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因工作需求，分别在五台电脑登录我的火狐账号（国内版账号），进行书签操作共享。 现在不知道因为什么问题导致，是火狐的历史书签没法多端同步（自动/手动均无效）， 其中尝试设置了 排障模式/about：config部分参数： ①contextParam--fx_desktop_v3； ②identity.fxaccounts.oauth.enabled设置为false，仍然未解决问题。 有解决方法方便直接联系3003378498@qq.com，求求大神帮帮忙，谢谢

Where do we report browser / load issues for Firefox Focus on iOS?

For example, this site’s menu page loads automatically but is stuck in expanded mode. This doesn’t occur in Safari.

https://blooloop.us7.list-manage.com/track/click?u=b51ee8d1d61f48fc44b044e69&id=0fcf53a4df&e=7c9296edde

Thanks, J

TBird maul ott corrupted. There are a qty of folders in the mail folder with similarr names. Can someone please tell what folders s/b there? Also have 5 TBird Local plus subfolders in my main mallboxo - how do I remove those?

Have tried and uninstalling to get a clean install - it doesn't work!

Sincerely HLA

items dragged to overflow menu pop back out, will not stay there - dunno how to fix this.

Hate the "puzzle piece." Involuntarily upgraded to 115.25.0esr and it lost all my bookmarks, addons, history. How do I know which profile was the most recent, before the update added a new profile? How do I find my addons from the previous version? history?

0 being remotely hacked deleting emails Firefox Google Chrome everything you can imagine for 2 years you got bugs all kind of issues can't do passwords anything like that it's really really annoying I needed some help I had please help guys thank you thank you

Yahho search is on my home screen but not on my app list. I suspect malware. I use Bitdefender free for antivirus and scans sho no problem. I read that yahoo search can be hacked.What can I do

As of 7/10/2025, Xfinity Streaming does not open through Firefox. I much prefer Firefox to any other browser so I am a little mystified as to why all of a sudden Xfinity Streaming does not open. I receive my Comcast email through FireFox but when it comes to streaming content, the Xfinity logo just sits there and does not open.

Had this problem suddenly crop up since the update of one of my accounts not sending mail due to timeouts. I've not changed any passwords or settings since I had it working last. The message is the "Sending of the message failed. The message could not be sent because the connection to Outgoing server (SMTP) [my workplace's SMTP server] timed out. Try again." one, and it's preventing me from sending any emails.

Specifics:

• It's one account (my work one: work runs an Outlook/Microsoft mail server).
• My personal account (gmail) sends fine. Both accounts recieve email fine too, so this is just one direction on one account.

Things I've tried:

• Switching my Firewall off makes no difference, so it's not a firewall problem
• It's not that the emails I'm trying to send are too large, one word test emails also don't send
• Extending the timeout time by 3x doesn't help

I also opened a second computer not yet running the latest version - the account worked fine. Then applied the upgrade and that broke things in exactly the same way as described above. So I'm pretty sure this is an issue caused by the upgrade in some way. Not sure if other people with Outlook servers are having the same problem or if there's any workaround available but would appreciate advice.

I have updated my password on my IMAP server. I cannot find where to enter the new password on the server settings. There used to be a box for this. It asked once when I logged in but dosnt ask again.

This must be one of the most basic settings that needs occasional updating but no clear location where to do it?

Its now made thunderbird un useable and have migrated across to outlook where you just type in the new password.

when i oppened tbird on windows 10, it showed a page to obly my for a donation. i had made a donation short ago, but eventhough, i just made another one time donation. when i open tbird again, i can not get out of the donation page. what should i do please???????

Hi! I'm experiencing an issue where videos on YouTube stutter or play choppily when using Firefox. This happens even when the internet connection is strong and works fine in other browsers like Chrome.

Here’s what I’ve noticed:

The issue occurs on both 720p and 1080p videos.

It’s more noticeable when switching to full-screen mode.

I’ve tried disabling hardware acceleration, but it didn’t help.

Firefox is up to date (v126.0).

I’m using Windows 11 and have an NVIDIA GPU with the latest drivers.

I’d appreciate any suggestions or fixes. Thanks in advance for your help!

Firefox iOS updated this morning to 143.1 In private browsing it’s in dark mode automatically and won’t change even if changing to light in the settings.

Any help? Steve

Reporting a bug:

"Firefox can’t update your languages right now. Check that you are connected to the internet or try again." but - Connection is established, INDEED!

German language pack not available :( manually downloaded verisons of german Language pack are incompatible.

please fix.