USER\Software\Microsoft\Avalon.Graphics\DISPLAY1. 8) I haven't installed any fonts on my computer. 9) I tried setting security.sandbox.content.level = 1.

While on michaels.com I click on a product, it goes to the product then immediately the screen goes blank. It also happens when I do a search, multiple products show up, then the screen goes blank. I don't have that issues on other websites. What is going on and how do I solve this issue?

On mac I have been getting constant firefox crashes when in gmail after a minute or on other work sites. I have tried it in toubleshoot mode as well and it worked fine a little longer but still crashed. Crash IDs in attached image.

Hello- I am having a very strange thing when using Firefox. I type and certain letters pop that I have not typed. It is different letters that are affected. it has been the E a number 2 shows instead s a m shows instead. There have been others but I did not make note, My solution is to close firefox and reopen. I have updated to newest version. Do you know why this is happening and a better solution. Also when I go to Chrome the letters do not transpose. HElp Stephana

Firefox browser problem. When dragging the mouse over text on a webpage to select text I want to copy, some of the selected text and an area of webpage adjacent to the text I'm trying to select is blocked by a box that automatically appears. Sometimes it whites-out a box-shape but usually it's blacks-out. This blocks that part of the page and some of the text I'm trying to select while I'm dragging my mouse and I can't see the mouse while I'm trying to select text within that box. What did I do to cause this and can I change something to make it stop? This is only when using Firefox and I didn't have this issue until October 2023.

Hi, I noticed about a week ago that when I would have Firefox windows open on more than 3 of my displays, the newest window, when maximized, would appear with white bars. This does not occur when Windowed or when troubleshoot mode is on. I have attached a photo of the error (suggestions omitted for my own privacy). Bugged window does not respond in this state and cursor does not blink etc. Other Firefox windows work fine. I'm running a custom color scheme, Dark Reader for Firefox, and AdBlock for Firefox. Issue does not occur with Chrome or Edge, which have the same, if not more extensions loaded. Glitch presented itself near the beginning of November.

Please help!

I'll check on this every once in a while, and am willing to run tests.

Hi Firefox Team, I am a university student, and I keep getting these messages below, especially when I am doing research for my assignments; it is painful as time is of the essence. I need your help asap. I have already cleared my cache, and cookies Thank you The connection was reset

The connection to the server was reset while the page was loading.

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer’s network connection.
   If a firewall or proxy protects your computer or network, make sure that Firefox is permitted to access the web.

Alpha

I've been having this problem for a couple of weeks now. When I go to certain websites (that work on Every other browser I use) I get the following error:

Network Protocol Error

An error occurred during a connection to www.diamondtoolstore.com.

The page you are trying to view cannot be shown because an error in the network protocol was detected.

   Please contact the website owners to inform them of this problem.

It happens with Lowes & Home Depot - two sites I use every day for work. Now I have to use Chrome or Microsoft Edge -YUCK. I went to your help page and tried everything I could find that may help with this issue and nothing has helped. I see that there are a LOT of other people having the problem as well...Can you please fix it.

Tracie

I've used FF for years and always had - "Open links in tabs instead of new windows" and "When you open a link, image or media in a new tab, switch to it immediately."

Until very recently this worked well.... now there are two identical tabs opening the link and the switch to immediately does not work.

A couple of weeks ago the scroll wheel on my Logitech mouse stopped working with Firefox. It works fine on all other applications on my computer but will not work on any web page or any Firefox menu. I am not using XMBC. I updated to Firefox 119.0.1 this morning and it didn't make any difference.

Hello there,

while trying to stream a Live-Stream i unfortunately get the following error, while the stream is loading: "Playback cannot continue. No available working or supported playlists."

Is anybody else encountering this issue?

Thanks in advance.

Sincerely

Recently have been unable to access the USPS Website from any of my Firefox Browsers. Firefox displays the following Message:

You do not have permission to access this page If you have found this page in error, please contact support Reference:10593116689666961403465577003670526342620034968299102359

My apple computer performed an uninitiated re-boot and now the Firefox icon in the task bar does not show Firefox as running, but when I click on the icon it tells me that Firefox is open and it cannot open another window. How to I shut Firefox down and re-start it?

Recently Youtube refuses to play any videos for me, saying adblockers are against their rules. I have uninstalled Adblock, and reset firefox totally. Youtube is still blocking me. It works fine on Chrome. Do I have to switch to Chrome permanently?

Brian.

Was getting some crash reports....now have a black bar on top of new tabs...it finally scrolls when you are halfway down the page. any help would be appreciated.

Hello, I have been a diehard Firefox user since it was still in Beta. I have been using computers personally since 1994 and professionally since 2004, doing Windows and Linux systems administration. I can and will do whatever (within limits) you need me to do to troubleshoot and resolve this issue, which is otherwise going to cause me to abandon this otherwise excellent browser, perhaps forever. The browser.cache.disk.capacity seems to work, but browser.cache.memory.capacity does not.

Why does firefox not respect the assigned values for browser memory cache (browser.cache.memory.capacity)? Is there anything I can do to limit the memory and processor usage of Firefox and its child processes? Is extension CPU/memory usage constrained by the application values? Is there a way to determine and/or limit the resource usage of extensions?

I have included a number of screenshots documenting its behavior and generated an about:memory report during "normal use". After configuring a number of system variables, I then attempted to determine its resource usage under heavy load.

Open the browser with a couple 2, 3 tabs: ~1GB memory usage Use the browser as "normal" (dozens tabs): ~2GB memory usage Open 100+ tabs from history: The CPU and memory resource usage increases until it consumes all available system resources despite configured values. After killing and restarting the process, the tabs have invisible titles in the extension and browser, and must be closed using Ctrl+W until only a few remain after which the browser can be used normally and again consumes ~1GB.

While I understand "just don't open so many tabs", under some circumstances such as poorly written websites, bugs, etc, even single sites may attempt to claim excessive resources. I sometimes run VMs and such on this machine and in order to retain a responsive system, cannot have applications consuming all of the available resources. I have found one proposed solution that uses an external application, is this the only way?

I am open to allowing Firefox to utilize more of the SSD storage (the 1GB limit was imposed for testing) and would be fine with increased slowness due to disk cache or refetching internetworked resources. However, none of the settings I have changed or attempts I have made appear to be able to limit the memory usage in any way. Additional included screenshots are linked above instead of as attachments due to number. I can share or generate additional reports to assist in troubleshooting.

Thank you! JackD