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My option for night mode to invert the colors for websites has suddenly disappeared from the menu. If I go to settings I can turn on dark mode but it does not work for a lot of websites. How can I get night mode back?

Starting on June 1, when I tried to use Thunderbird, I have to log into my Gmail account. I enter my email address and password and the next screen states: "Sign in with Google", which I do. The last screen in the process is "Mozilla Thunderbird Email wants to access your Google Account". I click on Allow and then the following message appears: "Authentication failure while connecting to server imap.google.com"

When I go back to Thunderbird and click on "Get Messages", I am put back into the Login loop, including 2- Step Verification..

I've used Troubleshoot Mode, I've cleared the startup cache, but neither has resolved the problem.

More Troubleshooting Information

Application Basics Name Thunderbird Version 91.10.0 Build ID 20220525135609 Distribution ID Update Folder C:\ProgramData\Mozilla\updates\D78BF5DD33499EC2 Update History Update Channel release User Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.10.0 OS Windows_NT 10.0 19044 Application Binary C:\Program Files\Mozilla Thunderbird\thunderbird.exe Profile Folder C:\0-TBird\Profiles\jsxynuvz.default (Local drive) Build Configuration about:buildconfig Memory Use about:memory Performance about:performance Registered Service Workers about:serviceworkers Third-party Modules about:third-party Launcher Process Enabled Multiprocess Windows 0/0 Fission Windows 0/0 Disabled by default Remote Processes 3 Enterprise Policies Inactive Google Location Service Key Missing Google Safebrowsing Key Missing Mozilla Location Service Key Missing Safe Mode false Profiles about:profiles Telemetry Data about:telemetry Mail and News Accounts ID Name Incoming server Outgoing servers Name Connection security Authentication method Identity Name Connection security Authentication method Default? account1 [user name]@hotmail.com (pop3) pop3.live.com:995 SSL/TLS Normal password Wes <[user name]@hotmail.com> smtp.live.com:587 STARTTLS Normal password true account2 Local Folders (none) Local Folders None Normal password account4 [user name]@gmail.com (imap) imap.gmail.com:993 SSL/TLS OAuth2 "[my name]" <[user name]@gmail.com> smtp.googlemail.com:465 SSL/TLS OAuth2 true

I can use account1 - [user name]@hotmail.com (download, read, delete, messages), but I no access to account4 - [user name]@gmail.com. I have no idea what account2 - Local Folders relates to.

On June 2 during a 2-1/2 hour unproductive session with a good computer technician I've been using for probably 10 years, Security Alerts were sent to account1 - [user name]@hotmail.com (as set up as a security step in Gmail): "2-Step Verification turned on", "App password created to sign in to your account", "App password used to sign in was removed", etc.

I have personally spent over 8 hours over the past 3 days exploring solutions suggested to other users with a similar problem but nothing has helped.

I have checked for stored passwords; there are none.

Please let me know if you need more information.

Thank you very much for you help! I will save whatever is left of my sanity!

Hi, I have several issues regarding signatures -

1) how do i make a signature consisting of some text as well as an image - i have created my signature in a new email, saved it as a HTML file and used it as a file for my signature..

2) but when i create a new email - it shows for like a 1 second and then disappears.. doesnt appear in replies or forwards..

3) i tried to instead just use an image as a signature.. again just shows up for 1 second in replies and forwards and disappears..

have set all settings as instructed in the various answers in the forums..

Please assist. Thanks

My thunderbird works okay, but when I select emails from imbox folder to delete it takes too long. I researched to find the problem and the only option I found was to add an exclusion to the profile folder on my windows security antivirus. Now I can select emails from the imbox and delete them without a problem, but my concern is if I will be vulnerable to virus.

I have made many attempts to move Thunderbird from my old Windows machine to my new one. The old machine was running Windows 8.1, the new one is Windows 11. I've exported, then imported using all the different ways listed but can't get all the data. I've had some success doing it one account at a time including my address book and accounts setup information and they are working properly but can't get the folder data for my accounts or any Local Folders for some reason. I don't want to mess up what I've been able to successfully migrate so I'm reluctant to doing a mass migration again. Is there a way I can migrate doing it one folder at a time without messing up the other ones?

Thunderbird’s connection to one of my gmail accounts failed today.

I removed the account and then tried to add it again to Thunderbird.

When logging in using a Google generated App password, I receive the following message:

"400. That’s an error. The server cannot process the request because it is malformed. It should not be retried. That’s all we know."

OAuth2 is in place, and I’ve carried out all other recommended checks I can find on your website. My other Gmail accounts are working fine.

Please can you help? Many thanks.

After the latest update (117.0 64-bit) I now do not see the '+' sign in the tab bar. I have 40 tabs open (please, no negativity - it's always worked for me), but if I close all of the tabs it reappears. Re-open the original 42 tabs and it's gone again. Close them and it reappears, etc. Now for the fun bit: starting from scratch with a new window - the '+' is there, but open 20 more tabs and it goes.

Being a decade user of Firefox I must say that I started to hate it because the last editions hide the choice for enabling or disabling javascript. The stupid comand "about:config" leads nowhere and all previous answers are absurd. Why Mozilla decided to hide the option " turn on / turn off" javascript? It turned a previously great navigator into a stupid user unfriendly useless software. I use the internet for over 40 years and Firefox has always been my favourite. What obscure financial reasons made developers decide to hide the simple option of earlier editions? Please put back the "on/off" option for javascript. Untill then I'll use Chrome.

I had to add Javascript because one of my accounts need Javascript to open. After installing Javascript and allowing for all to be 'true', I still get this message when I try to open a 'show blocked content' in my email.

"The address wasn’t understood

Firefox doesn’t know how to open this address, because one of the following protocols (javascript) isn’t associated with any program or is not allowed in this context.

   You might need to install other software to open this address."

I never had any problem before installing Javascript. Thanks for any solutions.

I can't send emails out of Thunderbird but can receive them, not sure what to do? Is there a phone number I can call with Thunderbird for help? I'm not that savvy with all this.

Background:

I regularly work with old modem/router at my work sites. I usually use Firefox on PC to access the management page. Sometimes, I like to check by the sites with only my phones, to mess with the configs in the modem.

I cannot access the local IP address (https://192.168.10.1/) because of the TLS requirement is too high (SSL/TLS 1.3). I need to lower the TLS version inabout:config to 1.1. I couldn't access the about:config on Firefox Android.

I have tapped 5 times on the Firefox logo to enable to Debug page, but changing TLS requirement is NOT there.

Question: Where is the setting for security.tls.version.min in Firefox Android 120.0?

When I open Firefox it's just a black page and anything I click on isn't responsive. I can't go into options or anything. Sometimes Firefox doesn't even load. It worked fine earlier than all of a sudden It stopped working today. Web pages don't load. Nothing works

I seen a post earlier that had a link to a supposed fix but I couldn't figure it out. So if anybody is able to help me it would be much appreciated. I am not an advanced user when it comes to Firefox

Yesterday I tried the 115 (Supernova) and I was disappointed because of the toolbar on top of the TB window: I think that you should let the user choose where put any toolbar, and I didn't find the way to move in its "classical" place (not at top but below the menu). There is a way to do it? And if not, please consider to give it as soon as possible.

I went to settings and set firefox to open links in a NEW TAB instead of a new window, but it still opens links in a new window. I did a search on google and when I click on the link for the website to see the information it is still opening in a new window. How can I fix this so I don't have a lot of new windows. It's irritating to have to close all those stinking windows just to get back to my original window. I just want the links I click on to open in a new tab.

I have forgotten my Gmail account password Gmail account has been deleted from my mobile. There was no recovery email and phone number in my gmail account. Now I want to recover my [edited] @gmail.com gmail account. Please help me

On 30 May, you may lose access to apps that are using less secure sign-in technology

To help keep your account secure, Google will no longer support the use of third-party apps or devices which ask you to sign in to your Google Account using only your username and password. Instead, you’ll need to sign in using Sign in with Google