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502 BAD GATEWAY - when using Firefox

When I am on USCIS.gov, if I click some links, I get "502 Bad Gateway" error. I then have to switch to use Chrome. I've had issues with Firefox also when trying to get he… (read more)

When I am on USCIS.gov, if I click some links, I get "502 Bad Gateway" error. I then have to switch to use Chrome. I've had issues with Firefox also when trying to get help at quickbooks. I have to switch to Chrome for that as well. It's a nuisance. How do I fix it? I'd rather use Firefox but I have less problems with Chrome. However all my bookmarks and browser bar links are on Firefox which is why I would rather stay with Firefox.

Asked by rkclaw 25 minutes ago

Getting a strange message: "Sandbox: attempt to open unexpected file"

I run firefox from the command line in a terminal, and recently I have been seeing this set of messages in the term when I load various webpages: Sandbox: attempt to open… (read more)

I run firefox from the command line in a terminal, and recently I have been seeing this set of messages in the term when I load various webpages:

Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/cache/index2/size Sandbox: attempt to open unexpected file /sys/devices/system/cpu/cpu0/cache/index3/size Sandbox: attempt to open unexpected file /sys/devices/system/cpu/present Sandbox: attempt to open unexpected file /sys/devices/system/cpu Sandbox: unexpected multiple open of file /proc/cpuinfo

Mostly, there doesn't seem to be any loss of function related to this message. However, I have one anecdotal example of a forum website I have used in the past freezing on a blank screen at the same time these messages pop up in the term.

I can find no match for this particular message on the entire open internet. There is one near-match on bugzilla bug # Bug 1718493, but that is solved and done.

Any thoughts appreciated, thanks!

Asked by jbishop2112 18 hours ago

Last reply by jbishop2112 3 hours ago

Facebook scrolling starts flashing and removing posts from the newsfeed. This doesn't occur using other browsers.

I've recently noticed that scrolling the newsfeed in Facebook starts flashing and removing content, uncontrolled scrolling and removing content that had previously been a… (read more)

I've recently noticed that scrolling the newsfeed in Facebook starts flashing and removing content, uncontrolled scrolling and removing content that had previously been at the top of my feed. Performing the same activity in Edge does not have this behavior.

Asked by skyking1 17 hours ago

Dual Monitors: Losing the Menu Bar on the second screen while in fullscreen on the first monitor.

Hi All, I just started running a dual monitor set up on macOS 12.4. I have updated Firefox to version 102.0.1. I'm running into an issue where if I want to have a video … (read more)

Hi All,

I just started running a dual monitor set up on macOS 12.4. I have updated Firefox to version 102.0.1.

I'm running into an issue where if I want to have a video playing from a browser in full screen on one monitor, I lose the menu bar and access to the dock on the other monitor. I have set them up so that they behave as separate spaces but the issue persists. It should be noted that this only occurs when I'm trying to use the web browser on the second monitor. My impression of what's happening is the browser thinks that since it's in full screen on one monitor, it should be on the second screen as well. I want them both to act independently of one another and retain access to the menu bar and dock on the second screen.

I've trialed this with Brave Browser and Safari and neither of them have the same issue which leads me to believe with overwhelming probability that the issue I'm experiencing is isolated to Firefox.

I've included a screenshot from my second monitor. On my primary monitor I have a YouTube video in full screen. I think you can see from the screenshot that the Menu Bar has disappeared from the second display. I also have the Dock set to automatically hide and when the video is full screen on the primary monitor, the Dock will not un-hide itself on the second screen. Unfortunately clicking within the browser will not restore the Menu Bar and access to the Dock. Is this atypical behavior?

I appreciate whatever help you're able to provide.

Asked by Ryan Quinn 18 hours ago

Download of pdf attachments

Hello, I'm using Firefox 102.0 (64-bit) on Win 10. When I click on the download icon of email attachments or Whatsapp files, firefox opens the pdf files in a new tab inst… (read more)

Hello,

I'm using Firefox 102.0 (64-bit) on Win 10. When I click on the download icon of email attachments or Whatsapp files, firefox opens the pdf files in a new tab instead of downloading them. All other file formats are downloaded correctly instead. How can I correct this problem, please?

Best regards, Giovanni

Asked by Sparrox 3 days ago

Last reply by Sparrox 20 hours ago

pdf viewer not displaying colors correctly

Hi, I find that recently, my Firefox 102 (on MacOS 12.4, 2019 MBP 16) no longer displays colors correctly in pdf files. For example, in the attached screenshot I compare … (read more)

Hi, I find that recently, my Firefox 102 (on MacOS 12.4, 2019 MBP 16) no longer displays colors correctly in pdf files. For example, in the attached screenshot I compare page 4 of https://arxiv.org/pdf/2201.08431.pdf seen in Firefox and Chrome. Could anyone give me some idea how to fix this issue?

Asked by he.jia.phy 2 days ago

Last reply by he.jia.phy 1 day ago

I can only open a couple of web pages

I recently started having this problem. I open a couple of web pages and then can't open more without restarting and logging in again. I have cleared caches (no help) a… (read more)

I recently started having this problem. I open a couple of web pages and then can't open more without restarting and logging in again. I have cleared caches (no help) and reset (ditto). I have used Firefox for a long time and never had any problem.

Asked by gomurchu 1 day ago

Firefox crashing after RDP

Hi, When I connect to my desktop via RDP, Firefox is crashing on my desktop. It has began after updating to last versions. Current versions are Firefox 102.0, Windows 10.… (read more)

Hi,

When I connect to my desktop via RDP, Firefox is crashing on my desktop. It has began after updating to last versions. Current versions are Firefox 102.0, Windows 10.

Thanks.

Asked by sfk 1 day ago

Failure to install extensions

My installation of 32-bit Firefox 102 had been repeatedly crashing, sometimes for no apparent reason. I decided to download the 64-bit version of Firefox 102, uninstalle… (read more)

My installation of 32-bit Firefox 102 had been repeatedly crashing, sometimes for no apparent reason. I decided to download the 64-bit version of Firefox 102, uninstalled the 32-bit version, carried out a standard installed and all this appeared successful. I noticed that I was getting a lot of advertisements and remembered that I had had Ghostery installed as an extension in my 32-bit Firefox. I went to the extensions page, selected Ghostery and asked for it to be added. Shortly after that, I got a message that the installation had been aborted because the extension might be corrupt. I tried again and got the same message. I tried another ad blocker, and got the same message with that one; and tried a third with the same result. What is going on? I haven't changed any settings in Firefox since the standard installation, and the extensions were from the Firefox source, so how can the extensions be corrupt? If it isn't corrupt, why isn't Firefox installing it?

Asked by EdingtonJD 4 days ago

Last reply by EdingtonJD 1 day ago

Live and playback Video

I have found that my Fiefox cannot handle live news streaming and video playback and the picture freezes but the sound continues. This has been going on for years but I … (read more)

I have found that my Fiefox cannot handle live news streaming and video playback and the picture freezes but the sound continues. This has been going on for years but I do not have a problem with any other browser.

Asked by Sonny4U 2 days ago

Last reply by Sonny4U 1 day ago

Firefox suddenly zooms in 400–800% with no user input. Cannot undo.

I've been noticing this more and more recently. I'm using Firefox 102.0 on a Mac running Monterey (12.4) with 64GB RAM. Firefox will suddenly zoom up on a screen between … (read more)

I've been noticing this more and more recently. I'm using Firefox 102.0 on a Mac running Monterey (12.4) with 64GB RAM. Firefox will suddenly zoom up on a screen between 400% up to 800% (I'm guessing; no way to verify this): see screenshot. This happens on random pages without my hitting any keys or clicking on anything, and I cannot replicate it. Note that I do not have screen zoom engaged, nor do I have any sort of zoom mechanism turned on in the OS. Hitting "undo" does nothing, as the browser thinks I'm trying to undo an action on the page, not a zoom. Resetting Firefox or restarting makes no difference.

Note that the screenshot is at actual size, but I have no way to control the resolution at which it shows up for you.

Asked by fluckiger 6 days ago

Last reply by fluckiger 2 days ago

Videos will not fullscreen completely

Whenever I try to full screen a video the first time I open the browser, the video will not completely fill the screen. It only happens on firefox and the first time I op… (read more)

Whenever I try to full screen a video the first time I open the browser, the video will not completely fill the screen. It only happens on firefox and the first time I open the browser. I thought it was my extensions but it was not that. A thread was created on reddit describing the problem I have. I have linked it here. https://www.reddit.com/r/firefox/comments/rhwuvz/firefox_full_screen_on_win11_always_leaves_some/ I tried to change themes and that also did not work. Not sure what the problem is. Please help.

Asked by dk 3 weeks ago

Last reply by dk 2 days ago

Firefox freeze for seconds after save as dialog popup

after updating 102, I noticed that when I wanna download file from websites, after I click Save or Cancel in the dialog, my Firefox will get no response for 1-2 seconds, … (read more)

after updating 102, I noticed that when I wanna download file from websites, after I click Save or Cancel in the dialog, my Firefox will get no response for 1-2 seconds, I have tried troubleshoot mode, cleaning cache, but both not working.

Thx.

Asked by Mizuyoru_TW 2 days ago

Firefox opens PDF, then unfocuses, when opened from the download popup menu/icon.

Hi, this is a minor problem and more a quality-of-life thing, as there is no hard crash or bug per se. Context: I need to print a LOT of things every month for the job, s… (read more)

Hi, this is a minor problem and more a quality-of-life thing, as there is no hard crash or bug per se. Context: I need to print a LOT of things every month for the job, so I download a LOT of PDFs.

Problem: When downloading a PDF, if I open it via the dropdown menu in the menubar, it opens, but immediately unfocuses Firefox. That's it. Why the unfocusing? Lol.

Limits: If I mark PDFs to open automatically (in the options) instead of downloading, then it opens fine and no loss of focus. Same thing if I open from a folder, it's set to open in Firefox and it does so, with no loss of focus. As far as I can tell, the issue appears only when opening from the download button/icon/dropdown menu from the menubar.

Suggestion 1) Adding a "Download AND Open in Firefox" option in the settings would be my ultimate greatest option but.... maybe not the best for cluttering millions of people's browser options. It's just what "I" want to do ;)

Suggestion 2) Trace where it loses focus and re-focus / prevent loss of focus when opening from the menu.

Asked by olivier.myre 2 days ago

Browsing history - how much could it become "big" and affect Firefox performance?

Hi everybody, I never cleared my browsing history so far, because I often need to know which websites I already visited when I perform a research on Google. Having the pr… (read more)

Hi everybody, I never cleared my browsing history so far, because I often need to know which websites I already visited when I perform a research on Google. Having the previously visited URLs shown in a different colour is useful for my work.

However, I am wondering whether this huge amount of data could affect the browser speed and memory usage. More specifically, I have a few questions:

1) Out of curiosity, in which file of Firefox installation folder the history is saved, and where can I find it? 2) Do you think it is possible to clear ALL the browsing history, except for one specific URL? 3) Could a cluttered browsing history file affect negatively my browser performance?

Many thanks in advance for your help, Elisa

Asked by eli dunkel 6 days ago

Last reply by eli dunkel 3 days ago

ATTENTION: default value of option mesa_glthread overidden by environment

firefox returns lots of: libEGL warning: DRI2: failed to authenticate ATTENTION: default value of option mesa_glthread overidden by environment When I adde… (read more)

firefox returns lots of:

       libEGL warning: DRI2: failed to authenticate
      ATTENTION: default value of option mesa_glthread overidden by environment


When I added a line to /etc/drirc to specify a value firefox returns:

       ATTENTION: option value of option mesa_glthread ignored.

How can I make this stop?

Asked by RandomTroll 3 days ago

RE: Firefox extremely slow to load pages or connect to Web sites after startup

It's June 2022, and I am using FF64 101.0.1. My issue is best described by Zaayl (2017) at https://support.mozilla.org/en-US/questions/1157490, but the working and easies… (read more)

It's June 2022, and I am using FF64 101.0.1.

My issue is best described by Zaayl (2017) at https://support.mozilla.org/en-US/questions/1157490, but the working and easiest solution I found was the one offered by delclemons (2018) at https://support.mozilla.org/en-US/questions/1229621#question-reply.

My starting page is blank. I have an extension that shows my external IP as a country flag when FF starts up. If the flag doesn't show, I know I still cannot connect to any site. Similar to Zaayl's case, my FF can be able to connect to sites only after a certain amount of time, which varies from instant - very rarely - up to over 10 minutes. The wait always gets longer, especially when FF crashes and have to restart.

I've been searching a long, long time for the right fix. I cringe at the idea that I have to reinstall FF every time there's a major issue, like this one. Syncing back bookmarks and passwords and reinstalling the extensions are the easy part. The painful part is having to set details of accounts in the containers afterwards. I am so glad that is over now. Connection to sites is no longer prolonged after FF startup.

I wanted to thank the persons concerned, but I couldn't reply to their messages, which are now archived. So, I decided to post a new one here to do that; also, to help users who have to same issue as mine.

Asked by mobilesuit 1 week ago

Last reply by mobilesuit 5 days ago