Showing questions tagged: اعرض كل الأسئلة
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Lost closed browser window (probs. History problem)

Hi. I love Firefox specifically because it lets me use Ctrl+Shift+N, i.e. reopen a closed window. I have this one window with several pinned tabs (Facebook etc.) and a fe… (read more)

Hi.

I love Firefox specifically because it lets me use Ctrl+Shift+N, i.e. reopen a closed window. I have this one window with several pinned tabs (Facebook etc.) and a few other open tabs (some reseach, YouTube etc.) where I keep things that I need to return to. I essentially NEVER close this window without reopening it, because it has the most important things I need. Sometimes I open a second/third window to work in (I had an online exam the other day, so I opened that and my materials in a separate window, so I can cycle through them more easily).

When I open this second window, sometimes I close my main window (it has quite a few tabs so it slows Firefox down). I then always reopen it using Ctrl+Shift+N and never had a problem. Well, I closed it now (then opened one or two other new windows), but when I wanted to reopen my main window back up, it just refused to. It's gone from "recently closed windows". Interestingly enough, at least two other windows I closed BEFORE it (one from yesterday, that I did unrelated googling in; the other was closed a couple minutes before the main window, it was an emoticon set that pops up from one forum) were possible to reopen, but not my main window. Now I can reopen just 3 windows, and I don't understand where they are (there used to be up to ~10 or so).

I want to know why I was able to reopen windows I closed long ago, but not the most recent one, and whether there is a way to fix this and get the main window back. I have effectively lost ~40 tabs that I had open (some research articles, pinned social media, some stuff I wanted to read etc.) that I can't even reopen unless I find them through my History (and hoo boy, that'd take a while).

Thanks for any info. Have a nice day.


SOLVED - EDIT: The amount of windows that can be reopened can be fixed as mentioned below. Lost window probably cannot be restored, sadly. EDIT 2: Actually it can be restored! See the answer to find out how. Both these lovely people gave me answers to my questions, kudos to both of them.

Asked by janmichaelkormanik 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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How to add image to my firefox home page / newtab page?

I am trying to add my own background to the home page but cannot find any way to do it. There must be an option for something so simple somewhere, but I cannot find it. I… (read more)

I am trying to add my own background to the home page but cannot find any way to do it. There must be an option for something so simple somewhere, but I cannot find it. I do not want to install an add-on for this as I am not comfortable handing out my personal info to some random guy or group to accomplish something so simple. Thanks.

Asked by me 1 year ago

Answered by cor-el 1 year ago

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Why are bookmark folders grey? And how to change them yellow.

I no nothing about programing but, there must a file somewhere that is telling these folders that they are grey. Is there not an easy way to change them to a different co… (read more)

I no nothing about programing but, there must a file somewhere that is telling these folders that they are grey. Is there not an easy way to change them to a different colour/color.

Asked by Tony 1 year ago

Answered by McCoy 1 year ago

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Is widevine Content Decryption Module (CDM) addon not available for firefox on raspberry pi 4?

I recently installed some linux distributions on the raspberry pi 4 including firefox. In contrast to the same os/firefox combination running on my (10 years old) laptop … (read more)

I recently installed some linux distributions on the raspberry pi 4 including firefox. In contrast to the same os/firefox combination running on my (10 years old) laptop pc, no widevine Content Decryption Module (CDM) addon seems to be available. This means starting of videos from respective sources after proper login does not take place. (I am sorry for the English)

Asked by Carsten 2 years ago

Answered by cor-el 2 years ago

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Can't access Wikipedia (and some other sites): “Secure Connection Failed”

Hello, everyone. My Firefox (v76.0.1, Windows 10 Pro 1909) can't access the English Wikipedia (en.wikipedia.org) and some other sites I need to work with. This started ha… (read more)

Hello, everyone. My Firefox (v76.0.1, Windows 10 Pro 1909) can't access the English Wikipedia (en.wikipedia.org) and some other sites I need to work with. This started happening suddenly Tuesday night.

This is the error (in English, since my Firefox is in Brazilian Portuguese):

Secure Connection Failed

An error occurred during a connection to en.wikipedia.org. PR_END_OF_FILE_ERROR

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.

upload.wikimedia.org gives me the same error. The bizarre thing is that Wikipedias in other languages seem to work normally. Other browsers work fine.

Searching it online, it doesn't seem to be a common problem, and it just started happening by itself. I don't remember installing anything on this PC that day. My only antivirus is Windows Defender. I don't use any VPNs.

Tried all solutions I could find on Google. So far I did:

  • Ctrl + F5
  • Edited the hosts file
  • Deleted cert8.db
  • Changed network proxy settings to No proxy and Automatically detect proxy configuration (was in Use system settings)
  • Toggled DNS over HTTPS
  • Went in about:config and toggled network.dns.disableIPv6
  • Started Firefox in Safe Mode
  • Backed up the profile folder and just let Firefox create a new one
  • Rebooted my router

None of that worked.

I work with site builder platforms and since yesterday the error is starting to creep up in those servers, too.

Any ideas? I just noticed that Wikipedia search is gone from the list of opensearch engines also… This is getting increasingly bizarre…

Asked by El Buga 1 year ago

Answered by El Buga 1 year ago

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Firefox overlaps part of the Taskbar when in fullscreen

When I switch my Firefox to fullscreen it overlaps onto the taskbar (as you see in the picture I attached below) Can someone help me fix this? Turning on the Titlebar fix… (read more)

When I switch my Firefox to fullscreen it overlaps onto the taskbar (as you see in the picture I attached below) Can someone help me fix this? Turning on the Titlebar fixes this but I don't want the Titlebar to be on. This is a seriously big and annoying issue. I have tried reinstalling and refreshing my browser and even disabling windows color from being applied to the taskbar but it doesn't help. Its as if Firefox has an extra piece to it in fullscreen. If I click on the taskbar it overlaps back onto Firefox but then if I open start (as you can see in the second picture) that extra piece of Firefox is still there.

Asked by withering_nightmare 1 year ago

Answered by Raushani Singh 1 year ago

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Firefox has serious problems in Mac OS

Version 76 has serious problems in Mac Mojave and Catalina. I'm thinking of moving to another browser if the problems aren't fixed in a few weeks. In Mac Mojave, the UI s… (read more)

Version 76 has serious problems in Mac Mojave and Catalina. I'm thinking of moving to another browser if the problems aren't fixed in a few weeks. In Mac Mojave, the UI sometimes blinks and sometimes becomes black. I had to restart the app but it happened quite frequently. After updating to Catalina, all shortcuts are unusable, most right click menus are blank and even the menu bar is blank. When hovering the mouse over the menu bar, nothing displays, just blank menus. Sometimes, the app starts up with default UI although I customised it a bit. In those cases, I had to close the tab or even restart the app.

I'm getting disappointed and perhaps I'll move to another browser soon.

Asked by Penta-Power 1 year ago

Answered by FredMcD 1 year ago

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What is the "new helper tool" that FF 77 wants to install

I am restarting FF. I am on 76 and the install is for 77. A window pops up asking for my credentials to install a new helper tool. I don't recall seeing this before and… (read more)

I am restarting FF. I am on 76 and the install is for 77. A window pops up asking for my credentials to install a new helper tool. I don't recall seeing this before and it looks a lot like Oracle's Java installer that tries to install a bunch of crud. In that case cancel continues with the Java install. In this case, Cancel stops the FF upgrade.

What is this tool and why is it not described better to know have a better guess as to whether it is safe to install?

Asked by harry.levinson 1 year ago

Answered by harry.levinson 1 year ago

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Side Panel for Web Browsing

Hello! I'm a new user to Firefox switching from Google Chrome. I'm looking for some type of extension or something that will allow me to view websites in a side panel. Pa… (read more)

Hello! I'm a new user to Firefox switching from Google Chrome.

I'm looking for some type of extension or something that will allow me to view websites in a side panel.

Page to Popup extension is okay, but I'd like to be able to have multiple websites I can just click on to see the brief view in the web panel.

Any help would be greatly appreciated!

Asked by Pokemonsaywut 1 year ago

Answered by McCoy 1 year ago

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Why can't I download PDF files anymore when Firefox opens them?

I used to be able to open a .pdf file when surfing with Firefox. But now a very strange thing happened, Firefox still opens those files as usual but when I click on the d… (read more)

I used to be able to open a .pdf file when surfing with Firefox. But now a very strange thing happened, Firefox still opens those files as usual but when I click on the download arrow, Firefox no longer downloads the pdf file... Nothing happens. I tried pressing print to pdf and that works. But takes much longer compared to just downloading, I would very much appreciate your help if we could fix this issue.

I didn't install any recent new addons or anything.

About Firefox says 76.0.1 (64-bit)

Asked by dw.lavabit 1 year ago

Answered by TyDraniu 1 year ago

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Firefox 76.0.1 not playing embedded Twitter videos

On the entertainment media site Buzzfeed, clicking on a post of an embedded Twitter video gives me a blank white image. No error message like "Unable to play the file". I… (read more)

On the entertainment media site Buzzfeed, clicking on a post of an embedded Twitter video gives me a blank white image. No error message like "Unable to play the file". I did a clear history, cache & cookies and refreshed Firefox. I ran the apt update for Ubunto. It had been operating smoothly in the past. If I go to Twitter, it plays. It just goes blank when I click on the video embedded in the post.

Thank you for any assistance.

Asked by varices 2 years ago

Answered by varices 1 year ago

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How Do I Change The URL Bar Text Color?

I'm on FF 76.0.1 The text color of the locations in the URL bar is a mix of black and grey ... black for the website and grey for everything else. All I wanna do is chang… (read more)

I'm on FF 76.0.1

The text color of the locations in the URL bar is a mix of black and grey ... black for the website and grey for everything else. All I wanna do is change all of the text to black. How can I do this? I just need the code to plug into my userChrome.css file.

KenB67

Asked by KenB67 1 year ago

Answered by cor-el 1 year ago

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Custom hotkeys.

I've just switched to Firefox from Chrome and need to change some of the hotkeys to a more familiar setup. Also, another annoying thing I noticed, `cmd+b` opens up the Bo… (read more)

I've just switched to Firefox from Chrome and need to change some of the hotkeys to a more familiar setup.

Also, another annoying thing I noticed, `cmd+b` opens up the Bookmarks sidebar, rather than bolden the text on a WYSIWYG editor on websites (i've installed FF v76.0.1 (64-bit) on MacOS).

Asked by pr11 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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A known bug? target="_blank" and window.close() do no longer work together since Firefox 72

Assume you create a new window (pop-up) using javascript and have its content be something like this: <html> <body> <form action="some_action.php" targe… (read more)

Assume you create a new window (pop-up) using javascript and have its content be something like this:

<html>
<body>
  <form action="some_action.php" target="_blank"> 
     ... some form fields ... 

     <button onclick="window.close()">
        submit in new tab & close pop-up
     </button>
  </form> 

  <a href="some_page.php" target="_blank" onclick="window.close()">
     open link in new tab & close pop-up 
  </a>
</body>
</html>


If you click the button "submit in new tab & close pop-up" the following should happen:

  1. Firefox submits the form in a new tab (because target="_blank" is set in the <form>)
  2. The pop-up closes itself (because onclick="window.close()" is set)

And if you click the link "open link in new tab & close pop-up" the following should happen:

  1. Firefox opens the link in a new tab (because target="_blank" is set in the <a>)
  2. The pop-up closes itself (because onclick="window.close()" is set)

However, what happens instead is this:

  1. Firefox only opens an empty tab, i.e. the submission of the form / the opening of the link fails
  2. The pop-up closes itself

This clearly seems to be a bug, right? Is this a known problem? I tested it with older versions and the problem apparently was introduced relatively recently with Firefox 72. More precisely, the form submission bug was introduced with Firefox 72 Beta 1 and the link opening bug was introduced with Firefox 72 Beta 7.

In Chrome and Internet Explorer both cases work as expected.

Asked by Maximilian 1 year ago

Answered by Maximilian 1 year ago

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Top Sites Section in Home Page disappeared. HOw can I get it back?

I wanted to delete one item from the Top Sites section of my Home Page on Firefox, but instead I removed the entire row. How can I get it back? Thank you for any hep yo… (read more)

I wanted to delete one item from the Top Sites section of my Home Page on Firefox, but instead I removed the entire row. How can I get it back?

Thank you for any hep you might be able to provide.

Asked by AnthonyMalina 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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Don't want to jump to new tab on context search or right click

When I right click on a link and choose "open in new tab" or highlight text and do a search from the context menu, can I set my preferences or about:config so that browse… (read more)

When I right click on a link and choose "open in new tab" or highlight text and do a search from the context menu, can I set my preferences or about:config so that browser does not jump to the new tab immediately? In other words, I want to stay on the page I'm on and have the new link tab load in the background. I hope I have explained this adequately. Thanks.

Asked by pursuit81 1 year ago

Answered by McCoy 1 year ago

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Prevent new window from hiding addons in toolbar

Recently, when a popup window appears, the toolbar doesn't have buttons for any of my addons. In about:config, I'd intentionally set dom.disable_window_open_feature.toolb… (read more)

Recently, when a popup window appears, the toolbar doesn't have buttons for any of my addons.

In about:config, I'd intentionally set dom.disable_window_open_feature.toolbar to true (following the solution provided in: question 1206512).

Previously, this was successful in ensuring that popup windows got the full toolbar, but now it has stopped working.

I'm not sure exactly which release this started with.

Steps to reproduce:

1) Set dom.disable_window_open_feature.toolbar to true.

2) Visit https://jeffersonscher.com/res/popit.html and follow the third link.

3) The window that pops up has no toolbar icons for the installed extensions.

Asked by pg_78 2 years ago

Answered by jscher2000 - Support Volunteer 2 years ago