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Using Mozilla.cfg to focus a custom new tab page

Hi everyone, I am having trouble getting my custom new tab page to be focused when opened (instead of the address bar). I am currently using the `autoconfig.js` + `mozill… (read more)

Hi everyone,

I am having trouble getting my custom new tab page to be focused when opened (instead of the address bar).

I am currently using the `autoconfig.js` + `mozilla.cfg` approach to overriding the `AboutNewTab.jsm` service with a custom local file. This is working great with the two files containing this code:

autoconfig.js: ``` pref("general.config.filename", "mozilla.cfg"); pref("general.config.obscure_value", 0); ```

mozilla.cfg: ``` // Custom firefox config

let { classes:Cc, interfaces:Ci, utils:Cu } = Components;

try {

 Cu.import("resource:///modules/AboutNewTab.jsm");
 let newTabURL = "file:///home/vallode/Documents/test/index.html";
 AboutNewTab.newTabURL = newTabURL;

} catch(e) { Cu.reportError(e); } ```

I have been attempting to use the `gBrowser` global to add an event listener to the new tab opening, but with no success. Could anyone point me in the right direction for something like this?

Asked by Vallode 2 years ago

Answered by Vallode 1 year ago

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Crashing when thunderbolt interface selected for playback

Hi there, Firefox has started crashing anytime I try to playback media with my Focusrite interface selected for playback. This issue has been ongoing for a few months. … (read more)

Hi there,

Firefox has started crashing anytime I try to playback media with my Focusrite interface selected for playback. This issue has been ongoing for a few months. Any page like youtube, with video or media embedded causes a crash.

For reference, I'm using a Focusrite Red8pre on a Macbook Pro. The error does not occur when using the laptops speakers for playback.

Any help here would be appreciated.

Cheers, -Harry

Asked by dogledastray 2 years ago

Last reply by Roland Tanglao 1 year ago

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Notifications Not Working

Hello. I'm using a brand-new installation of Firefox 78.0.1 on a freshly installed copy of Windows 10 Pro. The only way I can get Firefox to display any notifications i… (read more)

Hello. I'm using a brand-new installation of Firefox 78.0.1 on a freshly installed copy of Windows 10 Pro. The only way I can get Firefox to display any notifications is by having alerts.useSystemBackend set to true. While this is set to false, notifications will not work. If I use this site to test them, it just says, 'queued for display', followed immediately by 'closed'. I've also tried creating a new profile and testing it again with no success. All sites were granted notification permissions in each case.

Thanks for any help.

Asked by dojima 2 years ago

Answered by dojima 1 year ago

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Firefox doesn't respect screen edge in Windows 10

This is going to be difficult to explain, so I'll do my best; Recently, Firefox has been exhibiting a problem where, upon maximizing a window, the window extends up by a … (read more)

This is going to be difficult to explain, so I'll do my best;

Recently, Firefox has been exhibiting a problem where, upon maximizing a window, the window extends up by a few pixels more than any other maximized window. Now, normally this wouldn't be a problem as the top of the screen would cut off any extra padding. However, using a program that reserves the screen edge shows that a maximized Firefox window indeed extends past the regular window border by exactly 8 pixels.

What's more, when using Windows Snap on two separate Firefox windows, one of the windows respects the screen edge while the other does not! This leads to the window control buttons at the top right of both windows to be in different vertical positions, which is difficult to use.

No other programs I have exhibit this behavior, which is why I'm turning to Mozilla support. I don't know if the issue has to do with the browser or how Windows 10 renders the desktop, but it throws off the design of the desktop as I intend to display it.

In the provided example picture, the left window demonstrates predicted behavior where the upper border of the window is at the position I intend (40 pixels from the true screen edge), while the right window can be seen extending past the left one by exactly 8 pixels. I have tried this with extensions disabled, in safe mode, and every other way I can think of and the problem persists. No other programs exhibit this issue. This is utterly baffling to me and I hope someone might understand and be able to suggest any solutions.

Thank you!

Asked by mwhite112393 2 years ago

Last reply by mwhite112393 1 year ago

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Floating Meeting Tab Stuck, Can't Detach Tabs

I'm on Windows 10. The webcam software PerfectCam causes the floating icon-based meeting to be always on top [even if you minimise Firefox] and it also stops Firefox from… (read more)

I'm on Windows 10. The webcam software PerfectCam causes the floating icon-based meeting to be always on top [even if you minimise Firefox] and it also stops Firefox from letting you detach tabs from the main window by dragging a tab outside of the main Firefox window.

This does not happen with other webcam software such as SnapCam or Xplit.

The only way to get out of this problem is by closing Firefox. Extensions I have: Adblock, Adblock Plus, AddToAny Share Anywhere, Checker Plus for Gmail, Duplicate Tab Closer Quick Tabs Ported Startup Apps Weather

This does not happen immediately on the 1st Google Meet meeting of a Firefox session. It happens after a few meetings.

I actually find the always-on-top floating meeting Firefox tab a huge nuisance as I don't have anywhere to place it. If I put it on the corner, it covers the minimise/restore/close buttons. I'd love to be able to turn that thing off.

PerfectCam's maker Cyberlink's Tech Support already gave me some instructions after I sent some diagnostics data from my PC. The main thing was to go to the Device Manager > Display > Intel UHD Graphics 620 > uninstall And then go to an Intel page to download a software to downloaded the latest software for this intel thing.

After doing this, for most of the day, the problem didn't happen even after several meetings. So I thought that the problem had been solved. But at the end of the day it happened again.

I tested Google Meet on Chrome with PerfectCam and the problem doesn't happen on Chrome because it doesn't have a always-on-top floating meeting tab.

I'm attaching some images with information.

Asked by riluma 2 years ago

Answered by Roland Tanglao 1 year ago

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Downloading files and programs.

Every time I download something whether its a program or file, Firefox would completely freeze for a few seconds and then go back to normal and resume the download. I fin… (read more)

Every time I download something whether its a program or file, Firefox would completely freeze for a few seconds and then go back to normal and resume the download. I find it very irritating, especially when I am trying to do something else on a different tab whether its working on school work or just watching a video. Is there a fix for this or will this be fixed in an upcoming update?

Asked by razerhoff 2 years ago

Last reply by FredMcD 1 year ago

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Enter doesn't work in the URL bar

Hi everyone, I'm having issues with my url/navigation bar and I can't find out how to fix it. I already reinstalled firefox but it didn't change the issue: When I type i… (read more)

Hi everyone, I'm having issues with my url/navigation bar and I can't find out how to fix it. I already reinstalled firefox but it didn't change the issue: When I type in a website (or a search) in the url bar, nothing happens when I press enter, I have to manually click on the arrow to get the browser to react. (It works just fine in other browsers). I tried to de- and re-activate all the Address Bar Suggestions in preferences but this also didn't change anything.

Hope there's a solution out there..

All good Simon

Asked by oxholm8 1 year ago

Answered by ARMAN KHAN 1 year ago

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Dysfunctional tabes in Firefox

When I create a tab by clicking on a link, normally the tab will open to that link after a small delay. But some tabs just sit there, seemingly dead to the world. I've … (read more)

When I create a tab by clicking on a link, normally the tab will open to that link after a small delay. But some tabs just sit there, seemingly dead to the world. I've tried refreshing by hitting enter, or when possible (which it usually isn't) the refresh button on the taskbar, but nothing happens.

If I create a new tab, and cut and paste the link from the old one to the new one, usually the new one will open right away (after the usual delay). Meanwhile, the old one just sits there.

This has happened before (in much earlier versions of Firefox) in a small percentage of cases, but it is now happening with some frequency. I am currently using version 78.0.1 (64-bit).

Asked by jsg11 1 year ago

Last reply by the-edmeister 1 year ago

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Locking Preferences

So I'm trying to lock the preferences on the privacy & security options. I currently have a .js file named autoconfig.js in my "C:\Program Files\Mozilla Firefox\defau… (read more)

So I'm trying to lock the preferences on the privacy & security options. I currently have a .js file named autoconfig.js in my "C:\Program Files\Mozilla Firefox\defaults\pref" I also have mozilla.cfg in my "C:\Program Files\Mozilla Firefox".

When I go to the about:config however it is not greyed out or locked in anyway. I was wondering if anyone could spot what I'm doing wrong.

Yes my File name extensions is on.

Asked by carsonschutter 1 year ago

Answered by carsonschutter 1 year ago

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Adblocker Extensio

We provide a free adblocker to our customers. In previous versions of FireFox we could install the extension with our provided MSI installation file. But with the rece… (read more)

We provide a free adblocker to our customers. In previous versions of FireFox we could install the extension with our provided MSI installation file. But with the recent updates to FF, it no longer works. What do we need to add or do in order for the MSI to continue to work?

Asked by devops2 1 year ago

Last reply by TyDraniu 1 year ago

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Adding New Filetypes to Download List

I am following directions on this page, which is supposed to be applicable to my version Firefox 78.0.1 on my Windows 10 Pro 64 system: https://support.mozilla.org/en-US/… (read more)

I am following directions on this page, which is supposed to be applicable to my version Firefox 78.0.1 on my Windows 10 Pro 64 system:

https://support.mozilla.org/en-US/kb/change-firefox-behavior-when-open-file#w_adding-download-actions

But when I come to the subheading, "Adding Download Actions", it shows a dialog window which is unlike the one I get. Of the two images I've attached, the article shows the larger while I am offered the smaller. The article says the "Do this automatically" checkbox may be disabled, but doesn't mention it being absent: "Is Do this automatically for files like this from now on disabled? This can happen if the website's server incorrectly specifies the Internet Media type of the file. It also can happen if the server assigns "Content-Disposition: attachment" to the file. Could be the case here. Whether it is or not isn't important. What is important, is adding filetypes. I have no qualms with editing the registry if necessary. Can someone help me out with this?

Asked by fsawtelle 1 year ago

Last reply by cor-el 1 year ago

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How do I install Firefox on a new Windows 10 PC?

I have an older PC that I have been using with Win 7 as its OS. It's still there on one of the three HDDs that's in the PC. I have since added a fourth drive, which is a… (read more)

I have an older PC that I have been using with Win 7 as its OS. It's still there on one of the three HDDs that's in the PC. I have since added a fourth drive, which is a WD Blue SSD which is 560 MB/s big, and has Windows 10 installed and running on it, when I start up this PC.

How do I go about replacing the Microsoft software with Firefox and Thunderbird? The Win 10 software is different than Win 7 so I don't know how to use very well. And the Win 10 instructions don't exactly match up with the Win 10 that is installed on my PC, so if some-body could list some of the steps that are more accurate than what MS has given, I would appreciate it.

Asked by warp4dennis 1 year ago

Answered by ARMAN KHAN 1 year ago

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Unable to Login

I am unable to login to firefox accounts . I have the correct Email and Password, but it keeps asking me for the conformation code sent to the email for login, but i dont… (read more)

I am unable to login to firefox accounts .

I have the correct Email and Password, but it keeps asking me for the conformation code sent to the email for login, but i dont have access to the Email as the password is saved in sync server.

I mean the Lockwise Sync server. No i don't have any device currently logged in to Sync. I recently Formatted my PC, So all files for password manager were lost(I synced the logins to the server before formatting my pc hoping that the Login id and Password for the Accounts would be enough to retrieve them ) and am trying to retrieve the logins.

No luck with the login links i can login but cannot change anything in the settings, it says :

" NOTE: Before you can view or make changes to this section, you will need to verify your email address. "

So any way i try it is asking for the conformation code sent to my Email address Whose password is stuck in my sync server.

So its like


can't access the sync server -------because------- can't access my email for code------because--------can't access my firefox lockwise -------because-------can't access sync server

Need Help ASAP Please.

Asked by 029gautam 1 year ago

Last reply by Wesley Branton 1 year ago

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SLOW FIREFOX

I downloaded this Firefox two days ago, worked fine until today It took 5 minutes to get to this point. I had Firefox before but got slow, got no help, left for Edge. I… (read more)

I downloaded this Firefox two days ago, worked fine until today It took 5 minutes to get to this point. I had Firefox before but got slow, got no help, left for Edge. I'm sick of Microsoft cramming crap down my throat, would really like to stay with Firefox, but not at this speed.

Asked by carlgildner 1 year ago

Last reply by jscher2000 - Support Volunteer 1 year ago

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Launching Microsoft Teams using URL directly

I am using Firefox 78.0.1 64bit version, and suddenly I can not launch Microsoft Teams app by specifying its Meeting URL directly, like "https://teams.microsoft.com/l/mee… (read more)

I am using Firefox 78.0.1 64bit version, and suddenly I can not launch Microsoft Teams app by specifying its Meeting URL directly, like "https://teams.microsoft.com/l/meetup-join/19%3ameeting_NzVjYTUxYjQtODE1Mi00.......%22%7d". I can launch it yesterday but this morning I can not. I would like to know how I can solve this problem.

Asked by saigusa 1 year ago

Last reply by user2741548 1 year ago