Firefox Community Forum

When I click a link or open a new Tab Firefox opens a new window. I have Firefox and Thunderbird pinned to the Taskbar and usually switch between them easily. Today when I try to switch to Firefox another FF window opens. Why is this happening and how can I stop it.?

i was just playing chess and the texture of the pices started glitching. already tried closing and opening but the glitch still remained it is also in other websites and in firefox ui. pls help

If I search for what a session cookie is the common answer will be something like "It's a temporary cookie that's erased from your device once you close your web browser".

If I: 1. Open Firefox. 2. Navigate to website A. 3. Login 4. Close the browser(All windows) without loging out from the website. 5. Open Firefox. 6. Navigate to website A.

If the website has marked it's session cookie as a "session cookie" I will be logged out when I visit website A again. I can't retrieve my previous session, although It's alive on the server. The browser has seemingly, as it should, deleted my cookie since it was a session cookie.

However(!), If i repeat the steps above, but after step 5 hit ctrl+shift+t, the browser remembers my session cookie and I'm back in. Although Firefox was supposed to forget my session cookie.

Firefox is now crashing at least once an hour. This has steadily been getting worse. a month ago it would crash once a week, but now it become unusable. I have use Firefox for more that 20 years and never had a problem. All over the Internet people are complaining about this and its just getting worse. This is happening on my old Win 10 machine as well as on a brand new install on a new Win 11 machine.

microsoft store & my request for mozilla firefox as my default for web browser. microsoft quick message 'there was a problem, and then microsoft inserted edge as my browser, I DO NOT WANT FYI Norton safe web browser is also on

I've used Firefox for decades. One thing I love about it is I've always been able to close Firefox and when Firefox starts up again, it always remembers all of my windows and all of my tabs. That is, until about 3 or 4 weeks ago. All of a sudden, when Firefox restarts, it usually loses many if not most of my windows. Sometimes some of the unopened windows are still available in page history. Other times, they are not. This is really really bad. I need Firefox to work like it always used to work, where you can shut down windows any time you want, and when you start Firefox up again, all the windows and all the tabs come back, no ifs ands or buts.

I use a 2 year old iMac. My Firefox is 131. When I drag or move a window, the windows are automatically changing sizes and taking a full screen size. I do not want that feature but don't see how or where to stop it.

I wanted to sign in to my google account but the link under logging in is towards a help centre question about clearing cache. I can in no way log in to my google account on firefox. Can someone help me with this? THe link that it sends me to is https://accounts.google.com/ServiceLogin?hl=en&passive=true&continue=http://support.google.com/accounts/answer/32050%3Fhl%3Den&ec=GAZAdQ

I looked for a way to remove apple maps from being the default Map when I search using Firefox on windows 10. Its not helpful since half of the info isnt listed and I would like google maps instead like it had always been.

Please explain in simple terms (I am not an IT wizz) how I can stop the continual popups in Firefox 128 and Thunderbird 78 on a Windows 11 OS saying “Update Available” with a Download button very easily activated by mistake.

Each time I click Dismiss, a new popup appears either immediately or very soon. The popup blocks a significant area of the screen and will not move.

I already have Update Settings on “Check for updates but let you choose to install them”. There is no option to “Do not check for updates” on these versions of Firefox and Thunderbird. I already have Windows 11 Notification Settings on “Do not disturb” and all Firefox notifications to Off.

I have found the Mozilla Support article “Customising Firefox using Group Policy” at  https://mzl.la/3bLnw2J but I do not understand it and the device I am using is not part of a group installation setup. 

There is a Step by Step guide “How to stop Firefox update notifications” on Youtube at https://www.youtube.com/watch?v=nD-oXxrCCRs . This is clear to follow if I pause it frequently to absorb each step carefully. Is this safe for me to try given that I am very inexperienced in using the command line and accessing registry etc?

The Thunderbird popups have only recently started up and I would value advice on how to stop these safely too. I need this version of Thunderbird at present for particular reasons related to gmail so it is important I do not accidentally activate a download on that.

Hello, I reinstalled windows and I want to synchronize my data from my email from which I send your message and every time there was no problem, but now it does not want to synchronize the data as if it does not exist, what is the problem because the data is important to me and I cannot to access Kind regards.