Firefox Support Forum

I had a number of tabs open today (~40). Because Firefox started to malfunction, I had to restart Firefox. It happened to me before and I knew that I can restore my previous session so I safely closed the tabs.

When I restarted it, I opened a tab and then I tried to open the Application Menu, but accidentally closed the window. Now, when I've re-opened Firefox and attempted to restore the previous session only that last tab appeared.

Is it possible to recover the pre-previous session? I use Ubuntu 18.04. Where is this information located? and how can I retrieve it?

I cannot clear this cache to zero no matter what I try. How can I clear this cache. It just started happening after a recent update. I clean my caches after every use but not any longer.

~~~SOLVED~~~ Hello guys, this is about some..adults sites, i'm just getting loading error on the screen. Sorry if that's inappropriate. Also recently, youtube videos can't play at 1080p, only 720p, even tho i know the video it's 1080p.

When I am watching a TV stream on my PC; when I hover on (some) pictures or videos, a supremely annoying pop-up url appears at the bottom of my screen. I have some learning problems and can not figure out the 'userChrome.css' method. I can not work with long streams of multiple overlapping instruction. I am not tech savvy. I do not understand 'layers' and stuff like that. I can do the 'about:config' thing, if anyone knows whether or not if I can fix it from there, I would be eternally grateful. Thanks.

Hi

I guess this applies for any web browser, but is there an option to disable this with Firefox...? Basically, whenever my BT connection goes offline, Firefox decides to take it upon itself to open up just to tell me it can't connect/that the web is offline etc. It's seriously annoying. I know it's offline as the hub light will change from blue to green/orange etc. It's even worse if I'm doing something else, such as playing on a game, and it's interrupted by the web browser opening itself. :-\

Any suggestions? Thanks.

I want Protonmail as my default mail for Firefox. Windows 11 allows me to install Protonmail as an application. I cannot find or use that application in order to use my Protonmail email as my 'mailto' option in Firefox. Why does Firefox not allow this? Why can't Firefox find and suggest the Windows 11 Protonmail app in its list of suggestions under 'mailto' options?

When I do a search using google, and then click on a choice (one of the first sites listed) my browser tries to go to something called "googleadservices" and it will not load. Just hangs up and gives me a blank page. How do I stop this or remove googleadservices?

I use two displays, suddenly it is no more possible to move the Firefox- and/or Thunderbird-Windows from Monitor to the other monitor, grabbing its mainbar and trying to move, the window sticks on half way and then flops back.

Hi, when I had cleaned out all my bookmarjks duplicates (and they were many 50.000 accumulated through the years)on my Linuxmachine and turned on my Windows 10 machine they were all back. So my question is: what data is saved when syncing with Firefox sync? And I dont mean the different types you can choose between ,no I mean: when I change one thing on onea logged in firefox on one machine doesnt that change the status of, and in my example the bookmarks on the other machines? Or is it the other way around, namely: will the second machine with all the duplicate bookmarks change the sync-"base" so they will be back on all other machines again? Very confusing especially if youre logged into moire machine then one at the same time. Please answer me, I really need to clean up my firefox's accumulated duplicates pretty quick. Sincerely Wal

I have loved being a Mozilla-stuff user intermittently since teaching on Netscape 1.1, and now am making Firefox 98.02 my default browser. I like both Safari and Firefox, and sometimes use them simultaneously for two accounts on the same service (not right now). My physically pristine 2015 Mac cannot install OS's past the 10.12 I have, so Safari is failing. But I am exasperated at runarounds when trying to set up this Firefox account. I used the emailed verification code and seemed to get in, but got the red-box message "This account... administrator... error." I cannot tell whether the site is letting me use it normally, but I think not. I just spent an hour in help forums. Geesh, tech complexity has mushroomed since my LAN work in the 90s, and you volunteers get to cope with inarticulate queries like mine! Upload is failing of jpg screen shot that has been made anonymous. Help?