After some months of non-use I can’t start up the program

Running MacOS 15.5. Former Firefox user, have not used Firefox for many months. Recently (last few months) when trying to startup Firefox it has not run successfully; alw… (read more)

Running MacOS 15.5. Former Firefox user, have not used Firefox for many months. Recently (last few months) when trying to startup Firefox it has not run successfully; always fails with an error message something like “Unable to load user profile …” and then Firefox immediately exits. Today downloaded newest Firefox v139.0. Now the same thing happens; but the failure message comes in Icelandic and Firefox exits immediately. How can I get past this ?

Asked by Douglas Brotchie 1 month ago

Can not use facebook messenger and vidieo to use New messages and calls are secured with end-to-end encryption. Only people in this chat can read, listen to, or share them.

The Facebook messenger calls are know secured with end-to-end encryption. Only people in this chat can read, listen to, or share them.And Firefox browser will not allow … (read more)

The Facebook messenger calls are know secured with end-to-end encryption. Only people in this chat can read, listen to, or share them.And Firefox browser will not allow video talking because it is not secured with end to end security. Now I'm having to use google Chrome to video call on messenger calls. Thank You Brian

Asked by bfgood123 3 weeks ago

Disable Auto-Rearrangement of Firefox Toolbar Icons When Sidebar Expands

When I enable vertical tabs and set the sidebar to expand on hover, the toolbar icons behave inconsistently. In the collapsed state, the icons are arranged vertically, wh… (read more)

When I enable vertical tabs and set the sidebar to expand on hover, the toolbar icons behave inconsistently. In the collapsed state, the icons are arranged vertically, which is correct. However, as soon as the sidebar expands, they switch to a horizontal layout—making it difficult to click the tool I want. Is there any way to prevent this automatic rearrangement and keep the icons in a vertical column even when the sidebar is expanded?

Asked by Mạnh Trần Quang 1 month ago

Unable to Use Disabled Add-on

One of the add-ons I use has been permanently disabled. However, the email that the developer received says "Users who have previously installed your add-on will be able … (read more)

One of the add-ons I use has been permanently disabled. However, the email that the developer received says "Users who have previously installed your add-on will be able to continue using it." Why can't I use it?

Asked by darkbloom52 1 month ago

Credit Card Fields Disabled

I noticed today that credit card fields are completely disabled in Firefox. I'm not talking about autofill, which i don't normally use anyway - I can't even select these… (read more)

I noticed today that credit card fields are completely disabled in Firefox. I'm not talking about autofill, which i don't normally use anyway - I can't even select these fields to input data. This is affecting multiple sites that are not related. Any ideas?

Asked by Micah O'Shaughnessy 4 weeks ago

Bookmarks & Containers: Can I "Open All in Tabs" & have them all in 1 container?

I'm using Firefox 137.0.2 on a MacBook Pro (M4) macOS Sequoia 15.4.1 . I just installed Multi-Account Containers, and have a question that's not answered in any support … (read more)

I'm using Firefox 137.0.2 on a MacBook Pro (M4) macOS Sequoia 15.4.1 . I just installed Multi-Account Containers, and have a question that's not answered in any support material I can find.

Before I installed Multi-Account Containers, I had several Firefox windows open, each with many tabs. For each window, I used "Bookmark All Tabs" to save that windows set of bookmarks in a separate Bookmark folder, e.g. "Weather Obs&Forecasts", "Reading_news", "Music & Language", "Reading_miscellany".

Is there a way that I can open a new window and open all the websites in a bookmark folder at once in a single container? (I have in mind making use of Bookmarks > Reading_news > Open All in Tabs .) Because opening a new window, opening a new tab in a container, duplicating that tab 10 times, and then using Bookmarks > Reading_news to open each of the bookmarks in one of those new containerized tabs was a real drag.

Asked by macLMHJ 2 months ago

this just makes things a little more difficult

firefox did an update this morning when I selected a link on a trusted email. Went as normal but I have lost my homepage. All I have is a blank page where I used to have … (read more)

firefox did an update this morning when I selected a link on a trusted email. Went as normal but I have lost my homepage. All I have is a blank page where I used to have my most used searches and links. All gone blank page (still have bookmarks drop down) Is this the new look? how can I get my homepage back please? Thanks Stephen

Asked by shay1000 2 months ago

Reduce height of Title Bar (v 139)?

Is there some way to reduce the height of the title bar with a tidbit of .css code in my userChrome file? I like having a title bar. I know I can shut it off but it look… (read more)

Is there some way to reduce the height of the title bar with a tidbit of .css code in my userChrome file?

I like having a title bar. I know I can shut it off but it looks naked without it and the menu bar looks like it has no friends.

But, it could be quite a bit shorter and I'd be happier.

Thx,

Asked by MozzieBob 1 month ago

Video DownloadHelper

Can someone please explain to me why the extension Video Downloadhelper works so erratically? It seems like it's gotten worse over time. According to Perplexity AI it pro… (read more)

Can someone please explain to me why the extension Video Downloadhelper works so erratically? It seems like it's gotten worse over time. According to Perplexity AI it probably has to with Mozilla's incessant updates; I have no idea if that's true or not, I just know it doesn't work very well anymore.

Asked by m2ndgmun 1 month ago

Start menu icons shrunk

How do I change them back? This looks bad and feels wrong. I used to use command in configuration editor back in the day when it happened long ago but now it doesn't work… (read more)

How do I change them back? This looks bad and feels wrong. I used to use command in configuration editor back in the day when it happened long ago but now it doesn't work. Why would you disable that?

Asked by apawelghost0 1 month ago

Firefox blocks POST request to a remote server with self-signed certificate and IP in address - MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT

Hello, a locally hosted application has a web interface which tries to send a data (POST request) to a remote resource (which is under my control) yet the web browser (Fi… (read more)

Hello, a locally hosted application has a web interface which tries to send a data (POST request) to a remote resource (which is under my control) yet the web browser (Firefox ESR 128.9.0esr) blocks this resource request saying in a developer console (F12) this:

  • NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_SECURITY, MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT)
  • Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://myRemoteServerIP/request.php. (Reason: CORS request did not succeed). Status code: (null).

I suspect that the CORS blocking is a result of the first (SSL) error, AI also told me that I can configure my remote server/resource (e.g., using Apache, Nginx, or PHP) to include the necessary CORS headers in its responses and indeed the remote server of mine has such lines inside a PHP script that is receiving the request: header('Access-Control-Allow-Origin: *'); header('Access-Control-Allow-Methods: POST'); header('Access-Control-Allow-Headers: *');

The remote resource (server) is using self-signed SSL certificate and it is referenced using IP instead of a domain name.

When I try to do the same request via Private browsing window (without extensions), there is no NS_ERROR about self-signed cert. but only CORS one. When I try browser Librewolf 137.0.2-1 (my FF version is older: 128.9.0), the request is NOT blocked, is OK..

My main aim is not to avoid blocking in my browser, but in all main browsers for everyone.

Is it so that this kind of blocking is default behavior in browsers? Is there please any way to avoid that, beside getting a domain name and CA signed SSL certificate?

Asked by #367259 2 months ago

No Access to Video playing from my Lenovo in Thinkific.com

I have a program up on cookingasmedicine.thinkific.com where students can go into my course and play videos. Everyone else can get the videos to play except me (the teach… (read more)

I have a program up on cookingasmedicine.thinkific.com where students can go into my course and play videos. Everyone else can get the videos to play except me (the teacher) form my Lenovo computer. It used to work as I created the course with videos working. I can however see them operate on Internet Explorer! I have tried every setting, cookies, cache, etc. Nothing changes! This happened suddenly after an update about a year ago, it's been that long that I've been trying to get videos going again!

I called Thinkific and they can not recreate the video problem on their end - it's just my computer it seems. Other students using FireFox can see the videos as well - just not ME! It can't be my computer since I have been able to see the videos with no problems for years using this same computer. Now, I have to switch over to Edge or Internet Explorer in order to see the videos in my class program. Even if I uploaded new ones, they just won't play for me on my desktop. Thank you. Claire PS My current browseer is Firefox Thanks, Tazz

Asked by Tazz 2 months ago