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Thunderbird will not start. Message Can't Load XPCOM. Windows 10. Have uninstalled and reinstalled Thunderbird multiple times. No change. Have deleted the Thunderbird folder in Program Files and reinstalled Thunderbird. No change.

I cannot dismiss calendar invites sent to me from others on the Ubuntu platform. I can dismiss invites that I have initiated. FYI this doesn't seem to be the case on the windows release - I can dismiss "foreign" invites.

The only way to dismiss these invites is to delete them from my calendar (which I prefer not to do). Thanks.

Using Samsung S22 Ultra. Had probably 100+ tabs open, and as I was browsing a site, suddenly Firefox crashed, and on re-opening the app, all the tabs are gone, some dating back to months ago.

Unfortunately I wasn't aware of the tab saving add-ons until after the fact, but still, the fact that there's no "restore previous session" on mobile is extremely irritating, and history only goes so far. Why is this a thing? I can't believe this

In the attached screen shot they are two type of folders - One is yellow and looks like a paper folder and the others are rectangular in shape in different colors (here in res and purple) . I am unable to delete the rectangular folder that appear permanent and I don't even know how it was created as I used the same command "new folder" under the inbox or "new subfolder" under a yellow folder - I hope that this is clear : I want to delete the rectangular folders when needed

Starting yesterday firefox, no recent updates etc, gives a 403 error for several large corporate sites and 404 page not found for most paypal payment pages. These sites/pages work fine with Chrome. There were no changes by by myself to my firefox installation, not any antivirus changes.

Within the last hour today everything is working properly. What is going on? jn

Whenever I open TB (115.10.1) new messages download. The problem is the newest message topic is in the Inbox list but it is hidden behind the column headings. I have to scroll the list down one message to see the newest message. Why is this?

I've had this issue ever since switching to a new laptop. This issue is specifically within Firefox (I have tested this in other browsers and programs, and the issue isn't there. Everything else works perfectly fine!)

Essentially, whenever Firefox plays multiple sounds at the same time (for example, I use both youtube and discord in-browser) the second sound will briefly mute the other sound. (Going back to the discord-youtube example, if I am watching a youtube video and recieve a discord notification, the youtube video will pause for about half a second.) Or if a site has background audio but also plays a short audio clip when certain elements are clicked, for example, it will cause this "overlapping" issue. Again, this issue is only within Firefox.

I am using Windows 11 if that helps. I've already tried using a Firefox Refresh and peeking in about:config but I'm totally lost as to what I can try next, since I can't find any other examples of people with this issue online. Sometimes the issue briefly fixes itself but then reappears.

I have Ubuntu 22.04 (on a Dell Optiplex 3000) with a minimal installation. I downloaded Firefox 125, removed the SNAP Firefox and installed this Firefox with no issue. I can run "firefox --kiosk" and Firefox runs in kiosk mode with no issue.

I have made some changes in the "about:config" part of Firefox. I have also made some changes to the Ubuntu keyboard shortcut list. There is only one user created on this system and I have configured Ubuntu to login this user automatically upon reboot.

However, if I setup Firefox --kiosk to start automatically (I use the gnome-session-properties application to achieve this) and then reboot, Firefox does run, but it does not appear on the screen. If I enter the "switch windows" keyboard shortcut (ALT-TAB), the Firefox kiosk appears.

So, is this something I can fix by changing the Firefox configuration, or is it an Ubuntu configuration change. If so, can anyone tell me what I should do, or have an idea how to debug this?

Everytime i try to watch a video it says it can't play or it just sits there buffering. Youtube works but only lower quality, but every other site i go on doesn't. Twitch won't load, other sites show Error Code: 102630. This is only a problem on my browser on my windows pc I have. On mobile the browser works great and has no problem showing videos so it a problem for my pc browser.. I've tried all of the steps, i've updated, i checked drm and even went into config to check there. But nothing works, it still can't load videos. I have version 125.0.3 and for me it's the latest one. I even turned off all of my add-ons to check if it works or not but nothing there either. It worked before, just now the latest two months it hasn't. What can I do in order for the videos to load? Thank you for your time.

I have accidentally end up with two FireFox accounts. I want to combine them, but I can't change either account to the other one because FireFox tells me that the replacement email/account is already in use. How do I get around this?

Hello,

I can't access to 'calendars' on Firefox for Mobile (to boook an appointement or check schedule in exemple). Works fine on Chrome and used to work on an old phone with Firefox. Disabling extensions did nothing.

I'm running out of ideas.

Hi, I'm having issues with my Google search results page. It used to be very clean looking and mainly only showing the results of whatever I searched. Today though, I searched something and now the Google results are first showing Reddit answers, what others have asked, discussions and forums, what others have searched, short videos, etc. I have to scroll really far down just to get some normal search results. How can I fix this? Call me old school but I want the classic version back. Please help, I don't want to switch browsers. I've been using Firefox nearly since it's launch, since StumbleUpon days. Yeah!!! If you know, you know. Thanks!

I know i have asked this already but i did not receive an answer of a solution and id really like someone to help me with this. It is a duplicate question but again no answer and id really like one . i want to remove it please do not tell me toget a new profile and lose everything i have. there has to be another way

I deleted Thunderbird, than Installed latest version. Now in Thunderbird "Use Primary Password" is clicked so I can't reset primary P/W. Previous P/W doesn't work because there is no P/W there as far as I can see. Instructions I found: "Tools> Developer Tools> Error> etc. There is no "Error" button. Instead I get Incoming Connection (attachment) and an other screen that I don't understand. Can you help please? Thank you Ilio Pieroni

not sure if this is where i should be but i tried the Thunderbird help and got no answer. After the most recent Thunderbird up date and a Thunderbird install over existing one when i go to my drafts folder and click on any draft or save message in there i get a yellow bar at the bottom of the page that i have never seen before . Now i do not want recreate a new profile and lose all my contacts book marks add on etc. how do i remove that yellow bar in Thunderbird mail