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Unable to show File Picker

This was going to be a question about Firefox being unable to display the file picker dialog, but I managed to find a solution that worked for me along the way. Since it … (funda kabanzi)

This was going to be a question about Firefox being unable to display the file picker dialog, but I managed to find a solution that worked for me along the way. Since it was nowhere near the top of Google's results, I thought I'll share my solution in the hopes that this would help someone facing this same issue.

The hardware:

  • Asus UM425IA Zenbook (AMD Ryzen 7 4700U CPU)

Worked in:

  • Ubuntu 20.04 LTS
  • Firefox provided by APT repository
  • Xorg display server

Not working in:

  • Ubuntu 22.04 LTS
  • Firefox 99.0.1 provided by snap
  • Wayland display server
  • File picker worked briefly on fresh install, but something (not sure what) quickly breaks file picker functionality

The symptoms:

  • Firefox stopped being able to open file picker dialogs
  • Right clicking an image and selecting "Save Image As..." does nothing
  • With forms that accept file upload (such as on this post question page "Add images (optional):"), clicking "Browse" does nothing
  • File downloads work correctly when set to "Save files to ..." under Settings, but nothing happens when set to "Always ask you where to save files"
  • No response to "Ctrl + O" open file shortcut

Similar questions and solutions:

Things I tried that did not work:

  • Disabling hardware acceleration
  • Starting with add-ons disabled
  • Troubleshoot mode
  • Clearing startup cache
  • Clearing cookies and site data
  • Clearing history
  • Refreshing Firefox
  • Creating and using a new profile
  • Deleting the `xulstore.json` file from the profile directory
  • Toggling all permissions under Ubuntu Settings > Applications > Firefox to off and then back to on
  • chmod 777 ~/Downloads
  • Disabling native file picker "ui.allow_platform_file_picker = false"

And finally, what fixed it for me was to go into "about:config" and change "widget.use-xdg-desktop-portal.file-picker" from "2" to "0". Credit to this post that clued me in.

I really hope this saves someone else 2 days of hair pulling and I would appreciate advice from someone more knowledgeable than me on:

  • Why this fixed the problem
  • Whether I should be opening a bug report either against Firefox, or Ubuntu
  • Whether I should also be changing "widget.use-xdg-desktop-portal.mime-handler" and "widget.use-xdg-desktop-portal.settings", both are currently set to "2"

Asked by James Fu 2 iminyaka edlule

Answered by Kiki 1 unyaka odlule

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Firefox Automatically Redirecting from HTTP to HTTPS (RESOLUTION)

As per this issue I reported a while back, I was experiencing odd issue with automatic redirect to HTTPS for some private development sites. I finally found a fix for th… (funda kabanzi)

As per this issue I reported a while back, I was experiencing odd issue with automatic redirect to HTTPS for some private development sites.

I finally found a fix for the issue. The problem appears to be with DuckDuckGo Privacy Essentials Extension which apparently *may automatically redirect to the http site. In order to prevent this, I added my development sites to 'Unprotected Sites' and this prevented DuckDuckGo from doing the automatic redirect to https.

  • - Odd thing is that I had multiple domains pointing to the same web instance and only one of the domains was having this issue with the DDG extension. Both were going to the same IP through a HTTP proxy. The proxy and web server were not the issue. This symptom points to an maybe an issue in Firefox....

In summary, be wary of odd redirects and the DuckDuckGo Privacy Essentials extension if you are doing web development work.

Asked by Timothy C. Quinn 2 iminyaka edlule

Answered by Timothy C. Quinn 2 iminyaka edlule

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Using HTTP instead of HTTPS

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 differen… (funda kabanzi)

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.

Asked by Marcelo Garcia 2 iminyaka edlule

Last reply by Marcelo Garcia 2 iminyaka edlule

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Picture-in-picture

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 ou… (funda kabanzi)

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.

Asked by 36m2jones 2 iminyaka edlule

Last reply by 36m2jones 2 iminyaka edlule

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Security Question regarding Extensions

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… (funda kabanzi)

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

Asked by avcalternative 2 iminyaka edlule

Last reply by FredMcD 2 iminyaka edlule

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Error code: SSL_ERROR_UNSUPPORTED_VERSION

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 erro… (funda kabanzi)

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.

Asked by donaldrshaffer 2 iminyaka edlule

Last reply by cor-el 2 iminyaka edlule

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In Firefox no download/upload popup window is appearing

I've been using firefox for so long, but now I'm having an issues where I'm not able to download anything. Whenever I click on either download or upload buttons, no windo… (funda kabanzi)

I've been using firefox for so long, but now I'm having an issues where I'm not able to download anything. Whenever I click on either download or upload buttons, no window popups. I tried Brave browser with same, but it crashes. This problem started on Firefox. Helps would be appreciated. (Sorry due to same issue I can't upload screenshot/video sample of the problem).

Asked by grvrawat999 2 iminyaka edlule

Last reply by Terry 1 unyaka odlule

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opt-out the saved passwords proposals

Hi, is there a config option to prevent the showing of user/pw proposals when opening a website for which user account data is saved? When i'm logging into a website wit… (funda kabanzi)

Hi,

is there a config option to prevent the showing of user/pw proposals when opening a website for which user account data is saved? When i'm logging into a website with already saved user data, i get account proposals (as ff saves the data "per domain", say if you have 3 accounts to one website, e.g. a test user, an administrator and a cms administrator, they are all presented where needed content may be...) see pict. I would like to opt out this behavior, as i have more than one website with 2 or more accounts.


-- cu

jth

Asked by jth 2 iminyaka edlule

Answered by cor-el 2 iminyaka edlule

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How to unbind Ctrl+K?

I was using Ctrl+K on some websites to do things like site-specific search, task bars, and so forth, but recently Firefox started capturing it for focusing on the search/… (funda kabanzi)

I was using Ctrl+K on some websites to do things like site-specific search, task bars, and so forth, but recently Firefox started capturing it for focusing on the search/address bar (https://support.mozilla.org/en-US/kb/keyboard-shortcuts-perform-firefox-tasks-quickly#w_search).

Is there a way to unbind `Ctrl+K` in Firefox?

Asked by astrojuanlu 2 iminyaka edlule

Answered by astrojuanlu 2 iminyaka edlule

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Firefox styles are broken, even for pages like about:config

The styles look astonishingly wrong, I really think it is a problem on my end, but cant figure out how to fix it, as you can see in the pictures, text is incorrectly size… (funda kabanzi)

The styles look astonishingly wrong, I really think it is a problem on my end, but cant figure out how to fix it, as you can see in the pictures, text is incorrectly sized and/or justified, color gradients are also weird looking, as well as sizing of many elements and tons of other things.

I have tried to completely remove Firefox from my system and reinstalling it, that did not seem to fix it. The reason I think is is a problem of mine is because i was playing with fonts (emojis weren't working on my system,not on Firefox tho, now they are in both)

I don't think the things i did with the fonts did anything to Firefox, since this problem only showed up on Firefox, but since the problem arrived just after a reboot while I was installing and removing the fonts, I think its important to mention.

To sum up I think the problem comes from my local configuration of Firefox, I probably did not delete it all before reinstalling, I am running (Arch btw) a current version of EndevourOS.

Asked by zark0 2 iminyaka edlule

Answered by cor-el 2 iminyaka edlule

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Cannot autofill Credit Card Info

Got sick and tired of having to enter payment card info every time, so I decided to RTFM and follow instructions. I worked my way thru all the instructions on found on t… (funda kabanzi)

Got sick and tired of having to enter payment card info every time, so I decided to RTFM and follow instructions. I worked my way thru all the instructions on found on the forum pages, and was entering the information via about:config, and got to the popup where I was asked to confirm, and clicked the button, then clicked it harder, but nothing happened.

My guess is that my Firefox and/or my Leap15.3 installation has left some file permission read-only and Firefox is unable to save this bit of data, but I really don't want to run Firefox as root. I can say more, but I see there are more boxes to fill.

So, I included a screenshot of what I hope will be the useful part of my config file.

Asked by The Singer Man 2 iminyaka edlule

Last reply by jonzn4SUSE 2 iminyaka edlule

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Sync Does NOT Work With Version 88.0 Ubuntu (Linux).. Original Version On Xtra-PC USB ThumbDrive Did !

Fix it so the FireFox browser Version 88.0 for Ubuntu (Linux) works AGAIN at saving website Login data using a Primary password via your 'FireFox Sync' advertisement (doc… (funda kabanzi)

Fix it so the FireFox browser Version 88.0 for Ubuntu (Linux) works AGAIN at saving website Login data using a Primary password via your 'FireFox Sync' advertisement (documentation).

Asked by nm4dgdcs 2 iminyaka edlule

Last reply by wedr19 1 unyaka odlule

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file downloads

The problem is : Some of the time FF just records 0 bytes file and says nothing. I suspect that FF inspect the URL of the links and discard ( perhaps for security … (funda kabanzi)

The problem is : Some of the time FF just records 0 bytes file and says nothing. I suspect that FF inspect the URL of the links and discard ( perhaps for security reason ) ones that do not begin with HTTP.

The bypass is : One has to copy the link and insert in in the new page of FF.

The solution would be to change FF code.

Thank you.

Asked by Le-Bilboquet 2 iminyaka edlule

Answered by Le-Bilboquet 2 iminyaka edlule

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new computer firefox install wipes custom home page on all devices

This has happened to me on 3 different computers. Today, I installed Modicia linux operating system on a new computer. Then, I installed Firefox browser. I logged in… (funda kabanzi)

This has happened to me on 3 different computers.

Today, I installed Modicia linux operating system on a new computer. Then, I installed Firefox browser. I logged into Firefox the normal way and all my book marks and passwords etc... were imported into the browser, but when I clicked the "Home" button, my customized home page was gone. There were just a couple buttons pre-configured to whatever the default thing is showing twitter and 2 or 3 other buttons, but not what I had spent 3 hours configuring on my other computers. This has only happened on a new install of Firefox.

When I went back to my old computer and started Firefox, they were all gone!!! All of them. How do I get them back without programming each individual button all over again? The picture shows what it looks like NOW. Before installing Firefox on this new computer, all 32 buttons on my home page were individually configured with URLs and custom icons. Walt

Asked by WalterRamjet 2 iminyaka edlule

Last reply by WalterRamjet 2 iminyaka edlule

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I am trying to watch Channel 4 dramas which have DRM and cannot adjust my Firefox to allow me to do so. I am unable to click on to this corner and that corner and get the necesary sites to lift DRM. I am 80 years and not an adept 18 year old!

See above on Subject = inability on my laptop with Firefox provider to watch certain dramas/films on 4 due to DRM. My problem is trying to follow the instructions hither… (funda kabanzi)

See above on Subject = inability on my laptop with Firefox provider to watch certain dramas/films on 4 due to DRM. My problem is trying to follow the instructions hitherto given. I just want to be able to access those sites with DRM overlordship getting in the way. I am an old man who is simple-minded, that is, not 18 years and adept at whizzing around laptops.

Asked by greerhart42 2 iminyaka edlule

Last reply by James 2 iminyaka edlule

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How do I get my home page in Firefox on all my tabs?

Now on Firefox 100.0.1 On earlier versions of Firefox I was able to set a particular url for my home(opening) page. That is still true. However, on past versions I was … (funda kabanzi)

Now on Firefox 100.0.1 On earlier versions of Firefox I was able to set a particular url for my home(opening) page. That is still true. However, on past versions I was also able to make *my home page* appear on every tab I opened. On the current edition I get a choice of only Firefox Home Page (default) or Blank page. I cannot get my home page on the new tab. How can I bypass the restrictions of the settings under Home to get my home page on every tab?

That the question I need an answer to. Everything below this is explanation of why I want this and a complaint about how Firefox changes things that I would appreciate being passed on to the developers.

                                                                    <---------------------->

If I choose Firefox Home Page (default), I am *forced* to use the address box to put in my search terms. I have become accustomed to the various search engines with their splash screens - with the nice big search box in the middle of the screen (both horizontally and vertically). It is absolutely unnerving to me to try to type in the box in the middle and have nothing show up there but up above in the address box.

I am a project person in a multi-tasking world, which means whether I like it or not, I have to multitask too. For me to do this successfully, all my tools need to be where I expect and perform as I expect them. Even putting duckduckgo.com in the current home page/new window setting, doesn't get the duckduckgo splash page, but even though I'm not that technically advanced, I found a way of getting it in my home page window. However, the tabs section doesn't offer me an opportunity to put my own choice in.

I wish Firefox would stop tinkering with otherwise minor things. I understand fixing found vulnerabilities. I understand providing new services and technology when they're developed. But why force people to use search and tabs the way Firefox wants them to rather than the way the user is accustomed to.

Asked by bdjim 2 iminyaka edlule

Answered by FredMcD 2 iminyaka edlule

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start up popup unwanted

Hi, Could someone tells me how to deactivate the startup popup upon each firefox start which says (translated) "thanks this is 100th version of firefox, start navigation"… (funda kabanzi)

Hi, Could someone tells me how to deactivate the startup popup upon each firefox start which says (translated) "thanks this is 100th version of firefox, start navigation", or is it to stay until the 1000th annniversary ? Thanks

Asked by web55 2 iminyaka edlule

Answered by cor-el 2 iminyaka edlule