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When I encounter an embedded video on a website that plays, an icon to toggle picture in picture pops up in the URL bar (see attached image). I don't use picture in picture, and for some websites which have an "endless scrolling" experience with videos, such as reddit or facebook, it is slightly annoying that while I am focusing the middle of the screen, something changes in the top right, making me think a tab has an update and changed title. I have the picture in picture controls turned off in settings (one with the id=pictureInPictureToggleEnabled in general, my Firefox is not English), I thought it would also make said button go away but it does not.

I was happily using TB 78.14.0 on Mac OS 10.9.5 and I switched to using TB 140.6 on Mac OS 12.7.4, and it's now unusably slow. I've tried: troubleshoot mode with add-ons off; compacting folders; removing and renewing msf files; emptying junk and trash. Is there anything else, or is this just a failure or incompatibility of the app? I can't see that there's any antivirus app that might be interfering. Can something go wrong when you export the files from one TB into another? I would be grateful for any suggestions. Tim

For the last two day when I start Thunderbird I get the message "The current operation on 'Inbox' did not succeed. The email server for account [edited]@herrinonline.net responded: expecting ")" instead of "(".

This is happening with all 4 email addresses I have. 3 on ionos and 1 on gmail.

I have checked all the settings for the Ionos webmail server and the Gmail server and they are correct. I have deleted of of the accounts and recreated it but still get the same message.

Attached is a capture of the actual error message. If I try to synch with any of the email addresses I get the same message for that email

Can you offer any help?

Thanks,

John

As my subject states, I am a long-time TBird user - not a wizard or expert, but technically savvy. Now ... with version 140.0.1esr (64-bit), I cannot create a new account as easily as I once did on prior versions.

To be clear, my policy has always been to create new accounts for "A, B, C, and D" for each new year like what you see, left to right, in "Image-1." That has made it the easiest for any research about prior received or sent messages.

Attempting to do that now doesn't work. I put info in every panel; I setup for POP3 and enter a new password; then click Continue and get the message you see, left to right, in "Image-2."  :-(

I could really use some specific, successful advice ... PLEASE!  :-)

I realize this is a lousy day for advice!!  :-(

Original Firefox account uses an older email now defunct and is no longer accessible. Security code being sent to add secondary email address can't be completed as older email account isn't accessible. Suggestions?

Please help, can anyone answer me. I am on Windows 11. Asus laptop PC. On Google Chrome, any streaming website I used with autoplay enabled would KEEP full screen mode ON after changing episodes. It would automatically go to a new page with the following episode and remain full screen. Why doesn't Firefox have this feature?? I'm seriously considering going back to Google Chrome for this one small feature. Every time I had any streaming service playing with autoplay enabled, I didn't have to manually select the full screen option every time. I am having to stand up and manually click full screen function. Every. Single. Time. This needs to change PLEASE.

Today IMDb Pro and Linked In pages will not load on my desktop.

I have cleared the cache both using Firefox and CCleaner. Nothing helps.

Linked In has a loading indicator that never completes.

IMDb Pro has a blank feed for the home page. I can search some pages and get data. Many pages will not load.

I've been a user of Firefox since day one, now to me the browser is utter garbage, always fighting to do something that was so simple in the early days of Firefox. Wheres that bring the internet back simple browser gone ???

Every update breaks something its like you have a bunch of kids sitting in a play pen hoping the next release will be wow waw great brill but no its turned to garbage, utter garbage, did you sell out to another company or something ??

I was hoping to be saved from Chrome but you just cant beat an old dog forever.

RIP Firefox Im done with it !!!!!

I actually signed up for an account for this, thats how strongly i feel ive been let down.

Hello. For about a month or 2 videos on my mobile browser won't play with sound and sometimes they play without sound. The same situation I have with Brave browser. I tried Vanadium and IronFox and it works fine there. I really don't know what's wrong and how to fix it.

I have enabled the option to open the previous windows and tabs. I had one window that I always closed last as it had a lot of groups that are important for my work, so it used to open every time I started Firefox. Sometimes, even if I closed the window by mistake without closing other windows, I was able to get it back by pressing ctrl+shift+n.

But yesterday, I might have closed it by mistake and when I pressed ctrl+shift+n , it didn't come back. I wasn't able to access my window and now it's all gone. I don't see anything in recently closed windows in history.

I need those tabs back as they are very important for my work. they were a lot of tabs. I had many groups but now all are gone. I tried by using the previous.jsonlz4 in the sessionstore-backup by renaming it in the default-release profile as sesstionstore.jsonlz4 but still wasn't able to access my window.

I didn't clear my history as the tabs opened in the window still show up in the history.

Kindly help as soon as possible

Dear Mozilla Support,

My name is Sizhe Xiong. Today when I launched Firefox on my Windows computer, the browser suddenly required me to select or create a new profile before continuing. I had no option to skip this step, so I created a new one.

After that, Firefox asked me to log in or register a Mozilla account. I used the same Gmail address that I’ve always used for Firefox Sync, but it seems that a new account was automatically created, and all my previous data — including bookmarks, history, saved passwords, and extensions — disappeared.

When I checked my local Profiles folder under C:\Users\<username>\AppData\Roaming\Mozilla\Firefox\Profiles, I found several new folders created around the same time, but none of them contain my old data (all places.sqlite files are around 5120 KB).

These bookmarks and passwords are very important to me. Could you please help check if it’s possible to recover my old Firefox data, or if my previous Sync data can still be linked to my Mozilla account (using the same Gmail address)?

Thank you very much for your help.

Best regards, Sizhe Xiong

I am incredibly frustrated by the continuing problem of all my Bookmarks disappearing with the usual "The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem." This issue has been going on since NOVEMBER!!! I usually manage to get my Bookmarks back by closing all txt files that I need to keep open, store them in a new folder on my laptop, and then restart my laptop. This time, it didn't work.

Can anyone steer me to a permanent solution to this problem?

Thanks, in advance, for any help offered.

I own three laptops and they are in my Firefox account and synced. I have several bookmarks for site I frequently visit. On two laptops, based on my settings, when I tap a bookmark it opens up in its own tab. This is how I want these to function. For some reason, my third laptop does not behave in this manner. The new bookmark opens up on the tab I am currently in. It gets bumped and the new bookmark opens. This is exactly how I do not want it to perform. What is going on? Also, when I set up settings doesn't it work for all my laptops since I am signed in?

Publishers clearing house’s advertising is a bunch of con artists and predators that make their apps not work the legit adds are often in the same format as felony advertising I don’t want to be harrassef and abducted onto. browser or app stony a disrespectful predator that never cares what you want and even send adds the opposite of anythyyou could ever be constyand then their apps malfunction

Hello Frustrating.. I live in UK and want Thunderbird to work in English English but it keeps changing back to Canadian. I have been in settings and added English English and made it the default but TB keeps changing the setting and making Canadian the active language. How do I stop it?

TB 140.6.0esr (64-bit)