Firefox

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Mozilla Firefox is a free and open-source web browser developed by Mozilla Foundation. It is available for use on Windows, macOS, Linux, and BSD operating systems.

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After updating Firefox  cannot access my vcenter page. However it works on IE. Any help will be appreciated.FFCapture.JPG
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Rowby Goren Makes an Impact on Screen and Online
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Rowby Goren Makes an Impact on Screen and Online

Learn about longtime user Rowby Goren and his great contributions to the site. We explore his method for posing questions that are likely to yield a solution, and take a look at how his career transformed from a Hollywood writer to a website entrepreneur.

Hi, i have just installed Ubuntu Server 16 and i have installed firefox, my aim would be to have firefox launch automatically when machine starts up on a web address https://www.iradio.ie
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Hi,
  Just installed latest and the greatest Chrome and Firefox on our test Mac workstation.
Both the Safari and the Chrome browsers can access external sites (e.g. Google.com, espn.com) just fine, but the Firefox browser keeps showing the following error when accessing external sites (screenshot attached).

  Under Firefox’s Options-> General -> Network Settings:
    I’ve tried manually entering the Proxy server setting as well as selecting the “Use System proxy settings
     The Test Mac never had Chrome or Firefox installed prior to today.

Any assistance is greatly appreciated .
firefox10-7-19.jpg
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I have an old Presario V6000 running Win XP.  For some time now I haven't been able to play "certain" videos such as video clips from Fox News and some videos from youTube.  Most of the time I get an Error 4 message. I just upgraded Firefox but their message said it no longer supported my system.  So, bottom line is; I can play most you tube videos but not others.  Shoud I try to fix the error 4 message or junk this laptop?
Thanks
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Since a few days, the JS debugger in Firefox (68.0.1) doesn't open JS files correctly. Instead, some HTML is displayed. The JS files do not have a file extension at all, yet the Content-Type header correctly contains application/x-javascript. Other files with js extension do show up with a JS icon in front of them.

Is this a recent change? What can I do to make those files show up correctly in the debugger? Or is it a new "feature"?

The application I use is built in XPages, so there might also be some setting there that used to create files with the .js extension, but I'm not sure of that.

I can confirm that xcsDocument definitely contains JS, and that Firefox has no problems in using it. No JS errors displayed, no HTML errors, nothing significant on the Console tab.

Thanks for your help!

Firefox dev tools no longer displays JS files without .js extension
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I'm looking for a way to effectively prevent add-on installs for Mozilla Firefox using Group Policy.  The two settings I've found (Computer Config/Administrative Templates/Mozilla/Firefox/Addons) are Allowed Sites and Allow add-on installs from websites.  If I configure the 'Allow add-on installs from websites' it blocks any add-on install, however I need to be able to specify certain add-ons that are allowed.  It doesn't seem to matter what I put in the 'Allowed Sites' GPO, if the 'Allow add-on installs from websites' is set to disabled.

Anyone had any luck with preventing add-on installs in Firefox, while still allowing a specified few?  The Chrome GPO templates make this super easy to manage.  Just wish Firefox was the same way.  I appreciate any help you can provide.  Thank you.
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WIn10:
Hi,
I just installed FireFox on my Win10 machine.  At one point,, it took me to this screen, recommending I connect another device to FireFox.
FireFox SignInCan I safely use FireFox if I don't have a second device to connect to FireFox? Or, can I "fake" it by connect my phone (which does not have FF installed) or from Chrome Incognito?

And, how would I "connect" to FireFox from another device?

Thanks.
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We are taking the some computer that were part of one domain and now have joined them to a new domain. I have some users that can have bookmarks /favorites in different browsers including Firebox, IE, Chrome.  Now that they are on the new domain , they can log into the old profile and export the bookmarks or favorites. Never the less, the old profile data is there. Anyway to copy this data to the new profile. Internet Explorer is easy as I have simply copied the favorites folder and then  past in same location in the new profile , but I did not figure out firefox and chrome  . These are mostly Windows 7 . Thank you,
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I have an SSL on my website.
I have "code signed" my exe.

Chrome and FireFox both warn that my exe "is not commonly downloaded and may be dangerous"

Is there a solution to this? Does this mean that after a few million people ignore this a download it that the message will go away?
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How do I make FireFox my default browser in Visual Studio Code? All of the links I've found are either too complicated/involved or the setting through the settings menu option doesn't exist or I can't find it. I'm including a pic of the version information for the version that I'm using. Thanks.Visual Studio Code version info.
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Hi Experts,

I came across an issue with javascript when I use browser in my case either chrome firefox. When I perform the http request with node.js, I get this warning/error as in cross browser compatibility as in cross-browser domain issue (COR). I am wondering how can I resolve it? Thanks
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Using Firefox I still get asked for username and password after saving username and password when trying to access local SSRS reports. I can see the credentials on the passwords and security section. I am running the latest version of Firefox and we do have an SSL certificate.
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Hi,

I was customising a banner on my client's homepage around a week ago, very basic additional CSS on a qode wordpress theme to get the banner looking the way I wanted, achieved that, saved my work and closed my laptop down.

When I got home a short while later, I visited her site on Firefox and the homepage was a mess! Her logo was gone and the theme logo was in its place, the buttons on her homepage had lost all their styling, the banner I was impressed with looked awful and not like the final version I saved, the footer columns widget content had all shifted out of alignment to the left as well as various other styling issues.

I know this is clearly CSS related but error logs are referencing PHP issues, nothing mentioned about CSS and PHP is something I know absolutely nothing about. I've copied and pasted some of the errors and spent some time trying to figure out what they mean but her site has been like this for too long now for me to learn enough PHP to understand these errors and determine whether they could be related to my issue.

Out of desperation, I deleted my theme and reinstalled as I had similar issues following a major update recently and hoped following those steps might solve the problem this time, but no luck.

If anyone has the time and understanding of PHP to scan through my error codes and tell me whether or not this could be related to the problems I've had I would be extremely grateful...

The PHP version is: 5.6.30, Wordpress 5.1.1, …
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Been fighting an issue that occurs at a client site. Using IE 11 the websites load quickly (they are on fiber 100 meg up/down), however when they login to the site it can be from 45 seconds to 3 minutes before the site comes up. Using Chrome it only takes about 20 seconds to login. I tried Firefox to see what it was like and it took 3-5 minutes.
I tried the sites from our office and IE took from 1 to 1 1/2 minutes to load, but 20 seconds with Chrome.
They have Windows 7 and Windows 10 PC's and it acts the same on all. When they first contacted me I jumped to the conclusion that it was DNS without asking enough questions to discover it occurred on only 4 sites and they were ones they log into for their dealers.

Looking for any guidance from experts.

And yes I would tell them to use Chrome, but they refuse to use anything but IE
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Due to the concerns about the Momo Challenge kids will search for on YouTube I need to block these sites and searches in our school network. I see how to block them in Internet Explorer using Group Policy but that seems to be specific to IE. How can I block them from Firefox and Google Chrome?

We use Windows Server 2008R2 and a combination of Windows 7 and Windows 10 client computers.

Thank you.

Robert
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As my current PC is out  of usage, I use my portable PC
I have a Delphi application accessing (embedded) a Firebird database
I have installed SQL Manager Lite for Interbase & Firebird to be able to easily look at tables, data etc...
Now I configure that tool and can open the database
When I select a table, it shows its structure
But if I double-clic on a table, it is suppose to show the data on the right panel
Instead, it issues several times the same error SQL Code -901 IB Error Number 335544563, Service Display User is not defined
What did I miss there ?
Thanks
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For example:
In a system, I have Google Chrome and Firefox,  and I have website abc.com.
How to identify from the which application(Google Chrome and Firefox) the website has been viewed.
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Hi Experts,

One of my customers is encountering the following error when accessing our site, https://pavement-science.com.au:

This page can't be displayed
Turn on TLS 1.0. TLS 1.1, and TLS 1.2 in Advanced settings and try connecting to https://pavement-science.com.au again. If this error persists, it is possible that this site uses an unsupported protocol or cipher suite such as RC4 Link for the details), which is not considered secure. Please contact your site administrator.

He gets this error using Chrome and Firefox, but not with IE or Edge.

Regards,
Leigh
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Hi Team,

I am trying to implement the selenium headless browser test using the phantom js.
Here am able to connect to the endpoint and able to fill the login details but getting the error message after clicking on the submit button.
Error Message:- This part of the site is not reachable.

Am able to do the above operation using the firefox driver and all other web drivers expect headless browsers.

Selenium-java version:- 3.7.1
Phantom Js driver:- 2.1.1
Phantom js pom version:- 1.4.0

Can any help me to solbve this issue.
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JavaScript Best Practices
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JavaScript Best Practices

Save hours in development time and avoid common mistakes by learning the best practices to use for JavaScript.

We're successfully using an Internal CA but have an issue with a single application that requires internal clients to use Firefox. Firefox does not like the certificate produced by the internal CA, and I believe this is due to AlternateSignatureAlgorithm = 1 being set on the CA.

The issue we have is described here:

Windows PKI certificates not trusted due to disabled insecure algorithm.
https://support.mozilla.org/en-US/questions/1237191

and here: https://social.technet.microsoft.com/Forums/en-US/eec01ac5-8524-42ac-b2d0-5d3722e077b8/alternatesignaturealgorithm-enabled-on-root-and-sub-cas-causing-issues?forum=winserversecurity

Based on these articles, the solution appears to be

  1. Set AlternateSignatureAlgorithm =  0 in CAPolicy.inf
  2. Update the reg value of the same name here: HKLM\SYSTEM\CurrentControlSet\Services\Certsvc\Configuration\CANAME\CSP to be 0
  3. Renew and resign all certificates

This seems straightforward, but I am concerned as to the impact of doing this on existing services that require certificates. For example, we have numerous Direct Access clients - if their existing Direct Access connections fail due to a change on the CA, then they would not be able to connect in to pick up a renewed/resigned certificate.

Is anyone able to advise if this would be the case, or if we can make the changes without affecting existing services? If we did make the change and this happened, is there any …
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Is there any working solution to block AJAX popup divs in Chrome and Firefox?
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Dear Experts, I have a weird problem with RDweb and Outlook.

1). Firefox is opened fullscreen on the screen.
2). Above Firefox is Outloko fullscreen aswell.
3). When I hover my mouse over a email and stop moving for 2-4 second. Outlook minimizes
4). At the moment I click or move my mouse again. Outlook jumps back to full screen.

All of this is happening via RDweb.

I may think that this pop-up has something to do with it.
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I have a customer who switched their website over to SquareSpace and use a calendar that derives its information from a Google Calendar - everything was working fine until about a week ago when only one person can see the calendar on their system - and only on Firefox, not IE or Chrome.  Other people get a permissions error or says it cannot display in the frame.  I have had them try different browsers, clearing cache/history but same issue.  The link is:  https://www.fpcsiouxfalls.org/calendar/
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I do not want my users to right in a iFrame and save the file onto the  computer.

I was able to control it on Chrome web browser but only version 60 and 64 versions of Chrome. I am able to right click in the iframe and save  the document in Internet Explorer and FIrefox browsers.

How can I disable right click in an iframe that display a PDF file or is there any way to ensure that the PDF file being viewed can disable the save/print options.
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My domain a 2008 R2 server on a 192.168.0.X.
I can nearly view all webpages but there are a few that have recently started to give errors when I try to access them.
I get the error in firefox or similar on other browsers:
We can’t connect to the server at www.facebook.com.
If that address is correct, here are three other things you can try:

    Try again later.
    Check your network connection.
    If you are connected but behind a firewall, check that Firefox has permission to access the Web.

I suspect it may be a DNS issues bu tsince I can view any other webpage just a few specific how can I tell?
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Firefox

165

Solutions

330

Contributors

Mozilla Firefox is a free and open-source web browser developed by Mozilla Foundation. It is available for use on Windows, macOS, Linux, and BSD operating systems.

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