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Mailto missing

Mailto is missing from my applications section in Firefox settings. How do I add it back in? I've done an online search but nothing I found worked. I'm having difficult… (tuilleadh eolais)

Mailto is missing from my applications section in Firefox settings. How do I add it back in? I've done an online search but nothing I found worked.

I'm having difficulties adding an image but this is what is listed in my Settings - General - Applications: Under Content Type, I have: Portable Document Format (PDF) Extensible Markup Language (XML) Scalable Vector Graphics (SVG) WebP Image AV1 Image File (AVIF)

I tried searching applications for mailto and gmail but I get no returns.

Does anyone have any suggestions?

Asked by rfbend 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Half of images on certain websites suddenly won't load. Displaying as plain gray color.

This morning, I found out a selection of my discord server's icons had vanished and emoticons were not loading. I thought it was a discord bug but it's the same for youtu… (tuilleadh eolais)

This morning, I found out a selection of my discord server's icons had vanished and emoticons were not loading. I thought it was a discord bug but it's the same for youtube thumbnails. So far they are the only affected websites.

I have tried to no avail:

  • Updating extensions
  • Updating Firefox
  • Clearing site cookies and cache
  • Disabling hardware acceleration
  • Troubleshoot mode
  • Disabling my ad blocker
  • Using Web Tools to locate blocked content

Getting a bit desperate, haha! xD It's not my internet connection, my phone works fine.

Some notes: On youtube, only thumbnails seem to be affected and not all of them - about 2/3, seemingly random. On discord, server icons that are animated show up when moused over (animation) but not when static. When I noticed the issue it was only in a few servers. After doing the described troubleshooting all images are gone. Media sent in chat displays as normal.

If you have any help you are welcome.

Asked by sothajsil 1 bhliain ó shin

Answered by jscher2000 - Support Volunteer 1 bhliain ó shin

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Font style and color displaying wrong except in a private window

Today, I noticed that fonts on sites look different than normal. At first I noticed that font looked smaller, but zoom is set to actual size. Then I noticed that while on… (tuilleadh eolais)

Today, I noticed that fonts on sites look different than normal. At first I noticed that font looked smaller, but zoom is set to actual size. Then I noticed that while on a site with a black background the text was displaying as black also, making it impossible to read. I looked through the preferences and everything pertaining to fonts and colors appears to still be set to default. Next thing I tried was opening the same site in private window. While in the private window, the font and color appears as it should.

Any ideas how to fix this?

Asked by geek.jon 1 bhliain ó shin

Answered by jscher2000 - Support Volunteer 1 bhliain ó shin

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Youtube bar where you change quality/sound etc...

Hello, in YT bar when you change video quality/sound etc, there is something missing.... im not a native english speaker and it is hard to explain this to you, so i have … (tuilleadh eolais)

Hello, in YT bar when you change video quality/sound etc, there is something missing.... im not a native english speaker and it is hard to explain this to you, so i have some screens for you to understand it :)

The first screen where the problem is, is in Mozilla Firefox and the second one is in "Opera" and there is no problem with this. I don't know if i did something or it is mozilla problem so please help :)

Asked by BlackAndWhite 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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firefox not opening files with registered application

Firefox is forcing me to download a lot of temporary files instead of opening them in their native application, resulting in cluttering up my hard drive and making me unn… (tuilleadh eolais)

Firefox is forcing me to download a lot of temporary files instead of opening them in their native application, resulting in cluttering up my hard drive and making me unnecessarily having to clean up after the browser.

How can I fix this privacy invading feature?

Asked by Colin WG 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Turn Search Tabs Off

Once again Firefox adds a feature I don't want and can't disable. I want not to have a tab bar. They take up too much screen and get in the way. So I fond code that elim… (tuilleadh eolais)

Once again Firefox adds a feature I don't want and can't disable. I want not to have a tab bar. They take up too much screen and get in the way. So I fond code that eliminates the tab bar unless there is more than one tab. Then the latest release addes the 'search tab' down arrow I neither want nor ever asked for and I can't get rid of it.

Why do you insist on doing this Mozilla? How do I turn this useless feature off?

Asked by David H 1 bhliain ó shin

Answered by Terry 1 bhliain ó shin

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My malware app is reporting a Trojan.YZST.9002 loaded from Firefox executables

My System Mechanic malware search system has quarantined a virus located in two Firefox locations: Virus is W32/Trojan.YZST-9002 LOCATE IN: C:/PROGRAM FILES/MOZILLA FIREF… (tuilleadh eolais)

My System Mechanic malware search system has quarantined a virus located in two Firefox locations: Virus is W32/Trojan.YZST-9002 LOCATE IN: C:/PROGRAM FILES/MOZILLA FIREFOX/UNINSTALL/HELPER.EXE C:/PROGRAMFILES/MOZILLA FIREFOX/MAINTENANCE SERVICES_UNINSTALL... I will use the delete process and remove them and watch for future loads.

Asked by Jim 1 bhliain ó shin

Answered by Jim 1 bhliain ó shin

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How to create a Windows 10 desktop shortcut which starts a new instance of Firefox with a specific URL

Preamble: for most of the day I have Firefox open with several tabs. For a specific project I want Firefox open with one tab showing a specific webpage. At the same time … (tuilleadh eolais)

Preamble: for most of the day I have Firefox open with several tabs. For a specific project I want Firefox open with one tab showing a specific webpage. At the same time I don't want to delete the existing tabs in the existing instance of Firefox - I want to keep them running in the background. Question: how do I create a desktop shortcut which opens a new single instance of Firefox with a single tab showing a specific URL ?

Asked by pacman101 1 bhliain ó shin

Answered by jscher2000 - Support Volunteer 1 bhliain ó shin

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How do I lock bookmarks on the bookmark tool bar?

I'm a gamer and alt+tab considerably often. Most of the time I end up on FireFox because I need to look at a map or browse reddit while I'm in queue. However, whenever I … (tuilleadh eolais)

I'm a gamer and alt+tab considerably often. Most of the time I end up on FireFox because I need to look at a map or browse reddit while I'm in queue. However, whenever I alt+tab frequently a bookmark will get selected as if I am clicking and dragging. The bookmarks on the bookmark tool bar always end up in different places. Is there a way to lock these links in place so I can't move them or do I have to resign myself to fixing it every day?

Asked by Vileynye 1 bhliain ó shin

Answered by Vileynye 1 bhliain ó shin

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Firefox not saving usernames passwords

I recently updated to Firefox 104. When starting up the browser it prompted me to do a refresh which I naively said yes to. After Firefox was done refreshing and finally … (tuilleadh eolais)

I recently updated to Firefox 104. When starting up the browser it prompted me to do a refresh which I naively said yes to. After Firefox was done refreshing and finally came up again I noticed all my saved logins (usernames/passwords) from version 103 were gone. I spent the last several recovering my passwords which was very frustrating. And when Firefox prompted me to save the uname/passwds for each I pressed the save button thinking they were saved. I should have checked because they were not saved when I went to the about:logins page to see. It was empty. So I clicked on the "Create New Login" button to enter one manually. After entering in the web URL, my username and password and clicking "Save" a red banner appears above saying "An error occurred while trying to save this password."

How can I fix this so Firefox will once again save passwords?

Asked by cgrobertson 1 bhliain ó shin

Answered by cgrobertson 1 bhliain ó shin

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can't bookmark, no dialogue box appears, or does with save grayed out, can't edit or remove them

When I click on Bookmark Current Tab in the Bookmarks menu no dialogue box appears and it does not save it. Command D etc. to the right of the menu items are grayed out.… (tuilleadh eolais)

When I click on Bookmark Current Tab in the Bookmarks menu no dialogue box appears and it does not save it. Command D etc. to the right of the menu items are grayed out.

When I right click on the tab and click on Bookmark Tab I do get a dialogue box, but Save is grayed out (i.e. not clickable). I can only click on Cancel.

Clicking on the star in the address bar also does nothing.

Command D does nothing.

I've also discovered I can't edit or remove bookmarks either. Those processes look like they are working, but the changes are not saved.

I have shut down and restarted my MacBook many times since this started happening, as suggested by jscher2000 on the Mozilla Connect Community board, so that doesn't work.

This is Firefox version 104.0.1 (64 bit), on a 2021 MacBook Pro running Mac OS 12.5.1 "Monterey". Both Firefox and the OS are up to date (checked them again just now).

I bought my MacBook new at an Apple store on 08-26-22, and transferred my files and settings from my 2018 MacBook to it from my backup drive, updating to the newest version of Firefox, which I gathered was released just a few days earlier on 08-23-22.

Asked by dm9712 1 bhliain ó shin

Answered by jscher2000 - Support Volunteer 1 bhliain ó shin

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plugshare.com page is missing couple of crucial menu icons

When plugshare.com loads, there is a prominent search box at the top left corner. However it is missing the menu icon (see attached pic) as well as the search icon. This … (tuilleadh eolais)

When plugshare.com loads, there is a prominent search box at the top left corner. However it is missing the menu icon (see attached pic) as well as the search icon. This is happening on 2 different machines running Ubuntu 22.04.

Please fix. Google Chrome displays just fine; see attached pic.

Asked by groundie 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Sudden change in font

Hi all, Had my text font changed all of a sudden. I'm not sure if I've accidentally pressed a shortcut to change any setting. Image attached also show that this change… (tuilleadh eolais)

Hi all,

Had my text font changed all of a sudden. I'm not sure if I've accidentally pressed a shortcut to change any setting.

Image attached also show that this change has caused some misaligned numbers on a browser.

Is there a way to revert text to my previous settings?

Asked by cyberviper05 1 bhliain ó shin

Answered by Pete 1 bhliain ó shin

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Where does Firefox 104.0.1 cache screen icons on a windows 10 PC?

I changed the screen shortcut icon for https://mappingsupport.com. Then in the profiles folder, I renamed the file favicon.sqlite, closed Firefox and restarted my PC. Bu… (tuilleadh eolais)

I changed the screen shortcut icon for https://mappingsupport.com.

Then in the profiles folder, I renamed the file favicon.sqlite, closed Firefox and restarted my PC. But when I saved the mappingsupport shortcut to my screen, I still see the old shortcut image.

I also tried going to Privacy and Security where I deleted 'Cached web content'.

How do I tell Firefox to get rid of that old shortcut image and use the new shortcut image instead?

Chrome on my PC saved the new shortcut icon to my screen. My iPad also saved the new shortcut icon to the screen.

Asked by josephelfelt 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Trying to open any link from a pdf opens a page with the url resource://pdf.js/web/ instead of opening the link. Help?

Trying to open any link from a pdf opens a page with the url resource://pdf.js/web/ instead of opening the link. The attached image shows what the page that opens looks l… (tuilleadh eolais)

Trying to open any link from a pdf opens a page with the url resource://pdf.js/web/ instead of opening the link. The attached image shows what the page that opens looks like. This does not happen on Edge, so it is a Firefox issue.

I have updated to the newest Firefox version and the issue remained the same. I tried clicking on "viewer.html" and it brought me to an empty pdf page that just loads forever and cannot be downloaded.

Please help. I do not want to use Edge or go back to Chrome, but I will if this can't be resolved.

Asked by atanibab.neh 1 bhliain ó shin

Answered by jscher2000 - Support Volunteer 1 bhliain ó shin

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Recently Outlook mail is not usable after 10 minutes

The issues I am facing with outlook mail seems to have occurred within the last 3 months. I have used outlook in Chrome and there is no issue. I have gone to the Microsof… (tuilleadh eolais)

The issues I am facing with outlook mail seems to have occurred within the last 3 months. I have used outlook in Chrome and there is no issue. I have gone to the Microsoft site and there are several complaints that Outlook is not usable with Firefox. On my company machine, I limit my personal email to Firefox.

Other web pages seem to be fine, just outlook mail. I use Firefox for most of my testing & personal and Chrome for corporate browsing.

The issues start occurring after about 5 min, within the last month. I am a MacOS user and I have v.104. The issues face range from not limited emails listed, missing icons, javaScript drop-downs not working, not being able to delete emails, not being able to restore emails.

When I refresh the page, more recently Outlook crashes. My cache for Outlook is around 13-14Mb. When I clear the cache, things are fine for about 5-10 min. When the page refresh fails, I get the following consistent error message:- UTC Date: 2022-08-30T18:49:33.551Z Client Id: 1069883F64C04966AFA704CEF4EF3E78 Session Id: a338a732-ad52-4dee-a388-43aac7dac2b8 Client Version: 20220819006.08 BootResult: cdnError Failed resource: https://res-geo.cdn.office.net/owamail/20220819006.08/scripts/../resources/locale/en-gb/owa.MailListItemThreeColumnView.json err: Error: Failed to load localized strings esrc: InitLoc et: ClientError estack: c@https://outlook.live.com/mail/0/?bO=2&sessionId=a338a732-ad52-xxxx-a388-43aac7dac2b8:341:116883 a/a<@https://outlook.live.com/mail/0/?bO=2&sessionId=a338a732-ad52-xxx-a388-43aac7dac2b8:341:116563

Asked by Naipaul 1 bhliain ó shin

Answered by Naipaul 1 bhliain ó shin

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lines are jammed together on yellowpages.com

When I go to yellowpages.com everything looks as it should until I type in the business I want to look up. The screen that pops up offers the suggestions of businesses i… (tuilleadh eolais)

When I go to yellowpages.com everything looks as it should until I type in the business I want to look up. The screen that pops up offers the suggestions of businesses it has selected to view. But the lines are all jammed together making it quite difficult to read. Something is awry because on Edge this does not happen. Screenshot attached.

Asked by jworks 1 bhliain ó shin

Answered by jworks 1 bhliain ó shin

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Hide / Disable saved logins Dropdown

Hey guys, is it possible to disable the "saved logins" dropdown, whenever a password/email field gets focus? (see image) I've already disabled "Autofill logins and pass… (tuilleadh eolais)

Hey guys,

is it possible to disable the "saved logins" dropdown, whenever a password/email field gets focus? (see image)

I've already disabled "Autofill logins and passwords", but that just disables not directly autofilling the field.

I want to disable this field, since I can still use saved logins via right click "use saved password", which i prefer.

Its no form field, i've already checked that + it occurs on all login pages.


The only options i've found where: "signon.showAutoCompleteOrigins" - hides from which website and "signon.showAutoCompleteFooter", which hides the lower part with "view saved logins"

Is there a way to disable this Dropdown completly, without loosing the auto save/ask to save new passwords?

Kind Regards


Firefox 104.0.1 (64-bit) - Fresh install (just imported logins)

Asked by Dschogo 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin