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Alpha overlays appear to have screen corruption on some sites

This question relates to my use of Firefox 88 on MacOS 10.14.6 on a dual-GPU retina MacBook Pro (15-inch, 2018). I'm using a dual external monitor set-up, and still runni… (read more)

This question relates to my use of Firefox 88 on MacOS 10.14.6 on a dual-GPU retina MacBook Pro (15-inch, 2018). I'm using a dual external monitor set-up, and still running 10.14 due to 32-bit compatibility issues with some of my (scientific, bespoke) software.

I am pretty sure that there is a very odd, browser-level bug in alpha display on my system that leads to, for example, the overlay of YouTube's UI appearing peppered with row-wise stripes of other colours; or PDF page previews not displaying properly. There is nothing relevant displayed in either the (JS) console log; `dmesg` or MacOS's Console.app application. The appearance of the stripes / corruption is randomly different each time: it is different in private browsing mode to not, for example, and refreshing the page alters their exact appearance.

I have done the obvious things of disabling hardware acceleration -- no change -- trying in a new private window with no extensions / addons loaded -- no difference -- but I do not necessarily want to nuke everything and try again. This problem has existed for as long as I have used FF on this computer, but I am just reporting it now. Mostly it's fine, aside from one variety of captcha that I cannot solve!

I have no idea how to go about debugging this and alas I don't have the time to do it "properly" -- I am on a system with SIP disabled and can easily load up FF in lldb, for example, if someone could give me targeted advice. I am not a web developer and do not know the exact api call that causes this -- but it appears to be used in pdf.js' sidebar page overlay code, but not the actual page itself. Most PNGs, SVGs etc are fine.

Please see the attached series of screenshots – if it's not clear what I've done (the same youtube video in and out of private browsing mode with no extensions, a PDF viewer; and that page reloaded showing a different pattern), please don't hesitate to ask -- the corruption is pretty visible in all cases, I think. The fact that I can screenshot this and share it with you means, I think, that it is not an OS-level graphics driver bug and is probably a rendering bug.

Thanks for your help, and sorry if this is the wrong forum!

Asked by landak123 2 weeks ago

Last reply by landak123 2 weeks ago

  • Solved

Firefox search setting.

Why does the Firefox browser keep changing my search engine to default when I want Google after I've changed it? It keeps happening? I change it to Google then it returns… (read more)

Why does the Firefox browser keep changing my search engine to default when I want Google after I've changed it? It keeps happening? I change it to Google then it returns to default. It's happens a lot. Thanks. Cheers...

Asked by heycody64 1 month ago

Answered by jscher2000 1 month ago

  • Archived

Crash Report bp-0796117f-b4e9-435c-b53c-b8c4f0200810

Tab crashes shortly after page load. Can someone tell me if there's a workaround for this crash? We're using ImageBitmapRenderingContext to transfer some images to canv… (read more)

Tab crashes shortly after page load. Can someone tell me if there's a workaround for this crash? We're using ImageBitmapRenderingContext to transfer some images to canvas, and this works in Firefox 78.

Some potentially relevant details: the code isn't perfect and we may be attempting to transfer some neutered images. These images are being generated from another canvas using createImageBitmap()

Unfortunately, the site is commercial, and somewhat complicated, so I can't share the source.

Asked by albertl 8 months ago

Last reply by FredMcD 8 months ago

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Firefox locks up. Cannot Force Quit

The latest Firefox update locks up my Mac OS 10.14.6. Force Quit does not work. Cannot shut down properly, or at all, unless using the power key. Did not have this pro… (read more)

The latest Firefox update locks up my Mac OS 10.14.6. Force Quit does not work. Cannot shut down properly, or at all, unless using the power key. Did not have this problem until I updated four days ago. I have to run 32-bit because of other applications.

Asked by mhougland 11 months ago

Last reply by FredMcD 11 months ago

  • Solved
  • Archived

MAC Your Firefox profile cannot be loaded. It may be missing or inaccessible (Already deleted Profiles file/folder and cleared cache, no avail). how to fix?

Alright, I use Firefox like normal, but sometime today it stopped working, I get "Your Firefox profile cannot be loaded. It may be missing or inaccessible" error, I looke… (read more)

Alright, I use Firefox like normal, but sometime today it stopped working, I get "Your Firefox profile cannot be loaded. It may be missing or inaccessible" error, I looked it up using safari, followed every possible interpretation of the instructions to no avail, I deleted the profiles folder and file, in both cache, and application support, on both my user folder and global HDD folder, no fix whatsoever, I don't know why this isn't working (yes I checked the hidden files, I searched my entire HDD and found no results for anything remotely named "Profile"/"Profiles" and I don't know what else to say.

I have checked: Application support (on every user) & Cache (on every user)

I don't know what's up, I also reinstalled Firefox after deleting everything related to it and I just don't know.

Asked by Phayden 12 months ago

Answered by Phayden 11 months ago

  • Solved
  • Archived

Firefox won't start - Was previously OK

Hi All, I have only recently installed Firefox for a specific purpose, have no plugins installed, just the basic program with about 3 bookmarks, that's it. Was all workin… (read more)

Hi All, I have only recently installed Firefox for a specific purpose, have no plugins installed, just the basic program with about 3 bookmarks, that's it. Was all working OK until yesterday when it just wont boot. I have tried everything I can think of, so far:

Have tried removing (using app cleaner) and re installing - No joy

Tried going to profile manager through terminal - deleted and created profiles but still no joy

Tried deleting app again with app cleaner and reinstalling previous version - no go

Tried starting app in safe mode (shift key) - no go.

Looking for suggestions as I need to use Firefox for just 1 old website that seems to not work on anything else!

I'm running a Macbook pro Early 2015, Mojave 10.14.6

Asked by soundengineer 1 year ago

Answered by soundengineer 1 year ago

  • Archived

TLS handshake slow, times out after Mac Mojave update

This has now happened after the last two Mac updates. I get the TLS handshake forever until it times out. Occasionally something gets through (like the Mozilla help pages… (read more)

This has now happened after the last two Mac updates. I get the TLS handshake forever until it times out. Occasionally something gets through (like the Mozilla help pages!) Unlike others who have posted this issue, the same problem holds in Chrome and Safari. I have tried various fixes, including a new identity on my Mac, with no success. Last time the issue seemed to spontaneously resolve after a couple of hours and never reappeared until Mac updated again. While all this is happening, my email works fine, my husband's macbook pro (just like mine) works fine, and my iPad works fine. I have left this message on the Mac help forum, too, hoping someone will have some idea of what is happening. OS Mojave 10.14.6

Asked by sunolen 1 year ago

Last reply by cor-el 1 year ago

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Firefox 73.0 Mac OS slow to load some web pages

Since the 73.0 update Firefox 73 loads SOME web pages slowly. For example, got to tesla.com and click on model S. This page barely loads. It starts but the graphic seems … (read more)

Since the 73.0 update Firefox 73 loads SOME web pages slowly. For example, got to tesla.com and click on model S. This page barely loads. It starts but the graphic seems very slow. I tried loading Firefox 73.0 in safe mode, same problem. Safari loads everything quickly so not my internet connection. Firefox 72 (72.0.2) worked perfectly

Running Mac OS Mojave on a 2013 Mac Pro.

Asked by jschneid002 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

Firefox crashes

Hello! My Firefox tabs crash constantly since I got a new computer. I have tried all the suggestions I can find in the forums. I did try downloading Firefox for enterpris… (read more)

Hello! My Firefox tabs crash constantly since I got a new computer. I have tried all the suggestions I can find in the forums. I did try downloading Firefox for enterprise but I could not figure out how to get it up and running, it seemingly installed, but Firefox seems to be the same. My new (to me) computer is a MacBook Pro 13" mid 2012 if that has anything to do with it. I have Parallels installed on my computer for the first time, if that might have anything to do with it. I have not had the problem with Firefox crashing within the Virtual Machine, though. Here is the latest submitted crash report: bp-f70bd533-3d22-4cd6-9f39-498920200121 Thank you for any insights and help!

Asked by hbschofield 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

sub-pages from our nextdoor webpage do not display, watching the ststus in the lower right looks lime the should load and display. this is on my Macbook

On our Nextdoor webpage https://nextdoor.com/ (social media type), sub-pages do not display. The main page loads, but the links I click do not. I see the status in the lo… (read more)

On our Nextdoor webpage https://nextdoor.com/ (social media type), sub-pages do not display. The main page loads, but the links I click do not. I see the status in the lower left looking like it is loading, but it does not display. This happens on my Macbook Pro , bit works fine on my iMac and in Safari on my MacBook Pro. What setting is messed up? If I go to other sites, it works just fine?

Asked by decmcinco 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

[Mac OS Mojave] Firefox crashes suddenly every time i use the keyboard

Firefox crashes suddenly every time i use the keyboard to copy, paste, close a tab, ecc. Removed software + related data, reinstalled from scratch, but same! Tested also… (read more)

Firefox crashes suddenly every time i use the keyboard to copy, paste, close a tab, ecc. Removed software + related data, reinstalled from scratch, but same! Tested also in safe mode, but same. Please, anybody have faced/solved a similar issue?

Asked by z 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

Can't open Firefox isn't showing any message when I press the logo. I have previously used Firefox but once it stopped opening.

I use a Mac OS X and when I press the logo it won't even show a sign of opening. It bounces and closes again and I don't know why. I've tried to follow your steps but it … (read more)

I use a Mac OS X and when I press the logo it won't even show a sign of opening. It bounces and closes again and I don't know why. I've tried to follow your steps but it hasn't worked out.

Asked by siar261202 1 year ago

Last reply by FredMcD 1 year ago

  • Solved
  • Archived

Something weird happening on Mac

My 2018 Macbook Pro updated last night and this morning I opened Firefox to find the window somewhat zoomed in, and it seems like I’m unable to zoom out. It’s hard to des… (read more)

My 2018 Macbook Pro updated last night and this morning I opened Firefox to find the window somewhat zoomed in, and it seems like I’m unable to zoom out. It’s hard to describe, but essentially the bookmark toolbar, all tabs and window header are gone, and if I zoom back out in “view” they stay gone. Same goes for the actual top of the webpage I’m on, any webpage. If I go into “preferences” I can scroll up and down the menu on the right side but still can’t see the very top, and I can’t see the options on the left so I can’t fix it that way. I already reinstalled it and it did nothing. I also tried to adjust my Mac display settings and it also does nothing. What’s wrong? Someone fix it please, I HATE Safari, I want my firefox back!!!!

Asked by dbletrouble81 1 year ago

Answered by FredMcD 1 year ago

  • Archived

Firefox crashes on Mac OS Mojave 10.14.16

Hi, I have the latest version of Firefox (68.0.2) and it crashes every time I run it on my Mac (Mojave 10.14.16). It does that in normal mode as well as in safe mode. I t… (read more)

Hi, I have the latest version of Firefox (68.0.2) and it crashes every time I run it on my Mac (Mojave 10.14.16). It does that in normal mode as well as in safe mode. I tried refreshing Firefox as well, but the problem continues. I also tried downgrading, no change. I would be glad for any ideas, as I have been using Firefox since like 2007 and I really don not want to change to another browser. Thanks.

Latest submitted Crash ID: bp-60c9cff9-08d0-4dea-bbd7-3d1fb0190825

Asked by Frantisek 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

soa2day.com keeps on opening a page which disappears within seconds. how can I stop this

Many time a day, a tab opens and loads a page from soap2day.com. I have tried to block this without success. Why does it happen, what kind of info is soap2day.com retriev… (read more)

Many time a day, a tab opens and loads a page from soap2day.com. I have tried to block this without success. Why does it happen, what kind of info is soap2day.com retrieving and how can I stop this altogether?

Asked by ygabs 1 year ago

Last reply by FredMcD 1 year ago

  • Archived

Messenger and the the Notifications pull-down menu on Facebook are non-functional using Firefox.

The Messenger page cycles and then goes blank, but with the full top-menu items showing. When I try the Notifications pull-down it just cycles, and never shows the notifi… (read more)

The Messenger page cycles and then goes blank, but with the full top-menu items showing.

When I try the Notifications pull-down it just cycles, and never shows the notifications.

These two FB features work perfectly on Safari.

Is this a Firefox problem, or a FB problem?

Asked by lpattis 1 year ago

Last reply by lpattis 1 year ago