Firefox Support Forum

hey folks,

since today firefox wont load any websites out of troubleshoot mode. not even settings/ about:config. if i open a page in a new tab it just stays blank and nothing is happening.

in troubleshoot mode i turned off hardware acceleration - nothing changed after restart. i updated the runtime file "Visual Studio 2015, 2017, 2019, and 2022", which is suggested in different help-posts, i deactivated all addons, i created a new profile and also tried an imported one from eralier today - so far nothing has worked.

i also reinstalled firefox with version 99/ version 101 two times, after i cleared %APPDATA%-data.

im also just using windows defender as antivir.

please elp, i'm out of ideas.

How does one specify which program opens a .zip file after it is downloaded?

Presently, the download functions properly, but when I click on the file, VLC media player opens; have no idea why; how can I specify 7-zip File Manager instead?

Thank you. Appreciate.

I’ve not had much success with my online searches to learn the details about what takes place when Firefox syncs browser information across devices. To keep things simple, assume I interested only in syncing bookmarks and staying within the Firefox environment, i.e., no syncing to another browser. Please note that I am NOT asking for help in setting up Sync on different devices or in how to turn Sync on and off. Rather I am seeking help to understand what “sync” means, that is, the details of the sort of information transfers that take place between individual devices and the Firefox Sync server.

Here’s what I currently understand. After signing in to my Firefox account on Device 1, setting up syncing on that device, specifying that I want only bookmarks to be synced, and turning syncing on, the set of bookmarks on Device 1 is sent to be stored on a Firefox server. After that, whenever one is signed in to the Firefox account on Device 1 and syncing is turned on, any changes to the bookmarks on Device 1 will "automatically" (but I don't know how quickly) end up being reflected in the set of bookmarks stored on the server. Fine so far.

In addition to Device 1 I have another device, Device 2 which has not been set up for Firefox Sync. It has its own set of bookmarks. Some of them are also on Device 1, some are not. I sign into my Firefox account on Device 2 and set up syncing on it. I follow the steps for doing this in https://support.mozilla.org/en-US/kb/how-do-i-set-sync-my-computer, “Connect additional devices to Sync.” I then click Sync Now. OK, now what happens?

1A. Do the bookmarks in Device 2 get added to the bookmarks stored in the Firefox Sync server? 1B. Do the bookmarks NOT in Device 2 get deleted from the bookmarks stored in the Firefox Sync server?

OR

2A. Do the bookmarks stored in the Firefox Sync server get added to the bookmarks in Device 2? 2B. Do the bookmarks NOT stored in the Firefox Sync server get deleted from the bookmarks in Device 2?

After whatever transfers of bookmark between Device 2 and the Firefox Sync server take place, and assuming that I’m still signed in to my Firefox account on Device 1 and that syncing on that device is still turned on, what sort of transfers of bookmarks takes place between the new set of bookmarks stored in the Firefox Sync server and the set of bookmarks already on Device 1?

3A. Do the bookmarks then present in the Firefox Sync server get added to the bookmarks in Device 1? 3B. Do the bookmarks no longer in the Firefox Sync server get deleted from the bookmarks in Device 1?

Finally, what happens to the set of bookmarks in Device 1 and Device 2 if I’m simultaneously signed in to my Firefox account, syncing is turned on in both Devices 1 and 2, and a bookmark is a) added to either device OR b) deleted from either device?

I’m sorry this message is so long, but I’ve wanted to be clear about the things I don’t understand in regard to Firefox Sync. I’d really appreciate what anyone can say to help me clarify these points. Thanks so much.

After upgrading to v101, Firefox no longer recognizes my Self-signed wildcard SSL for *.local.dev.

Before you tell me not to use the .dev domain, I am aware that Google owns it and we're technically not supposed to do local development with the *.local.dev domain.

I have already tried the following: 1. Set network.stricttransportsecurity.preloadlist to FALSE, and everything was working perfectly fine before v101 2. imported the server.crt into Trusted Root Authorities in Windows, and also imported it in the Certificate manager in Firefox. 3. Tried other wildcard local domains like *.test.site, *.local.ddev and these don't work either.

I even tried following recent guides to issue a new certificate with openssl and SAN, and it still doesn't work.

Screenshot of wildcard SSL attached.

Comments below youtube videos won't load. This happens across all browsers on this computer regardless of add-ons or being logged into youtube.

I've attached a screenshot that shows that 176 comments are below that video but none load. I'm using the latest Firefox version on Windows 7.

If you need any extra information I will gladly provide it.

Lighter fonts (from multiple families, and on multiple websites) are rendered so poorly they are barely legible.

I already tried disabled performance settings, and turning off ClearType in Windows (it barely had any effect)

How do we fix this?

This isn't a question about the "Multi-Account Containers" addons, I am pretty sure that there was a section called "Container tabs" in the privacy and security settings, and I could use containers without installing an addon some days ago.

I can still access by directly viewing this address

about:preferences#containers

But I can't find it in the settings, and this feature does no longer work.

So I went to read recent release notes from Firefox 100 to 101.0.1, but I didn't find any notes to say this feature has been disabled. Could this be an unexpected result of an update?

Hello, Do not be tired

while i clicked on the normal Web page, Cursor is activate, And blink. it walks a lot on the nerves.

please solved this problem,

Thank You!

Various website that contain dynamic content are not being rendered by Firefox to display that content. This is happening with websites that provide transportation information and ticketing, including Amtrak and Peter Pan Bus Lines . It is also happening with a genealogical website, FamilyTreeDNA, on pages that should be displaying family tree information. Illustrations of two pages are attached. I have been able to access the information by using Opera on this same computer and operating system, and by using the same version of Firefox installed on a different computer with different operating system. I am not sufficiently proficient with website development to know or understand what type of dynamic content is being generated by these websites, or how Firefox interprets the content. My suspicion is that some Firefox setting has been enabled or disabled, but I do not know which one it would be.

Hi - I need some help restoring the 100+ open tabs that are in Computer1, and open them AS-IS in Computer2.

To help you understand my story......Computer1 is main machine, and I had over 100 tabs opened in there. I would like to transfer ALL of the open tabs to Computer2, before re-partitioning the C Drive in Computer1.

The problem is, my Computer1's Windows 10 is giving me problems at the moment, so I can not get into the computer by logging in. No recovery or diagnosis method will do the trick, so I will have to reinstall a fresh copy of Windows into Computer1. Besides, the computer was troubling me for having only ~50 MB available space in the C Drive (I have multiple partitions in my hard drive).

For now, I have removed the hard drive from Computer1, attached it in Computer2, and have access to the data in the various Computer1's drives.

I read many articles here in the Support Mozilla help site to restore the 100+ open tabs from Computer1, into Computer 2, but it is not working for me. I even tried copying the entire "sessionstore-backups" folder from Computer1's location, and replacing the same folder in Computer2's location.

Maybe I have to do more than just copying the "sessionstore-backups" folder, like do something additional through FireFox options??

Any help would be appreciated.

And here is the location of the "sessionstore-backups" folder in both computers:

Computer1 K:\Users\Team Umizoomi\AppData\Roaming\Mozilla\Firefox\Profiles\jrvowkxo.default\sessionstore-backups

Computer2 C:\Users\einstein jr\AppData\Roaming\Mozilla\Firefox\Profiles\x9z76c15.default-release-1\sessionstore-backups

I like to set my home page to my search engine, and I want to type on the page in the nice long search field there, not on the d---d address bar! The following preferences have all been offered as fixes to eliminate searching in the address bar, but none of them are currently working for me in FF 102.0.1:

Do about:config; search for the browser.urlbar.suggest.searches preference setting it to false.

Also browser.fixup.alternate.enabled needs to be set to false Also browser.urlbar.oneOffSearches = false

Also to disable searching when typing an address (e.g. the URI fails to resolve and it tries to use a search engine) turn keyword.enabled to false.

What does work?

I added a few sites I frequently visit, such as banks, credit card company Google, to the exceptions list in Cookies And Site Data. When my version of Firefox was recently updated to 102.0.1, a few of those sites began asking for additional authentication because they didn't recognize my computer. So I added the recommended add-on, Cookie Quick Manager. and listed those sites as protected. This worked for a few days but Google and my credit card company again don't recognize my computer. I am not using a VPN.

Thank you.

I have followed the fixes. It will work after I "Refresh Firefox" but goes back to not working again. Should I reinstall Firefox? How do I add this site to the exceptions? Thank you

Hmm. We’re having trouble finding that site.

We can’t connect to the server at www.cdc.gov.

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.

Hello Lovely Firefox Volunteers,

I hope this email finds you well. I am a long-time user and fan of Firefox, and other open source projects. Firefox is a fantastic internet browser!

Having said that, I was shocked and dismayed at what I encountered today. I was doing some tests for screen-reader usability on a website, and I came across the following:

Image 1 (attached): Advertisement of Screen-Reader Add-Ons for Firefox

Image 2 (attached): No Screen-Reader Add-Ons for Firefox are Available

The Firefox team is advertising screen-reader add-ons for Firefox, which don't seem to exist. I don't think the recommendation here should be: take down the advertisement for the Firefox native screen-reader add-ons/link to them, these seem to be really important for accessibility, and the Firefox team seems to acknowledge this. :)

There is some other missing piece - maybe there are Screen-reader add-ons for Firefox, and they aren't being linked to? Maybe the wrong tag is being used? (The auto tag that is used in the link is "screen reader"). Maybe there aren't any, and this is an area that needs some additional attention?

Anyway, I just thought I should bring this to your attention as making our internet accessible to people living with blindness and loss of sight is extremely important.

Sincerely, Katie

I have been using Firefox for years with no problem on a 64 bit Windows 7 machine, i7 processor, 32 gigs of ram. Firefox is version 103 64 bit. I have Kaspersky Internet Security and Malwarebytes installed and have been using them with Firefox for years.

A few days ago Firefox just stopped loading any pages. If I go to a secure site (https) I get "secure connection failed". If I go to a non-secure site (http) I get "The connection was reset". Microsoft Edge and Google Chrome work on this machine with no problem. Oddly enough Mozilla Thunderbird also stopped working today. Only Mozilla products seem to be having problems.

Firefox works fine on other Windows 7 computers in my household.

I tried clearing the cache. I tried disabling extensions. I tried running it in Troubleshoot mode. I tried the "Refresh Firefox" option. I tried completely uninstalling and reinstalling Firefox.

None of these worked. Even a clean virgin install will not load any pages. It seems to be something specific to this machine that's preventing Firefox from working. What can I do to get Firefox working again?