Firefox Support Forum

In a recent Firefox browser update, my ability to reference my home router by name via the Windows HOSTS file stopped. I can ping the router by name from a CMD window just fine but keying the name into Firefox now fails. Images show the two forms of failure - a 500 Error when DNS over HTTPS is enabled; a 'having problems' error with suggestion of www..com alternative when DNS over HTTPS is disabled. Neither is the least bit helpful.

I can't imagine what changed and I can't find a prior support response that gives any clear ideas.

Hello. I experience a problem that occurred 2 days ago. Firefox seems to ignore my preferences of opening previous windows and tabs, also it ignores pinned tabs. Some of websites disappear from the history (let's say i opened few windows to check if tabs will be saved by firefox, closed browser, opened it after few minutes: tabs are gone, history has only few of websites that were open. I tried to look for the problem by myself but failed. I will be grateful for your reply, thank you in advance.

I have Canon EOS Utility installed in order to use a better camera when streaming. For some reason, when I'm using Google Meets, it will only let me use EOS Utility, ignoring the option of using my laptop's webcam. I've tried revoking permission, but when it asks me for permission again it won't show me my laptop's camera, only EOS Uitlity. I've tried disabling EOS Utility under Windows settings, but it's still the only camera that appears.

Some websites must log in again after reopening Firefox, like www.baidu.com of China. I didn't clear the cookies and histories when I closed the browser, and other sites like Google didn't have this problem. I've tried removing all extensions, that didn't fix the problem. This problem does not occur using other browsers.

I've just recently switched over to Firefox with Manifest V4's blocking of ad blockers, and made an account here to sync between devices. I somehow mistyped my age during the account creation, though, and put in "13" instead of what I meant to. Will this affect any of my searching, and if so, is there a way to change it?

I am currently experiencing a technical issue with the Firefox browser that is impacting our workflow. After accessing a specific URL, we encounter a problematic page that we're unable to bypass. This is reminiscent of a past issue that was resolved by modifying certain configurations in Firefox's about:config page. Unfortunately, the previous fix is not effective this time. I have attached the error page with this ticket.

The settings we've adjusted are as follows: - security.insecure_field_warning.contextual.enabled = false - security.certerrors.permanentOverride = false - network.stricttransportsecurity.preloadlist = false - security.enterprise_roots.enabled = true

Can anyone tell how I can bypass this page?

Hello we are a team of developers building the top notch plugins for ecommerce browsers etc http://www.pasarelasdepagos.com/

right now we are looking to build an app for mozilla , so people can compare prices of products when they are in amazon, with others sources

does anybody has a guide where start building this app please???

we are very interested in start the project thanks

Locking this thread, please continue here: [/questions/1442806]
'All of my inbox emails save for last night's and today's have disappeared. What is going on?

I have a very annoying issue.

I am on the Firefox ESR version which is deployed via Intune. I am on the latest 115.9.0 and on Windows 11 22H2

After a certain period of time (never took note of it sadly) tabs start crashing and keep crashing. The only way to fix this issue is to terminate firefox via task manager and relaunch.

What is the best way to start investigating this and try to understand what is causing the tab crashes.

Is there a way to set the default view and sorting for file upload folder?

The default for me is, detailed view and sorted by date.

I wanted to change it to large icon and sort by name, so it's easier to upload images. but I have to change the setting for every individual folder, is there a way to just set it as default?

Would a FireFox programmer please explain to me why you took away the scroll bar at the bottom of the browser? All companies are taking away too many options and ALLLL software doesn't work as well as before.............

Thunderbird also needs the scroll bar at the bottom of the e-mail and the sizing of columns fixed.

In French ('English underneath) J'essaye d'organizer mes marque pages 1)Je tape sur supprimer, la page revient à la prochaine application 2)Je crée un dossier. Dans des versions anterieures de Firefox, on pouvait simplement bouger les fiches avec controle>fleche jusqu'a le dossier. (Il n,y avait pas le separateur <autres marques pages>) Avant l'essai de reorganization, <autres marques pages> contenait la plupart des fiches, les marques pages normales (bouton >>je presume) contenait seulement une demi douzaine choisis au hazard. Apres l'installation des dossiers, <autres marque pages> contient seulement les dossiers, bouton >> toutes les fiches. Il est impossible de transferer de bouton >> jusqu'a <autres marque pages>, afin d'incluire les fiches dans un dossier.

I am trying to organize my bookmarks. 1)I press the delete button, the page comes back next time I open the computer 2)I create a file folder. In previous versions of Firefox ,there was no separator between bookmarks (button>> I assume) and <other bookmarks>, and one could transfer a file into a folder using control and the arrow. Before I tried to organize the bookmarks, <other bookmarks>for some reason contained nearly all my files, the button >> only a few chosen at hazard. Having created file folders, <other bookmarks> contains the folders, button >> all the files. It is impossible to transfer from button>> into the folders in <other bookmarks>.

Did you do something in the latest update. Trying to use Ancestry.com, I cannot review any hints,so I cannot update my family tree.