Firefox-Hilfeforum

I am developing an extension. I am running the extension locally and I have noticed that it doesn't load on this page (https://support.mozilla.org). Is there some limitation to running extensions here? The same extension works fine in google chrome for this page. It is very important for me that the extension runs everywhere since it's an accessibility extension.

Hello I have problem on my fedora workstation. When i click right button on the lowest bookmark on my list, the menu is hiding outside the screen and i can't see options.

I got help with this from your group some weeks ago, but I had to reinstall my Ubuntu OS (linux v.20.04.4 -- using firefox) recently and can't recall the answer.

When I view a WikiSpecies list of file names (e. g., see https://species.wikimedia.org/wiki/Pentatominae), the instances which have been installed but never used should be in a different (reddish) color. I am attaching an image of a page containing a file named "Abadia" (first one on the left, just under "A") which is unused. I also am attaching an empty "Creating Abadia" which is the result of clicking on "Abadia".

Please tell me how to change the image of an unused, empty file. I recall that there were two different choices SOMEWHERE in the system, "Always" and "Never" I think: One of them forces a system-level color pattern which includes reddish unused items; the other allows the used to program arbitrary displays such as the above (typical example from the dconf editor is 'bg_color: #f0f1f2; selected_bg_color: #023C88', but this editor does not change the appearance of a file instance.

I work on kubuntu 20.04 with plasma 5.18.8 desktop environment. I have a QtCurve-based custom application style, which I almost match with css for GTK apps. Firefox has to be an exception by itself! Not only that, but it changes my ability to customize its interface, from time to time and even changes access to such ability, on some updates.

My scrollbar customizations in userChrome.css and userContent.css do not work any more (other CSS changes still work, for menu/addressbar/tabbar/bookmarksbar orderint and tab styling). I had to resort to settings in user.js file, to get a 20px width scrollbar, suitable for my big screen, but... it gets very wide when I increase the focus, on some webpages and becomes very ugly! Furthermore, I cannot make sense of the proper use of "ui.themedScrollbar*" settings and the scrollbar and its slider result in the same color. These are my settings in user.js:

user_pref("widget.content.gtk-theme-override", "backwater"); user_pref("widget.non-native-theme.enabled", false); // Use GTK-3.0 gtk.css: set to false user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); // Use userChrome.css & userContent.css: set to true user_pref("widget.gtk.alt-theme.scrollbar_active", true); user_pref("widget.non-native-theme.scrollbar.size.override", 20); // If nothing else works, fix scrollbar width to 20px user_pref("widget.non-native-theme.gtk.scrollbar.round-thumb", false); user_pref("widget.non-native-theme.gtk.scrollbar.thumb-size", 1.0); // originally 0.75 user_pref("widget.non-native-theme.gtk.scrollbar.allow-buttons", true); // it was true, anyway... user_pref("layout.css.cached-scrollbar-styles.enabled", false); user_pref("layout.css.color-mix.enabled", true); user_pref("widget.non-native-theme.scrollbar.style", 4); // wide scrollbar theme: set to 4 user_pref("ui.themedScrollbar", "#bad1f5"); user_pref("ui.themedScrollbarInactive", "#668cc4"); user_pref("ui.themedScrollbarThumb", "#e4e4e4"); user_pref("ui.themedScrollbarThumbHover", "#e4e4e4"); user_pref("ui.themedScrollbarThumbActive", "#668cc4"); user_pref("ui.themedScrollbarThumbInactive", "#bad1f5"); user_pref("browser.dom.window.dump.enabled", false); user_pref("extensions.ui.sitepermission.hidden", false); user_pref("fission.experiment.max-origins.qualified", true);

Either with the "ui.themedScrollbar*" settings or without them (and cleared from the prefs.js file), the scrollbar and its slider result in the same color, unless I (tryingly) click on some place on the scrollbar outside its slider; then I can see the slider, _only_ for the duration of the mouse-down event (which causes up or down page-hight scrolling).

The default, very thin scrollbar, as well as my modified wide scrollbar with invisible slider are both useless to me! I have even tried fx-autoconfig (https://github.com/MrOtherGuy/fx-autoconfig) to make the scrollbar CSS work, but no result. At this point, I am considering switching to another browser, despite the trust I have to mozilla, for my data and privacy.

I'm struggling to get Firefox to use `http` instead of `https` when I'm doing development on my laptop. Playing with the `HTTPS-only` in the settings didn't make difference. With enable or not. I tried to add my `localhost` to exception list, but Firefox still tries to use `https.`

I understand the security concern from Firefox team, but if I'm trying to load by typing `http,` I would appreciate if Firefox gave me a benefit of doubt that I know what I'm doing. Maybe I could disable this feature temporarily. Why force `https` on `localhost`?

Please allow us some flexibility.

I am sending tabs from Firefox mobile to Firefox desktop (Arch Linux) (on a regular base for years). All worked fine. After a new install two weeks ago the Firefox desktop receives the tabs and opens them as supposed. But after a day or three when I open Firefox desktop it opens all previous tabs again together with the newly sent tabs. I deleted the Firefox profile and installed from Firefox sync but the problem occurs. I deleted all devices in sync and added my 2 devices (desktop and mobile) again but it didn't work. Does anybody have a similar problem (and a solution)?

I'm using Ubuntu 18.04. Developer tools kept popping up so I went into about:config & set everything to false. Now an equally annoying tab keeps opening up asking to enable them. I don't just get this hitting F12. Just like before I disabled, this keeps popping up for seemingly no reason. Guess I'm accidentally doing something with the mouse. I don't have a clue how to use developer tools. Wish I could just wipe it out completely.

In the location bar (aka url bar aka address bar), the base domain name ("example.com") is displayed as normal text, whereas everything else in the url is displayed in gray. For example, if the displayed url is https://foo.example.com/bar, the "https://foo." and "/bar" are in gray.

Is it possible to get the whole url displayed as normal text, i.e., black, and avoid this "graying out" of some of it?

In my searches so far, I've found various other customizations for the location bar via userChrome.css, but not this one. Any help appreciated.

I'm using firefox 91.8.0esr (64-bit) as currently packaged for centos7 (x86_64), though presumably this is not system-dependent.

Hello there to all.. I have been experiencing occasional crashes on the tab when left idle for a while!! I am using Ubuntu linux 22.04 when this occurs..! In Windows 11 or even Windows 10 x64 pro this does not occur to my knowledge at all.. So I am wondering why this is happening only on ubuntu linux 22.04 and not anywhere else??.. Anyways, Thanks for listening and have a great day ahead also..

I would like to enable picture-in-picture without constantly having a popup for it anytime my cursor goes onto the video screen. You could just put a button somewhere out of the way. It's so annoying I have to just disable it, and that's not right. Nobody needs popups of any kind for anything ever. It's the same as an ad.

Mozilla Firefox for linux Mint 99.0.1 (64 bit) - mint-001

Using Outlook web, when viewing pdf documents, it displays strange symbols (incorrect font sets are probably used).

I point out that using Chrome the problem does not arise.

I also installed the microsoft fonts thinking it might solve the problem I attach illustrative image.

Best Regards. Salvatore

I use firefox since I go to college. When I got some problems, I try to check firefox use what to pick folder? I use Manjaro Plasma. I find chrominum use kdialog. But firefox looks not though both use gtk3 as UI

Firefox choose folder got wrong when use a USB HDD

Hello! I want to work with burp suit application but for work with it the foxy proxy need. when I turned on the foxy proxy it always gives me different kind of error messages such ass "The proxy server is refusing connections". I tried everything I could but to no avail.

I installed an extension from a website(not from addons.mozilla.org) and found it a bit suspicious so after around using it for 1 minute immediately removed it... So will an extension be able to access root/admin permissions if it had some malicious script executed(I am using debian) or can extension access system files,modify,delete or install/download anything without the users' permission?

Thanks in advance AVC

Hello Firefox Support, I need help to upgrade the version of the security protocol that enables access to my NAS unit. Now the message;

"Secure Connection Failed An error occurred during a connection to 192.168.1.201. Peer using unsupported version of security protocol. Error code: SSL_ERROR_UNSUPPORTED_VERSION

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

This website might not support the TLS 1.2 protocol, which is the minimum version supported by Firefox."

indicates I no longer can access my page until I find the remedy to this issue. Thank you in advance for cooperation and help with is matter.

Canonical transformed Ubuntu installation process from apt to snap. Unfortunately my FF 100 now is not able to load libetpksc11 module with message: module cannot be loaded.

Hello! I've been using Firefox as my daily driver web browser for at least a year, first on Windows and now more recently on Linux (specs below). The PC itself is the same, the only thing to change was the OS. Ever since moving to Linux, I've had this problem with crashing. I have two monitors and I will usually snap the browser to half of one screen while I do other things on the rest of my display space. However, most of the time when I try to drag the browser window off of its half of the screen, all of my Firefox windows crash, with an error message about not being able to send a crash report (see attached image). This has been happening with multiple browser versions, both the official repository release as well as the Flatpak. No other application has behaved like this.

System details: OS: Manjaro Linux x86_64 Kernel: 5.17.1-3-MANJARO x86_64 DE: Plasma 5.24.4 WM: KWin CPU: AMD Ryzen 5 1600X Memory: 15982.8 MiB GPU: AMD Radeon RX 6600 XT (amdgpu driver in use)