Firefox 技術支援討論區

I have fedora 36 Linux on my laptop and I have installed Firefox from the software store. The version in Help>About>About Firefox shows 99.0.1 (64-bit).

I am able to play videos on Youtube but no video or GIF is playing on Twitter/Reddit/Facebook.

I have installed media codecs as per this fedora help

My autoplay setting look like as per the attached image. I do not have any extensions except Bitwarden on Firefox.

I also tried playing videos on Firefox 100 by downloading it directly from firefox website but faced the same issue.

I cannot play CNN videos in Firefox. They will not start. I can play them in Microsoft Edge and on my iPhone. I can play other videos in Firefox from, say, YouTube. It's just CNN that seems to be the problem. I have a Windows 10 PC.

When I open https://www.washingtonpost.com/ it loads but after a few seconds it goes blank. This started a few days ago and only happens on firefox.

I don't know if this is a problem with my installation, but websites without specific favicons (e.g.: https://forum.librivox.org/index.php?sid=fd7dca1ba59c207dd25121695677d565) don't have a placeholder icon in the tab. Is this intended behavior? There's the globe icon for bookmarks without favicons, couldn't that be used if a website doesn't have one? I think that would contribute to some visual consistency :)

I have looked across various support forums for information on this, I only see posts regarding favicons and bookmarks, not the tab itself, so apologies if this has been asked and answered already!

I download then open many student files each day. PDFs open fine automatically, but never Word files. In the Applications settings dialog, I have tried to choose the file format docx and doc. But neither are recognised as a valid file type. I realise that Microsoft is a bully and Mozilla may be trying to discourage its use, but I and the students are stuck with Word. How come docs and doc are invalid and how can I persuade Firefox to open them?

Thank you

i recently lost my computer to destruction. i have a number of files saved by Mozilla backup on a thumbdrive. i have several backup files dating from 2014 all the way until now. after re-installing Firefox on a new computer, i tried MozBackup to restore my old Firefox from the latest file dated a coupla of months ago this year. the files have names like Firefox 16.0.2 (en-US) - 2013-01-05.pcv or .pfc. when i tryt and load it into backup it saysit isn't a valid backup file. how can i get this to work?

I have tried the scaling options and it makes no difference. For PDF files, I save them. For webpages, I need to workaround and use Edge or Print Screen and past into a Word document.

I am newly running Windows 10 and reinstalled my printer drivers for HP 4520.

Thank you.

Hi I have been a user of Firefox for many a year, and this is the first tme I've come across an intrusive problem. Since updating to the latest version, I find I can no longer change the icon on a URL shortcut. I had quite a few of them, which helped distinguish (obviously) what I might want to select. That was then. Now, I have a load of indistinguishable Fireox logos which make finding the shortcut I want imossible. On going to change the icons, I find the Website Document tab in properties is no longer there .. while I have Firfox installed. Remove Firefox and the capability magically returns. I have re-installed Firefox in case of corruption, with no change. Before I remove Firefox permanently (which I'd be loathe to do), does anyone know the cause ... or solution or workaround?

Hello . I hope you be fine. After reinstalling Windows, I installed Firefox and enabled Sync. My addons synced on firefox but my bookmarks didn't. I had very important bookmarks. I tried everything but my bookmarks didn't come back. Please help me to fix this big problem.

FF updated yesterday with the new Ubuntu 22.04 (Pop) update to 99.01. Since the update the volume control inputs are essentially disabled on all web sites, and they default to max - even when muted.

Example - youtube - all videos play full volume Reddit - even muted videos play full volume

The volume can now only be controlled by the system slider.

The same behavior does not occur in other browsers - e.g. Chromium, Opera, etc.

Can anyone assist?

Hi, I tried to download a script but Firefox warned me it had a virus / malware. So I immediately put it in trash, emptied trash, restarted my Macbook and used Bitdefender to scan my Mac. Fortunately it detected no viruses. So I think I'm good (Hopefully!)

But, every time I open Firefox now, a little window appears at the top showing my last download and telling me it had a virus or malware - I'm posting a screenshot of this. I removed it from my history, and cleared the preview panel, but it still pops up. To be clear, this only happens when I completely close Firefox and reopen it, not when I just open new windows or tabs.

How can I get it to stop popping up with this message? Also - one other oddity, each time I open Firefox, it says the time this script was downloaded matches the time I open Firefox (as opposed to when I actually downloaded the pdf - about an hour ago)

The credit card autofill shows all the credit cards but when I click on any of them it does not autofill. Ive used this hundreds of times before and it worked fine. I never changed any settings and the autofill setting is on.

Please help!

Alex

Hello,

When I select text in Firefox the selection is not highlighted. The selection itself does work (e.g. deleting a selected word) but is not visible. The problem occurs in all fields where text can be entered, so the URL space, the search field but also text field on a page like this one. The strange thing is that the problem also occurs in Thunderbird.

I am using Ubuntu 18.04.6 LTS, Firefox 99.0 and Thunderbird 91.8.1

Like the title says, whenever I try to zoom out of an image to make it smaller, it causes the image to zoom out very far in just one scroll "tick".

To be more specific, I'm talking about just scrolling (not using ctrl+scroll). An example would be with Piskel.com where you simply use the scroll wheel to zoom the canvas.

Zooming in is perfectly fine, but when I try to zoom out it seems to zoom out by 3 or 4 ticks. On some websites, such as Piskel, it even it zooms the image out all the way making it very small and impossible to see (It does it with just one scroll tick).

My question is if there is a way to change or fix the zooming, making things zoom out more incrementally. (I recently switched from Chrome which didn't have this problem)

YouTube TV won't load in my Mac OR my Windows Firefox.

Error: "Please use the latest version of Firefox to watch YouTube TV on your desktop."

I'm running 99.0.1. Enhanced tracking off. Extensions off.

YouTube support has been no help! Any ideas here?

Thank you.

On my old (Intel based) MacPro Zoho email works fine. On my new M1 chip MacPro when I first open Zoho, or open an email, the page does not render properly at first (buttons/links don't work etc). After a delay it refreshes and shows properly. The delay depends on how fast my internet is - in the evening it can be a minute or so. Even when the internet is good I still get 2 versions of a page with a pause in between.

I tried on Safari and it works fine - which makes me think this is a Firefox issue.

I have some screen shots but when I click the browse button below I can select a file then it just endlessly shows working. I will have to email these to you separately

Thanks Phil.

I am trying to transfer my bookmarks, open tabs and passwords etc. from my old laptop to my new one. It appears I have to do this with Firefox Sync under the preferences menu. However when I try to connect a new device, I am told to open the code scanner on my Firefox App, which sounds like I have to use a mobile? How do I scan the QR code using my new laptop?

When viewing email on Outlook in Firefox, there now appears a rectangular black box over part of every email. This does not occur when viewing Outlook emails on Chrome or Edge. I thought it might be because of my adblocker (Ublock Origin) so I turned it off, but the black rectangle still covers part of my messages (and I have Ublock on Chrome, too, with no problem viewing Outlook).

The rectangle covers only a portion of the messages. When I scroll the message, the black rectangle remains stationary and the message scrolls behind it, thus revealing the portion previously covered by the black rectangle (a different portion of the message becomes covered).

I tried to take a screenshot to show the black rectangle covering part of the message. Amazingly, even though the black rectangle is there when I take the screenshot, the screenshot itself does not display the black rectangle....instead the message appears in the screenshot without being partially covered by the black rectangle.

An error occurred during a connection to www.facebook.com. SSL_ERROR_DC_EXPIRED What in the world? does Facebook not keep up with its own security? or is this a Firefox thing?