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Prevent websites from opening new tabs

I just reinstalled my operative system, and with that my Firefox settings got reset. I know there is an entry in about:config to prevent ads from opening new tabs and pop… (read more)

I just reinstalled my operative system, and with that my Firefox settings got reset. I know there is an entry in about:config to prevent ads from opening new tabs and pop ups without authorization, even from legit websites like the login pop-up windows when doing a sign in in Google, in those cases to allow the windows it's needed to click on the lock icon next to the URL bar and allow it from there. The problem is that I don't remember the name of that setting and I have spend an hour looking for it on Google.

Asked by ttfh3500 1 year ago

Answered by ttfh3500 1 year ago

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Firefox not asking where to download files

I have always had my browser set to ask me where to save anything I'm downloading, as you can see by the attached screenshot. However, every single file I have downloaded… (read more)

I have always had my browser set to ask me where to save anything I'm downloading, as you can see by the attached screenshot. However, every single file I have downloaded for the past 2-3 days has first gone into my Downloads folder instead, forcing me to re-download the file in order to get it into the correct folder. If this was for personal usage, I wouldn't care, but having to continually download business files is getting old very very quickly. Firefox has been my default browser for the better part of two decades. I really don't want to switch to Chrome or Safari just because Firefox won't let a power user customize their usage experience.

Asked by cmjross1 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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All of a sudden, I cant print my emails from my gmail account.

Using Firefox and accessing my gmail account. A notice comes up saying "A pop up blocker may be preventing the application from printing the page. If you have a popup blo… (read more)

Using Firefox and accessing my gmail account. A notice comes up saying "A pop up blocker may be preventing the application from printing the page. If you have a popup blocker, try disabling it to open the window". I have no idea how to find what this pop up blocker is so I can disable it.

Asked by marie on firefox 2 years ago

Answered by jscher2000 - Support Volunteer 2 years ago

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Firefox not restoring previous tabs even though "Restore Previous Session" is selected

I run FF on both a Windows machine and a MacBook Pro. On the MBP the browser does not save my tabs, despite "restore previous session" being selected. I do not have this … (read more)

I run FF on both a Windows machine and a MacBook Pro. On the MBP the browser does not save my tabs, despite "restore previous session" being selected. I do not have this problem on the Windows machine.

I have tried uninstalling and reinstalling the browser but it has not made a difference.

I'm running the latest version of the browser and the OS is Big Sur.

Asked by peterjahn1979 1 year ago

Answered by cor-el 1 year ago

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Google Meet on Firefox

I need to use Google Meet for a professional purpose. When I use is from the Chrome browser, I can present a specific tab on my desktop; however, I prefer to use Firefox… (read more)

I need to use Google Meet for a professional purpose. When I use is from the Chrome browser, I can present a specific tab on my desktop; however, I prefer to use Firefox as my default Browser. The problem is, when I use Meet on Firefox, the presentation options don't include sharing a tab. Is there a way to fix this, or do I just need to use Chrome when meeting?

Thank you.

Asked by annegraham9 1 year ago

Answered by jonzn4SUSE 1 year ago

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Update to Windows 11 broke Firefox?

Firefox has been awesome. But, my computer just updated to windows 11 and now it doesn't work. Sometimes I try to open the browser and nothing happens (but I somehow end … (read more)

Firefox has been awesome. But, my computer just updated to windows 11 and now it doesn't work. Sometimes I try to open the browser and nothing happens (but I somehow end up with something like 7 instances of it running in the background, according to task manager), sometimes I get it to open, but it won't load my homepage or anything, and sometimes it seems to work fine but only for a little while - then it just stops responding.

I have no idea why this is happening or how to fix it. I tried the browser reset, which helped for a little bit but then the problems came back. I think having a theme installed makes it worse, but now I can't even get settings to open so I can try turning it off to see if that helps.

Any ideas? Not being able to use the internet on my computer is a pretty big deal. I'd prefer to not switch browsers, but I don't know what other option I've got at the moment.

Thanks!

Asked by eosmialo 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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Firefox wont load pages, Get VCRUNTIME140_1.dll Not Found Errors

I got a new Lenovo Laptop and cant get Firefox to load a webpage. Here's what happens and what I've done 1. I install Firefox and during install get error below, VCRUNTI… (read more)

I got a new Lenovo Laptop and cant get Firefox to load a webpage. Here's what happens and what I've done 1. I install Firefox and during install get error below, VCRUNTIME140_1.dll Not Found. I then click OK and Firefox Installs but when I load it no webpages will come up just a black screen no indications it is even trying to load the page, no error message. It does nothing. Cant even open Google.com 2. I looked in MS forums and they say to install Visual C++. Did every x86 and X64 version I could find. Still have the problem even after uninstalling Firefox and reboot. 3 Have McAfee, and took Firefox off the Safe list then put it back on. 4. Went to try and find the file but can't on a reputable website. So I looked for this file on my Dell Laptop and Asus Desktop. Both have Firefox installed and it works fine. Get this, NONE of my other two computers have that exact file name anywhere. VCRUNTIME140_1.DLL! They have 140.DLL and a few other 140.dll with different variation but no 140_1.dll? So how does Firefox run on 2 other computers without this DLL but not on this new one? They are all Windows 10 Would appreciate any help. Seems to be a Firefox or Lenovo Issue just not sure. If anyone know how to get the DLL from MS let me know.

Asked by Mark M 1 year ago

Answered by cor-el 1 year ago

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Disable download panel automatically opening?

My job requires me to download and open files in new tabs consistently. However, when I download these files, I don't want the download panel to obscure my vision. Can I … (read more)

My job requires me to download and open files in new tabs consistently. However, when I download these files, I don't want the download panel to obscure my vision. Can I disable it?

Asked by thetitansilva 1 year ago

Answered by TyDraniu 1 year ago

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How, or can, I stop the download manager from opening up automatically?

I'm a little surprised they've taken away the option of choice when it comes to downloading files. But what's most annoying, is the manager opens u and drops down blockin… (read more)

I'm a little surprised they've taken away the option of choice when it comes to downloading files. But what's most annoying, is the manager opens u and drops down blocking my view of the page, much less that it makes ms stop and think about what I am about to download.

I do not understand the purpose of this. The old way was safer, cleaner and less annoying. How can, or am I able to get that "choice" back?

When searching for a fix I have seen that that there is/was a similar feature in the Edge browser but it can be undone. I feel Firefox users deserve that option.

Thank you.

Thank you.

Asked by springheel 1 year ago

Answered by cor-el 1 year ago

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VCRUNTIME140_1.dll not found

Following a Windows 10 update, I tried to open Firefox and the following popup message appeared. "the code execution cannot proceed because VCRUNTIME140_1.dll was not fou… (read more)

Following a Windows 10 update, I tried to open Firefox and the following popup message appeared. "the code execution cannot proceed because VCRUNTIME140_1.dll was not found. Reinstalling the program may fix this problem." I have tried several times to download the latest version of Firefox, but during it's installation the same error message appears. How can I fix this problem and get Firefox to work normally.

Asked by dkirk1 1 year ago

Answered by FredMcD 1 year ago

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How to stop firefox from forcing a new tab for "new" web pages?

Apologies if this is a bit limited, during typing it I ran into the issue I'm about to describe which navigated me away from this page and lost all the progress of my pos… (read more)

Apologies if this is a bit limited, during typing it I ran into the issue I'm about to describe which navigated me away from this page and lost all the progress of my post as I was wrapping up :')

The issue I'm having right now is Firefox forcibly opening pages it thinks are a new site in new tabs, despite the site itself not requesting new tabs or windows. Specifically this is happening with sites between different "iterations" of itself while still being the same and having fully integrated layouts and UI.

For example: Most pages on the site have an update "https://www1" prefix, but some pages have the old "https://" only. Firefox keeps opening new tabs when navigating between these different pages despite them being the same website. I know the pages themselves are not sending new tab requests because this doesn't happen in Chrome.

So far, my "solution" has been to go through about:config to adjust the browser.link.open_newwindow value to 1 instead of 3, which forces all links to stay within the same window. This unfortunately causes a whole host of other issues though.

Because its an override, it also means any links opened from an external program (like discord) forcibly open in the last active tab, navigating away from the page. This is obnoxious and annoying in and of itself because it means to save the tabs I already have open I need to manually open a new tab in FF before clicking any link, which I never remember to do. (Goodbye post progress (': )

If that weren't bad enough, when trying to hit the back button to get to the previous page FF ends up in some sort of weird redirection loop "between" pages, where the last page will disappear but FF won't navigate to the link it was trying to open either, so its just a blank infinitely loading page with the URL of the link that was opened. The only way to stop this from happening is to navigate back 2 pages, losing the current page, before it starts the redirect loop. If the loop starts before this happens, the tab locks up and needs to be hard-refreshed with f5 or completely closed due to the weird lag it causes.

Literally all I want Firefox to do here is not assume a new tab needs to be opened just because the URL "seems" different to it. Is there ANY way to get this behavior?

Asked by 7 1 year ago

Answered by jscher2000 - Support Volunteer 1 year ago

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XULRunner Error "91.2.0 not compatible with min > = 91.0, max < = 91.0

Firefox updated. After updating, whenever I try and load Firefox, I receive the following error message: "XULRunner "Error: Platform version '91.0.2' is not compatible … (read more)

Firefox updated. After updating, whenever I try and load Firefox, I receive the following error message:

"XULRunner

"Error: Platform version '91.0.2' is not compatible with "minVersion > = 91.0 "maxVersion < = 91.0"

I click, "OK" to confirm... and Firefox closes. When I try to update Firefox once more, I receive no response from teh System. When I try to load MaintanceService, I receive no response. What's teh deal here. Any answers?

Asked by chudbabies 1 year ago

Answered by cor-el 1 year ago

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Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT

Did Not Connect: Potential Security Issue Firefox detected a potential security threat and did not continue to www.nextechclassifieds.com because this website requires a… (read more)

Did Not Connect: Potential Security Issue

Firefox detected a potential security threat and did not continue to www.nextechclassifieds.com because this website requires a secure connection. www.nextechclassifieds.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site. www.nextechclassifieds.com uses an invalid security certificate.

The certificate is not trusted because it is self-signed.
Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT

This is a trusted website, been using it for years without issue. Used it a few hours ago to check my account. Only problem is on my pc, all other devices including people I've asked, do not have this issue. Seems to be a problem with the firefox browser only.

Asked by TundraWolf42 1 year ago

Answered by cor-el 1 year ago

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Left Swipe/Previous Page - Can I disable?

I find when I am browsing on Firefox and swipe down on my Macbook trackpad, the browser often interprets even a slightly leftward slant as a command to go back a page. I… (read more)

I find when I am browsing on Firefox and swipe down on my Macbook trackpad, the browser often interprets even a slightly leftward slant as a command to go back a page. Is there a way to disable the swipe left/previous page function or to make it less sensitive?

Firefox 94.0.2 on Macbook Air 13-inch Early 2015 with MacOS 11.6.1

Thanks!

Asked by doug.earl.mail 1 year ago

Answered by cor-el 1 year ago

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Hide Tab bar if there is only one tab

Hello! I have been using this userChrome.css code to hide the tab bar if there is only one tab (on Windows): tab:only-of-type, tab:only-of-type + #tabs-newtab-button { … (read more)

Hello!

I have been using this userChrome.css code to hide the tab bar if there is only one tab (on Windows):

tab:only-of-type, tab:only-of-type + #tabs-newtab-button {

   display: none !important;

}

#tabbrowser-tabs, #tabbrowser-arrowscrollbox, #tabbrowser-tabs > .tabbrowser-arrowscrollbox {
   min-height: 0 !important;

}

Since one of the recent Firefox updates, this code does no longer work. Maybe because there is a new element in the tab bar: A drop-down list at the right.

Any idea how to make the above code work again?

Peter

Asked by peter596 7 months ago

Answered by cor-el 3 months ago

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Where did Page Setup / Margins & Header/Footer go?

I'm using Firefox 85.0.2 . . . I was doing this (below), to customize my header and footer, but in this version of FF, I no longer see this in Options - only in: about:c… (read more)

I'm using Firefox 85.0.2 . . . I was doing this (below), to customize my header and footer, but in this version of FF, I no longer see this in Options - only in: about:config . . . keyword "footer" . . . there, I would have to change it for 5 different ways of printing (to printers or to PDF)

I need to get rid of printing the URL in the footer - many times, it's too long, and I don't need it.

Where did the Page Setup option go?

I see in the current Print Options, you have to go to - More Settings / Margin / Custom - to see those. Why would they put this so many levels down?

It used to be: File / Page Setup / Margins & Header/Footer . . . "Customize" Headers & Footers:

Option 1 (left) . . . there are two leading spaces:

 > > &T
 > > &U . . . &D . . . &PT

Option 2 (left) . . . get rid of the ">"s, and just have the two leading spaces:

 &T
 &U . . . &D . . . &PT

Asked by sludge7051-x 2 years ago

Answered by jscher2000 - Support Volunteer 2 years ago

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set "print with system dialog" as default

dear ladies and gentlemen, Firefox has been delivered with the new print dialog since version 82. I have to print around a hundred PDF files at work (usually only the f… (read more)

dear ladies and gentlemen,

Firefox has been delivered with the new print dialog since version 82.

I have to print around a hundred PDF files at work (usually only the first page of the document). The new print dialog means that there is a lot more work for me here.

Is it possible to set the "old" system print dialog by default or to instruct firefox to always print only the first page of the document by default?

Asked by Bruce Wayne 2 years ago

Answered by cor-el 2 years ago

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Edit "always open" settings for containers

How can I get a list of all the sites that are set to "always open" in a specific container? For example, I want to see a list of all the sites set to always open in the … (read more)

How can I get a list of all the sites that are set to "always open" in a specific container? For example, I want to see a list of all the sites set to always open in the Work container. I would also like to edit the list without needing to manually visit each site.

Asked by Chris Shaffer 2 years ago

Answered by Adivardhan 2 years ago