Firefox supportforum

Hey, I can't add new filetypes to the handlers.json Who had this before? I have already reset Firefox, deleted handlers.json, used safe mode... all without success For example, when I click on a ZIP file, the "save as" menu opens immediately. In the FF settings this filetype does not appear. So I can't define how to handle new files. I have also tried the addon "Content-Type Fixer Content-Type Fixer".

I have set the Noto family of fonts to be the default font family but websites that don't specify a font or specify sans-serif or monospace get Liberation Mono. When I changed any option in the fonts settings, the entire browser becomes Liberation Mono. I want Noto Sans be the default font for websites and for the Firefox UI. I tried to fix it by preforming a Firefox Refresh, but it didn't work. I think the problem began after upgrading to Firefox 100 but I'm no 100% sure.

The included pic shows the red screen that comes up when I hold shift down when the mail composer is up, this is one of several like errors like a hover over text one and auto save one which crash the page nearly and require reloading of the page, another error is that the close, minimize and maximize buttons are missing when protonmail site tab is both active and maximized, not when minimized, then it is the same as the rest, support and I were not able to resolve this, I picked up some Java replacement extensions and whatnot and that did not work either.

Hello,

Firefox just updated to v100.

However, my menus (e.g., bookmarks, tools, history etc) and popups text has become black, having previously been white. The Menu Bar and Tabs text are still white.

How do I get the White text back on menus and popups please?

Thanks in advance.

Hello,

I am learning to look at websites with help of the development tools and the inspector tab and I am trying to get into how the web works and how the different programming languages interact and so forth. When moving the mouse over parts of the website, the relating code is highlighted in the inspector tab. I am having an issue as follows:

The first image shows a part of the website code. The mouse cursor is on no specific position, I marked its position with a blue arrow.

In the second image the mouse is over the red "free options" button and in the inspector tab a div appears out of nowhere. It does not appear in the code unless the mouse is moved over the button and disappears as soon as the mouse leaves the button. I have never seen that before (maybe because I am a beginner) and have no clue what happens there.

Is that done with javascript? Or with php? Or with css? Or anything else? What happens there and how can the actual code change?

In the inventor tab, does the code have to do with the DOM rather then the sourcecode of the website is that right?

Please give me some light =)

regards p3ppi

Similar to: https://support.mozilla.org/en-US/questions/1329194 https://support.mozilla.org/en-US/questions/1298089

In KDE 5.24.4, Linux. I started to have some issues with "Open containing folder" probably because I installed many Gnome apps which may cause bad configurations in my system.

I suspect this cause this issue even though I don't really have gnome file manager:

https://polywogsys.livejournal.com/309405.html "Gnome based file managers, Nemo/Caja/Nautilus provide the entry org.freedesktop.FileManager1. So it doesn't matter what you set as your default application for the filemanager mimetype - as per the freedesktop.org standard, firefox will always select a filemanager based on dbus (if it's there)"

But because the mimetype points to "dolphin", I dont really have other explanation either: $ xdg-mime query default inode/directory org.kde.dolphin.desktop

It seems since Firefox 100 the address bar has taken to being white-on-white, making it nearly impossible to read. There isn't any issues with light themes. It doesn't matter if I change the Windows 10 default app mode to light or dark. Light themes have black text on white background, but dark themes have white text on white background. Any ideas?

When i have like 50+ tabs pinned then firefox breaks and we cannot scroll tabs anymore. Of course closing tabs doesn;t work with Ctrl+W, but then we need some different shortcut for closing pinned tabs (like for example Ctrl + Shift + W) or just you fixing this bug ;) I attach 2 screenshots that show what happens with Firefox when having too many tabs pinned. I can't navigate through tabs anymore.

I have recently updated to Firefox 100. I am now getting this message on a page "You are using an outdated browser. Please upgrade your browser." I have confirmed I am up to date.

The "update you browser" has a link to "whatbrowser.org", which I believe is run by that horrid business, Google.

Has anyone struck this problem? Is there a solution?

I have closed Firefox & re-opened, I have rebooted the computer. No change.

I was trying to solve a hanging issue with firefox and following a 'tip' I changed the name of places.sq.lite to places.sq.lite.old I figured the renamed file would be there to back-up from if something went wrong and although the hanging issue seems to have been fixed I have lost hundreds of links that have taken ages to put together.

Where is sq.lite.old located as it is missing from the original folder? It is not in my recycle bin so renaming it to old hasn't simply deleted it. In another folder there are bookmark backups with dates (JSONLZ4 files) but I have no idea how to get my old links back from them, if indeed that is what they are for.

Please help.

Why does Firefox now (for the past number of weeks, at least) force me to SAVE every thing I want to read or print? Why cannot I simply read or print something without having to choose a place to save it and name it? I don't always want the file cluttering up my PC once I have read or printed it. Help will be appreciated!

ALSO, probably not related, but maybe? Every time I open Firefox, within a minute, the additional "secure" window to Amazon Smile opens and interrupts what I am doing. Has Amazon taken over the entire world?

Hi,

I would like to change the light grey hover color on menus (e.g. yellow), see attachments, probably using userchrome.css.

Does anyone know the correct code to do this please?

Thanks in advance.

https://www.ghacks.net/2021/06/28/firefox-91-download-behavior-when-opening-files-with-apps-changes/

https://bugzilla.mozilla.org/show_bug.cgi?id=1710933

If i want to open files into an application i do not want the files to clutter up my downloads folder.

this used to work perfectly pre-v91.

i understand that some users were confused where their files went when they opened them incorrectly within firefox.

currently i'm using a python script to clear my downloads folder from the useless files, but i'd rather just not have to bother with it.

is there a way to get the old behavior back? im comfortable going into about:config and/or using a plugin if i have to.

The Firefox desktop browser default font is replacing all fonts on some websites, only title fonts on some others, and then leaving others unchanged. It seems random, and I can't stop the default font from taking over randomly on most websites no matter what I do. This was not happening until today, and no browsers or general MacBook Air preferences were changed between today and yesterday when I last used the browser on desktop.

Under Firefox Preferences » Fonts » Advanced, I've made sure to check the box to "Allow pages to choose their own fonts instead of your selections above", and I've unchecked it, and I've re-checked it, and the default is still overriding fonts on most websites.

I've quit and restarted Firefox 3 times.

Help!

Normally there is no difficulty searching a pdf with a pdf reader. How does one do it in Firefox?

Note that ctrl+shift+f and ctrl+f do not work.

John

Hello,

I have been unable to watch Netflix or any "other" video content using the Firefox browser for the past few weeks. I've been pulling my hair out while working through the help articles, alongside bouts of furious googling - all to no avail.

On Netflix I am getting error code F7701- 1003. Netflix is telling me to use the latest version of Firefox, but I have been checking for new updates almost every day since I noticed this issue. My current version is 100.0 (64-bit) On other website I'm getting the error message "No compatible source was found for this media."

I have followed all of the fixes listed on the following articles, but so far have not been able to fix my problem: Fix common audio and video issues Fix video and audio problems on Firefox for Windows N editions

If there is anything I haven't tried yet, please let me know.