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I have a profile that causes odd behavior, within the profile, and to the OS.

Regarding the profile itself:

1. I use Multiple Tab Handler, which should allow me to move tabs on the tab bar with the mouse, but it does not (see image of proper behavior)

2. Normally, i can drag this padlock button to the desktop to create a shortcut. but now, it will not move/drag (see image 2)

3. I also have a backup profile from several months ago that has none of the above symptoms. However, If I substitute it's sessionstore.jsonlz4 file with the the one from the problematic profile, all the bad behavior mentioned above re-emerges.

I know this sounds strange, but, I also get external display issues when using the broken profile. These events are random, and manifest themselves differently, so I can't duplicate them. Essentially, these snips are examples of images from the taskbar tabs, or the clock area, suddenly superimposing themselves on the top portions of the taskbar toolbar area.

This is the view of my clock area (see next image 3)

In the following image, imagine that the portion on the left, that opens the start menu, is now hidden under what looks exactly like the clock area on the right, superimposed over it (see next image 4)

Those aberrations are removed by simply moving the mouse cursor over them, but they will continue to occur in any number of variations over any area of that top toolbar.

Is there a Session Manager that will save the session, to be later restored into that previous profile, but not also pass along the corruption?

Updated from Thunderbird 115.10.1 to 116 and now cannot send emails -- on two different machines: one an iMac (OS 18.5), the other a MacBook (OS 17.x).

Ten seconds after hitting "Send", we get an error message saying "Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: EHLO [13 character string] internal error AUP#EML-005."

Our settings and password have not changed, and they are all correct according to our ISP. Tech Support at the ISP says they are not blocking our emails -- although that is what a "EML-005" error usually means.

(In fact we ARE able to send emails via the ISP's Webmail interface, no problem. But this interface is old, very clunky, and not a satisfactory solution to our problem.)

VPN is off. Problem persists when Firewall is off.

Have tried a clean re-install. Did not help.

Have reverted to previous version of the app and Profile folder, using Time Machine backups from before the update. Problem persists! (How can this be??)

ALSO: We have a MacBook Pro that has not been updated. It is still running 115.10.1 -- and it can still send emails in Thunderbird, over the same network connection. All SMTP settings are exactly the same. How can this be? I tried copying the Profile folder from the unaffected MacBook Pro to the iMac. This did not fix the problem.

What to do?

Hello. I am trying to use Thunderbird to access my Matrix chat rooms. This page: https://support.mozilla.org/en-US/kb/thunderbird-matrix-chat-faq says to Add a Chat Account in Account Actions and select Matrix in the Chat Account Wizard. However Matrix doesn't appear in the list of chat networks in the Wizard dialogue. What can I do?

I am using version 68.12.1 of Thunderbird.

Thanks in advance for any help.

Hi, Every time I search using Firefox (especially through the address bar or default search), SafeSearch is automatically enabled — even though I never turned it on and don’t want it. I’ve tried checking Firefox settings, search engine settings, and even my browser profile, but nothing seems to work.

I’m not sure if this is a browser setting, an issue with my account, or something being forced externally (like by Google or Bing).

Can someone tell me:

Why SafeSearch is always on?

How can I turn it off permanently?

Is this tied to Firefox itself or to the search engine provider?

Using latest Firefox version on Android 15.

Hello, I'm experiencing problems with the newest Firefox App for Android. Every time I minimalize the app and return back to Firefox pages keep autorefreshing. I have uBlock Origin instaled. I turned off battery saving for thr Firefox app.

T B 128.12 The Window which shows saved passwords is TOO SMALL. Cannot see the full entries. Also, the little 2 sided window to expand the entry does NOT work. As it is, it is practically useless.

I am interested in Firefox View, but I do not see that button on my toolbar (see attached image). When I search extensions I don't see that come up as an option. How do I add Firefox View?

Literally every single extensions I try to download says Installation aborted because the add-on appears to be corrupt. I don't know why because I just downloaded firefox.

I use the Menu Bar and discovered that when I select History and then right click one of the entries it no longer shows the small window which allows you to Open in a New Tab etc.

If I use the 3 bar option on the right hand side to Open application menu, then select History, then right click an entry, the small window I mentioned above opens as it used to when using the Menu Bar.

I have attached screenshots showing the issue when using the Menu Bar and also when I use the application menu on the right.

I have been using the Menu Bar option for years now so I can only assume that this issue has arisen after a previous update.

I am currently running Firefox 140.0.4 and this issue is there even when I disabled all themes & extensions and when I ran Troubleshoot Mode!

Hopefully a simple fix will resolve this.

See the image below, how do I prevent that black box showing up and showing anyone who uses my device my sensitive data? How is this not a common setting to be changed?

Very insecure and Horrible to have on by default. Recently switched to firefox from chrome because of security concerns but stuff like this is making me want to go back, because HOW IS THIS SAFE AND SECURE?!?!?!?

I've typed in passwords in boxes that arent really password boxes, and firefox has suggested my own password in plain sight like in the image below.

Strongly recommend firefox to not make this default and make it an accessible setting to disable because I've leaked my sensitive information to online calls because of this. This urgently needs to be addressed as a security concern. At least have a cogwheel button next to the black box to quickly disable this setting. Very very disappointed.