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Questions tagged [firefox]

An open-source web browser developed by Mozilla. If relevant to the question, also include the tag of your operating system.

0
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0answers
10 views

Firefox doesn't restore sessions

Every now and then when I open Firefox it doesn't restore the previous session. What's even more irritatiing is that I can't seem to restore any previous sessions manually because the history is gone. ...
0
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0answers
49 views

Firefox Gmail Corrupted Content Error [migrated]

Just today, all the sudden my Firefox can't access to Gmail. When I try to login to my Gmail, it will shows Corrupted Content Error The site at https://mail.google.com/mail/u/0/ has experienced a ...
3
votes
0answers
30 views

Does chrome load videos in a different way than firefox?

When trying to load videos onto a Three.js texture, I noticed that the Chrome is loading a video in ~2Mb chunks and playing the video once the chunk loads. I am comparing this with firefox where a ...
0
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0answers
12 views

How do I get Firefox to ignore the content type and use the extension to open a file?

I am often emailed links to files on an internal website. These files all have a ".p4r" extension. When I click on the link, Firefox (v63) prompts me to download the file. I am not given the ...
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0answers
31 views

Criterias/test to chose a browser [on hold]

In order to choose a browser (as standar browser) for a specific company where automatic testing is important(cucumber...) What kind of tests or criterias do we need to follow in order to chose a ...
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0answers
24 views

Why firefox behaves so weirdly/annoying?

Occasionally FF starts very heavy activities, performing huge amounts of I/O (On my HDD) and considerable CPU usage for a long time (More than 10 minutes is really normal for it) that there is no ...
0
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0answers
31 views

Synchronize Firefox bookmarks but use different “views”

My aim is to synchronize Firefox bookmarks on different devices but without merging them simplistically; instead, I would like the bookmarks from each device, although accessible by all devices, to be ...
-1
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0answers
12 views

Program Firefox-ESR to pass a custom value with all requests it makes [on hold]

We're using a script to set up Firefox on a bunch of Debian-powered terminals for internal use. Is there a way to include some custom values (host machine serial number, GPS, etc.) with all requests ...
-1
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0answers
58 views

Facebook is terminating my internet connection on PC [on hold]

I have an issue with a FaceBook it is terminating my internet connection on PC So to summarize when ever I get into the website, it hangs for few seconds, Then I no longer have internet connection ...
0
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1answer
51 views

Firefox tracks downloads, but are uploads logged somewhere?

Is there a way to find the history of uploaded files like there is for downloaded files? If there is not a GUI for this, is there a log file I can comb through for this information? I am looking for ...
1
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0answers
30 views

Firefox 60.3.0 ESR on Debian 9.5 AMD64 zooming bug?

Purpose I need standard zooming functionality to work properly on Firefox 60.3 ESR. Problem description I run Firefox 60.3 ESR. Preferences are default, about:config is default. No extensions in ...
2
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1answer
47 views

How to use Firefox in Private mode with only *some* add-ons?

On Chrome browser, you can select which extensions are active in private mode (incognito). How to do the same in Firefox please? (By default Firefox allows all add-ons in Private mode).
1
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1answer
25 views

How to enable SSO when using private mode in Firefox?

In Firefox, I can enable SSO (Single sign-on) or Integrated Authentication using these two options: network.automatic-ntlm-auth.trusted-uris network.negotiate-auth.trusted-uris It works as expected....
2
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0answers
29 views

Is the new Firefox Content Blocking similar to Ghostery? [closed]

I have been using the Ghostery plugin with Firefox for a while now as my main tracking and ad blocker. I've noticed that the new Firefox 63 also has content blocking. Do I no longer need Ghostery ...
-5
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0answers
77 views

Why firefox works on Linux but it cannot be ported on Minix? [closed]

Andrew Tanenbaum in a seminar mentions that firefox is too complicated to be ported to Minix: https://www.youtube.com/watch?v=oS4UWgHtRDw#t=38m10s I searched and could not find the reason. Why does ...
2
votes
1answer
85 views

How to use uBlock Origin to block just the page stackexchange.com without blocking the entire stackexchange network?

I've found HNQ are really distracting to me, so I want to block them. This question has some ways to block them in the sidebar, but the same list exists over at https://stackexchange.com/. I want to ...
1
vote
1answer
46 views

Why is it not possible to bypass SEC_ERROR_EXPIRED_CERTIFICATE on serveral browsers?

I have tried to open https://utox.io which has right now the following error: SEC_ERROR_EXPIRED_CERTIFICATE (FireFox) NET::ERR_CERT_DATE_INVALID (Chrome) DLG_FLAGS_SEC_CERT_DATE_INVALID (Internet ...
0
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0answers
20 views

How to improve font rendering in Firefox

I'm Firefox 64 developer edition under Linux. Fonts look uglier than Chrome. What can I do to improve them? Firefox vs Chrome fonts What I've tried so far, without any improvement: disabled ...
0
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0answers
8 views

How integrate addons-linter with vscode?

How integrate addons-linter with vscode? Its may be like atom-webextensions: https://github.com/rpl/atom-webextensions
2
votes
1answer
153 views

Firefox 63 slow page load?

My System: I have an I7-4790k cpu and a fast connection (low latency/ping 33 e.g. to amazon.de, enough traffic bandwidth 32 Mbps). I'm using Firefox 63 stable which uses all my cores. Problem: Still, ...
0
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0answers
24 views

Disable “Open Executable File” dialog in Firefox 63.0

After the latest update Firefox began to open an annoying "Open Executable File?" dialog every time I try to open any downloaded file, be it PDF, ZIP, you name it. I'm not a baby, I know what I ...
0
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0answers
7 views

Exclude form select dropdown values from Firefox's “Find in This Page”

Is it possible to limit Firefox's "Find in This Page" search to only text visible on the current page, not in form dropdowns? I have a page that has hundreds of dropdown (select) elements with ...
0
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0answers
19 views

How can JS scripts be prevented from changing the text in <title> in Firefox?

I would like to prevent scripts from modifying the contents of the <title> tag in Firefox. Is there any preference or addon to block this behavior?
0
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0answers
10 views

Firefox CORS policy warning; despite valid headers

Firefox seems to take issue with my .woff-font files. Sometimes. Here's what it complains about in the console: However, in the network panel, everything looks utterly well: Then, a refresh later, ...
0
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0answers
13 views

TidyTabs crashes when grouping firefox and thunderbird windows

I have been using TidyTabs Pro (paid) to group my windows into tabbed windows (win 8.1, extended to 3 monitors). Unfortunately, you find out after you pay for it that (a) TidyTabs Pro crashes when ...
1
vote
1answer
20 views

How to set duckduckgo as default search engine using user.js?

I'm trying to set default search engine using user.js, but I have troubles finding way to do it. What firefox option in about:config manages this thing?
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0answers
4 views

Enable testing of native pinch to zoom in Firefox

By reading this bugzilla issue I get the impression that I should be able to test the upcoming native pinch to zoom feature in Firefox by setting mousewheel.with_alt.action to 5 in about:config, but I ...
0
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0answers
33 views

Firefox bug when launched from Windows 10 taskbar

So, I have been having this annoying issue for nearly a month now and none of the solutions I found online seem to help. Here's what happens. When I click on the Tasks present in the Firefox task ...
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0answers
41 views

Top of the window missing from adobe pdf and from a firefox

I've had this problem with two users already, and it's mostly solved by restarting the computer, but I was told it doesn't always go away this easy. The top of the window will disappear. You cannot ...
0
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1answer
90 views

Not able to run 'Firefox Quantum 63.0 (64-bit)' and 'Firefox Developer Edition 64.0b4 (64-bit)' at the same time on Windows 10 Home Single Language OS [duplicate]

I've a laptop on which Windows 10 Home Single Language 64-bit Operating System is installed. I've installed the web browser 'Firefox Quantum 63.0 (64-bit)' on this laptop. Then, I installed the web ...
0
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0answers
40 views

Disable security warning for opening downloaded program files

I started getting warnings when attempting to open downloaded jar-files in Firefox today, and I can't figure out how to disable the warning: It basically says something like "x.jar" is a program file,...
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0answers
65 views

Javascript not working - site & browser specific - touchscreen related

I regularly use a Javascript-based website, and I am now finding the following:- Vivaldi - the website displays properly but "doesn't work". Firefox - same as Vivaldi. MS Edge - displays and works ...
4
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1answer
111 views

Disable upgrading of Firefox

Sorry. We just need to do one small thing to keep going. We have just installed an update in the background. Click Restart Firefox to finish applying it. We will restore all your pages, ...
3
votes
1answer
704 views

How to bring back “Save and Quit” feature in Firefox 63+?

I've always enabled the browser.showQuitWarning feature in Firefox so I can choose to keep the tabs or not when I close the browser However last week my Firefox updated to the version 63 and suddenly ...
0
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2answers
34 views

In Firefox, how to prevent page reload on return to previous page

When I visit a site such as NYtimes.com and then click on an article, returning to the main page (using a two-finger swipe, the back button or backspace) causes Firefox to reload the page however ...
0
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2answers
32 views

Transfer of Firefox passwords (across different versions)

I'm using Firefox 60.2.2, but I have to go down to an old version (52-56) to use some add-on that's not compatible anymore. I created another user profile, since I had the impression using the same ...
0
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1answer
45 views

Keyboard-shortcut for Firefox print preview?

For testing the print output during web development, I find myself frequently pressing Alt+F followed by V. That is, open "File" menu, then execute "Print preview". This is cumbersome. Is there a ...
0
votes
1answer
29 views

error: Platform version is not compatible (XUL runner)

Not sure why I'm getting an XUL error: XUL runner error: Platform version '61.0.2' is not compatible with minVersion >= 61.0.1 maxVersion <= 61.0.1 Particularly when this version of Firefox ...
-1
votes
0answers
10 views

Pen scrolls page instead of draw in browsers

I am opening chinese handwriting recognition sites like this or this, but can't draw there with my Wacom pen -- it scrolls page instead of draw. The same happns on both sites and in all browsers ...
0
votes
1answer
55 views

Script to set Default Browser

We have a GPO in place that sets IE 11 as the default browser on every startup. Instead of having to change the default browser to Firefox manually each time, I'd like to auto start a script that does ...
0
votes
1answer
31 views

Unselect Address Bar in Firefox

I know that I can jump to the address bar (aka Location bar) with Ctrl - L. But once I'm there, I can't figure out how to go back to "normal mode", i.e. where Space / Shift - Space go page up/down etc....
0
votes
2answers
55 views

How can i print particular documents with particular printers in different times

I have a print button in a web application, which on click will generate and print two receipts(Receipt A & Receipt B) at a time. Right now the print is coming to a single printer(Printer X). I ...
0
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0answers
66 views

How to use Chrome or other browsers on small screens so that they are maximized ½ of the screen without tabs and address bar, and properly navigate?

Laptops are getting smaller and lighter. I have a 14 inch screen and I find it not satisfactory to see enough web pages, because the address bar, the tabs, the margins take a lot of vertical space on ...
-1
votes
1answer
25 views

Partial network fallout (Gmail, Facebook,…)

Firefox and Google chrome are unable to connect to gmail.com, facebook.com and a few other random sites. Most sites still work. Error message from Firefox (14-10-2018 version): Secured connection ...
0
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0answers
14 views

Change Chrome autofill behavior

I use autofill in Firefox a lot and I like the way that when you type something in a search box, Firefox will suggest words or phrases where the letters you have typed appear ANYWHERE within the word ...
3
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0answers
17 views

Unable to input UTF-16 characters in firefox

I want to insert greek characters, via a keyboard mapping I've made, when working in firefox (and Jupyter Notebook). I am able to use ctrl+cmd+space to add characters like 𝝭 𝝭 MATHEMATICAL SANS-...
0
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1answer
66 views

Import passwords stored in CSV with python

I tried to import password with an utility in python from labo: I made an utility that solves this issue: https://github.com/louisabraham/ffpass pip install ffpass ffpass import --from ...
0
votes
1answer
33 views

Can not copy-paste a tweet in Firefox

It is a weird problem. I am unable to copy from or paste into a tweet in Firefox. e.g. I can copy some content from a web-page but can not paste it into tweets at Twitter (works in Chrome) If I ...
0
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1answer
76 views

Proxychains doesn't work as intended in Kali Linux

I am beginner to ethical hacking and trying to route my request using proxychains and tor referring to this YouTube video link. I did everything as shown in video and even after that it doesn't seems ...
3
votes
2answers
299 views

Firefox refusing to connecto pbs.twimg.com and other major sites

All of a sudden, Firefox (62.0.3) is failing to load CSS and other content forfrom Twitter related web sites. For example, connecting to Twitter with the "Network" panel open, I see that it is ...