Firefox Support Forum

‘Firefox refuses to open, just keeps giving the message "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window." When I click on close, the message just comes back, I have deleted, and reinstalled Firefox, but it is still the same, I am now having to use windows outlook. Please help me get back onto Firefox.

Since the upgrade to version 93 many times Firefox freezes (blue circle moving on screen) and the complete screen is filled with the browser in such a way that the Windows tray is not visible. This is particularly being done when several pages are open in the browser simultaneously. Sometime after this freeze the browser closes itself without any notice. This is rather annoying when I am in the middle of a work.

Here are the details of my OS: https://pastebin.mozilla.org/DkNG2o5X

Please find attached a picture what can be seen when the above freeze happens.

When visiting a website and launching a video it plays fine. When I decide that I have watched enough and close the video window it moves to the side and continues to play. I have closed the video because I don't want to see or hear it any longer. This very annoying and I can't figure out how to prevent this from happening. Does anyone know how to disable this annoying behaviour? Firefox 94.0.1 64 bit Windows 10 Pro

Firefox browser will not open. The FF icon is located in my taskbar (Windows 10). When I rest the mouse on this icon I see a very small representation of a website. When I click on the icon I see flash of some sorts on the desktop for about a nano second but the browser will not open.

I uninstalled FF and reinstalled. FF would open OK and I had no problems opening various websites. However, after I closed FF and attempted to open it up again it would not and so I am back to the original problem.

As I needed to access a website, I attempted to open Microsoft Edge and experienced the exact same problem. With the Microsoft Edge browser icon in the taskbar I can see a very small representation of a webpage but this browser will not open either.

Any assistance you can give me will be much appreciated, Con Van Dyk

Firefox (desktop version 96.0.1 64-bit) just updated itself on my laptop. Now, it will not load any pages. I'm sending this message using Chrome.

Please help.

Last night my firefox stopped working. Any time I used a bookmark or typed in a website, it would start to load and just sit at a blank screen continuing to load but not doing anything. I checked in another browser and it worked just fine, so it’s not my internet. I’ve tried closing and re-opening firefox, any time I open it now it says it’s already running and I need to close the previous session. I have tried un-installing and re-installing firefox, clearing my history and cookie cache, and restarting my laptop multiple times but nothing is working. I would appreciate any help with this, thank you.

Firefox is having trouble loading certain pages, including with Facebook messenger but also a bunch of other sites. It'll just stop loading despite that the address is still in the toolbar and the screen is still white. If I refresh a few times, maybe go to a different part of the same website and navigate from there, I do always manage to get there, but not sure what the problem is. This problem is new this week, and I think came from either switching internet providers earlier this week or trying out "Hopin" the next day, a video conferencing platform that my computer/internet totally couldn't handle. (I didn't notice the problems before trying Hopin but perhaps I didn't notice that first day.)

I have cleared my cache and cookies, and have also tried (following the advice of another answer on the same issue) renaming the Firefox program folder and installing Firefox again. I'm on Windows 10, 64-bit HP laptop. My extensions are uBlock Origin, Privacy Badger, Malwarebytes, Honey, Facebook Container, and Colour -- but all of these I had long before this issue started.

This started happening 2 days ago (firefox nightly) Here is a video of the issue (forgot to remove audio tracks before recording oops): https://youtu.be/Vc5ktXUw72E

Hey!

The UK Met Office (UKMO) has a General Aviation (GA) service where they publish weather charts and such: https://www.metoffice.gov.uk/services/transport/aviation/regulated/aviation-briefing-service-guidance It's a free service, anyone can create an account.

The login page, however, has a slightly odd way of collecting the username and password: https://logon.metoffice.gov.uk/Login?goto=http://www.metoffice.gov.uk/premium/myservices/

On that page, there are two <form>s, each containing an <input> element, one for the username and one for the password. The login button is just some javascript which fills in a third, hidden form and POSTs it. Once I have logged in and Firefox has offered to save the password for me (I have to tell it my username because the forms confuse this step too), it never manages to complete both forms. It only autocompletes the password.

Is it possible for Firefox to learn how to cope with this form? I suspect convincing UKMO to fix their website is unlikely, and they're probably not the only offender...

Bruce

Hello, I'm trying to install Firefox (had it installed and running before). The installer works fine, both the downloader and the full installer, but when Firefox starts, all that I get is that empty dialog shown in the image. Tried uninstalling, restarting, deleting AppData folders, registry entries, etc. But no luck. Any suggestions? Thanks!

PS: Running Win 10 64-bit fully updated

I updated my Mozilla today and, after I closed it the last time, it just won't let me reopen. It shows a warning window saying: "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window."

I even shutted down and restarted my laptop, but it keeps giving me this same message when I try to open Mozilla. I unistalled, reinstalled... still the same warning.

Tried both close and cancel buttons, none worked to change a thing, nothing happens.

https://stackoverflow.com/questions/68736550/2021-nearly-2022-and-browsers-still-dont-support-uploading-a-few-thousand-p

2021, nearly 2022, and browsers *still don't support* uploading a few thousand pictures in a few hundred sub-folders! :(

i met a major disappointment this week, when i found out the one PHP + HTML5 solution for uploading more than a few thousand HD and 4K pictures to a Content Management System (plupload.com tied into my own https://github.com/nicerapp/nicerapp), just doesn't work yet. in 2021.

it is one thing that we, CMS builders i mean, needed to find a component like plupload.com which allows us to upload our pictures in 1MB chunks, then recombine them on the server, and make the thumbnail after that, but to not provide us with any means at all to get the relativePath of the files being uploaded, IS AN UTTER DISGRACE, if you ask me.

the CMS building community has been complaining about this to browser makers since at least 2014(!).

see https://www.plupload.com/punbb/viewtopic.php?id=4188 for details.

see https://github.com/nicerapp/nicerapp/blob/f6998dd03015fe8e0768b346ea7147dec314e6ab/nicerapp/userInterface/photoAlbum/4.0.0/jquery_ui_widget.3.1.3.php#L114 and https://github.com/nicerapp/nicerapp/blob/f6998dd03015fe8e0768b346ea7147dec314e6ab/nicerapp/userInterface/photoAlbum/4.0.0/jquery_ui_widget.3.1.3.php#L145 for a pinpointing of the problem..

and it's now 2/3 of the way through 2021 on the way to 2022(!!)... :(

we, the builders of apps and systems that run in the browser, need a solution for this big problem as soon as possible.

how hard can it be to properly support in document.getElementById('uploader').addEventListener('drop',function(event){...}) the functions event.dataTransfer.items[i].webkitGetAsEntry().createReader() and event.dataTransfer.items[i].webkitGetAsEntry().readEntries()?

IT IS PROBABLY EASY TO FIX, WHEN GIVEN PROPER ATTENTION AND PRIORITY!

2021/08/11 : So, i don't know if this is a plupload error or a Chrome error, the problem occurs on both Kubuntu->Chrome *and* Windows10->Chrome (for uploads of a few thousand pictures in a few hundred sub-folders), but it's up to the browser makers and the makers of plupload to fix it, as CMS builders simply do not have the means to produce a fix, let alone distribute that fix.

And one more thing : it is another disgrace that non-webkit browsers don't support the relativePath functionality at all.

THIS MUST BE FIXED, AND SOON TOO PLEASE!

i'll now post a link to this post on the various browser makers' support forums, and list those links in a comment to this post at stackoverflow.

I frequently use the site SAM.gov to look at US government solicitations where documents are posted for the public to download. Recently the links to those documents fail to load on Firefox when it did just a couple of weeks or less ago. I am now forced to use MS browser just to see those.

For example go to https://sam.gov/opp/81551b02dd2d4e2b8fc06ce327d57113/view look for "Attachments" about 2/3 of the way down and you can see the circling caterpillar thingie where the links should be.

is there a setting or fix? Thank you in advance

At abc7ny.com, I keep getting the message that the video is not supported by my browser I have the media feature pack installed & turned on. What's wrong?

Browser stopped responding. Extensions didn't work. Regular reinstall left me in the same situation.

I have tried to do a clean install 4 or 5 times. Deleted profiles, went on a hunt for files to eliminate.

will do a google search 3 or 4 times after reinstall, but won't connect to other sites then it won't connect to google either. I'll get the 6 to 8 instances in the task manager that I have to kill.

No websites will load at all. The address looks fine but the loading ends up timing out just like when the address isn't correct or the site is having issues. I believe this started after the last update, I don't remember if it was a Firefox or windows update. I've tried the suggested troubleshooting tips, and uninstalled re-installed firefox twice. All I achieved was to lose my dark theme and previous open tabs.