Diễn đàn hỗ trợ Firefox

I used Speedtest by Ookla. When the broad band was installed, the technician did this without a problem. Today when I tried I was taken to an installation page. After I used the SpeedTest, then my main page was gone and instead I have a bar of Firefox selected options. I've tried to find how this is done so I can set it back but I can't find it. Please help.

I just had a glitch with the latest update to 102b, FF insisted I had an old version and would only let me make a new profile. So I had to set up multi-account containers again. I have specific sites opening up in each container, and I'd like to make a copy to make sure that if my profile gets goofed up somehow, I can always easily restore my setup with multiaccount containers just the way I like it.

What do I need to copy, so that with a new profile, all I need to do is copy over some files?

In my profile folder, I see an Extensions folder, as well as an extensions.json and extensions-settings.json.

Are those the only folders/files I'd need to restore multi-account containers on a new profile?

I have thought of using FF Sync, but I keep reading that it is not intended for copying, so much as sharing across different devices, which is not something I'm interested in. Should I just let sync copy my extensions, and then sign back in, in the event I want to restore addons to a new profile?

I've been having issues with the themes on the Firefox Browser. Almost all themes forces dark-mode on the browser. Since update 100 it no longer effects websites, but it still affects the browser (menues etc) despite me having the settings locked on light-mode.

I cannot watch a video on youtube when it is in the process of being live streamed. I remember a time when I was able to, years ago, but I can't any longer. I'm not sure what has changed. I found an article that says to install the optional update called "Windows Media Pack" in apps and features, but no app with that name exists. It was only a year old solution, so I'm unsure of what changed so significantly. I just installed another optional windows update, and also updated the browser, but still doesn't work.

Edition Windows 10 Home Version 21H2 Installed on ‎09-‎Jun-‎20 OS build 19044.1466 Experience Windows Feature Experience Pack 120.2212.3920.0

Firefox: 97.0 (64-bit)

I just installed the latest Version of Firefox 101.0 for Windows 10. Then when I tried to download a pdf file from my yahoo mail I received the following message: "Problem loading page" Firefox Can’t Open This Page To protect your security, dl-mail.ymail.com will not allow Firefox to display the page if another site has embedded it. To see this page, you need to open it in a new window. Learn more… Open Site in New Window Report errors like this to help Mozilla identify and block malicious sites

So, in order to open the page I have to press "Open Site in New Window"

Please advice why happened this issue and how can be fixed.

Firefox 102 beta stopped opening source of web pages in external editor

I have view_source.editor.external set to "true" and view_source.editor.path set to "C:\Program Files\Notepad++\notepad++.exe"

Before version 102, CTRL-U on any web page would open the page's source in the external editor.

In 102, the source is opened in the internal source viewer (in a browser tab).

The console shows:

   this._caUtils.getDefaultExtension is not a function viewSourceUtils.js:413
       getTemporaryFile chrome://global/content/viewSourceUtils.js:413
       openInExternalEditor chrome://global/content/viewSourceUtils.js:265
       openInExternalEditor chrome://global/content/viewSourceUtils.js:216
       BrowserViewSourceOfDocument chrome://browser/content/browser.js:3131
       BrowserViewSource chrome://browser/content/browser.js:3207
       oncommand chrome://browser/content/browser.xhtml:1

I have tried everything I know (I think) but Firefox won't allow me to stay logged in. How do I accomplish this??? I have researched online and still have not been able to accomplish this.... Google Chrome is no problem.... I stay logged in to it, but not so with Firefox... Help!!!!

Hello! Short story: I recently discovered that adding a new GIF image to a page resets the animations of existing GIF images on the page with the same src.

Expected behavior: Adding a new GIF image to the page should not reset the animation of existing images with same src.

Actual result: Adding a new GIF image to the page resets the animation of all existing GIF images on the page with same src.

Code with example: https://codesandbox.io/s/heuristic-platform-jsguir Video demo: https://www.youtube.com/watch?v=k-ZMrrqq_KI

Simplified version of the code showing unexpected behavior: https://codesandbox.io/s/elastic-shtern-vwrcx1

Does anyone know why this is happening? Is this a bug?

Browser: Firefox Developer Edition 102.0b4 (64-bit) OS: Windows 11

The partial code is :

< video onclick='playPause()' width='100%' controls >

 < source src='/videos/".$trimDir."/".basename($s)."' type='video/mp4' >

</video>

When I try to play iplayer as of June 2022 it comes up with error 5000/5001. Other tv players are no longer playing either, Channel 4 for some time now. My laptop runs on Windows 8 and I have the latest version of firefox. In plug ins my codec is set on always activate as is Widevine CDM. I tried unchecking 'play DRM controlled content' in settings then checked it again and it has come up with Widevine CDM will be installed shortly, but nothing has happened.

many thanks, frances

Firefox version: 102.0b7 OS: Win 11

While watching videos(movies/anime) video takes much time to buffer. If video is of 20 minutes then it loads first few minutes then after watch time reaches that buffered video then it takes more time buffer.

What I am looking is for, how can I force firefox to buffer full video at once or is there any way to increase buffer size.

MacOS FF dev edition 102 When I roll my mouse over a link, in pops up the URL in the bottom left (i.e. status bar as safari calls it) but there's no indication of if the link will show in the current tab or a new tab. in safari, the end of the URL states "in new tab" if that's the case.

Hello, Do not be tired

while i clicked on the normal Web page, Cursor is activate, And blink. it walks a lot on the nerves.

please solved this problem,

Thank You!

When I type my website in the bar, firefox puts www in front of it, which causes the warning page: firefox detected a potential security threat and did not continue to www.karinchappell.com. If you visit this site, attackers could try to steal information like your passwords, emails, or credit card details.

If I remove the www by backspacing it, the page loads correctly.

I've checked the website: "SSL is enabled on your site, and an SSL certificate was detected on your site."

When I've asked around the techies I know, I've been told this is an antiquated way of dealing with it. Please advise.

I had set up a userContent.css file in the past to pull up and fetch an image on my computer to display as a background on the homepage. It worked and did it's job until recently, when I had recently relocated a lot of my files around on my computer. I have redirected everything to where I want it to look, including the userContent.css file to the new location for the image I want as the background. Firefox loads the .css file correctly, and recognizes the file existing, but it won't load the image itself for some odd reason. It states it "may not load or link the file" because of a security error, and thus, can't load the image. I never had to deal with this before. How can I get Firefox to be able to load my image like I want it to? I have screenshots that I can provide, but this site doesn't want to upload them at the moment.

Ver 100.0 Settings:Startup:Open previous windows and tabs is UNCHECKED. But every time I open Firefox, it opens the last site I had open before I closed it.

This worked before ver 100 and suddenly has stopped working with ver 100.

I even rebooted the computer (Win 10, 64-bit) and same behavior continues.

ok my problem is: before: https://i.ibb.co/gdBssLZ/Image-224.png after: https://i.ibb.co/fSY8RHf/Image-241.png

my firefox take up more space, even my addons dont fit the way it was. its very annoying, how can i make it back?