Firefox Community Forum

I have set up a new Windows 11 PC (brand new installation). I installed Firefox and tried to sync, because I want to copy settings, history etc. from my Windows 10 PC.

However, it fails. I enter my password, then it asks me to enter a code sent to my email. I enter that code, and it says "Bad request" and "Something went wrong. Please close this tab and try again."

It's not the most helpful error message. All I can do is retry, but after 20+ attempts, I think there is something wrong with the 2FA.

I'm able to successfully log in to https://accounts.firefox.com/ on the browser without any issue. That uses a 2FA code from the authenticator app on my phone.

Any ideas? Is there a better way of copying my browser to the new computer? I was thinking of just copying the Firefox profile folder, but I don't want to end up with it duplicated since my Windows 10 PC is still active.

On Firefox browser, I cannot Copy a file in Studio Code Server (within Home Assistant). SCS is open in HA in a Firefox tab. I get the error popup "Unable to read from the browser's clipboard. Please make sure you have granted access for this website to read from the clipboard." "Learn More" links to https://code.visualstudio.com/docs/remote/codespaces#_how-do-i-allow-vs-code-to-access-my-clipboard-for-reading and the "How do I allow VS Code to access my clipboard for reading?" section. But I cannot find similar settings in Firefox's Settings menu.

Any suggestions please on how to resolve this? I'm sure I used ~ a year back to be able to Copy a file ok in VSCode on Firefox. Thank you.

I tried all common troubleshooting steps: deleting cache reinstalling different settings turning off adblocker/vpn disabled efficiency in task manager and set it permanently to off in FF

I used to have 1000+ tabs in 2016 no issue. I had problem in past with Firefox using 100% CPU which now it is not using only like 50, but memory is getting full 89% i use also large page file on ssd. Problem is even when i restart firefox it is slow with low RAM usage! SO that's not it! Even 5 tabs sometimes it is slow!

It is so damn slow it drives me crazy! I tried also Quantum in past when Firefox has 100% CPU usage bug and it was only tiny bit better but still caused 100% CPU usage!

All other browsers are anti user cannot even stop Autoplay literal terrorist Firefox is only normal browser unfortunately performance compare to 2016 got absolutely abysmal! I had this problem even in-between reinstals of OS so it doesn't seem it is me. I play demanding games no issues on my PC...

I cannot access this website: https://cz-usa.com . I get this message every time. Please help, this is very frustrating!~

Forbidden

You don't have permission to access this resource.

Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.

The past 3 days i have had problem with connecting to Google.Then it works then it fails. It is also telling me i am not securely connected to the site and no encryption.

Последнее обновление сломало ВСЁ. Нажимаешь на сохранённую вкладку и ничего не происходит - странички не открываются и даже не пытаются загрузиться. Жмёшь на меню настроек, ничего не происходи. На синхронизацию - ничего не происходит. Сносил браузер, переустанавливал, чистил, ставил новую версию, ставил старую версию - НЕ РАБОТАЕТ НИЧЕГО. При этом браузер Edge нормально работает - через него и пишу Вам. Работаю на Window 10 (всё обновлено).

Every time I try to add a new account onto my gmail through Firefox, no matter what happens it will ALWAYS crash. A couple of things that i did were: (1) reset cookies, (2) check for updates (and is up to date)

I've disabled any kind of extension that I used to use (including any adblockers or browser VPNs) and nothing I've tried worked.

Please help me.

My hard drive crashed and I have recovered the files. I have found the latest recovered profile but can't integrate the bookmarks and passwords into my current FF. I've read the how to articles but can't switch profiles. Help thanks.