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The problem that is occurring with Firefox is one website American Airlines, I can not log in to my account with Firefox, however Chrome has no problem logging in. Running Windows 11 up to date Firefox 147.03 64 bit. below is the error message I get Access Denied You don't have permission to access "http://www.aa.com/homePage.do" on this server.

Reference #18.450c3417.1770423478.9f1ea295

https://errors.edgesuite.net/18.450c3417.1770423478.9f1ea295

Thanks for any help. Rick

Hi there, Just installed Thunderbird email. Before uninstalling Outlook 2016, I tried to forward some messages to Thunderbird, but Thunderbird will not show emabedded images or attached photos, regardless of format (JPG, WEBP or PNG) Example: Instead of the image embedded in the email, I got this: g:20260201194950ee722ec300f042669bef9585ca10p0eu&R=1KSFSC960P76L&T=O&U=https %3A%2F%2Fimages-eu.ssl-images-amazon.com%2Fimages%2FG%2F01%2Fnav%2Ftransp.gi f&H=8QFJAA9HOQ1LXLAKNXLPWFHXGSSA&ref_=pe_109088481_1104238771_opens>

I have Original HTML in Thunderbird settings, not changed anything. How do I resolve this? I appreciate your help

I'm a retired IT Tech and supported MS Outlook with Exchange for years. Lately I've tired of the constant bickering between Google and MS that just seem to make using Outlook at home difficult. I've been working on Migrating from MS Outlook to Thunderbird v147.0.1. I had a large PST file with Saved Items and it's been a struggle to process all that but finally got connected to Gmail, converted/imported the PST items and then began working on Calendar. Finally got all that working and I'm now having trouble getting Google Tasks connected to Thunderbird. Google doesn't seem to be exposing the Tasks feed via CalDAV. Has anyone run into this before and does anyone have any suggestions to resolve? Thanks.

When opening Firefox version 147 it asked if I wanted to install updates and after answering affirmative, then it gave "Error: Platform version '147.03' is not compatible with minversion >=147.02 maxversion <=147.02. Maybe try to reinstall Firefox?" The browser will not open. What is the workaround??

docx and xlsx attached files don't open with I click on them. I want them to open in Word and Excel. Nothing happens. I have to save them to my Desktop and then I can open them.

doc and xls attached files open when I click on them.

I can't find any associations in "files and attachments". 

I'm using version 140.7.0esr (64-bit)

Hi, I have googled this and been into the Thunderbird Help section and cannot find an answer. I am having trouble with one of my email accounts, I want to delete it and it and reinstall it. I get to the point in the process where it says to click on Remove Or Remove account but there is no tab or button that is visible to do this. Help here would be greatly appreciated. Regards Mark

I have ended up with five different calendars. They all have different names--probably because I really don't understand how Thunderbird organizes things in regard to the rest of the internet. Several people in our household share calendars, to keep track of events, tasks due, and medications.

So how do I consolidate all the entries in all of these calendars? I have tried syncing, but that doesn't seem to work. How can I know that when I enter a soccer schedule on (one of) my calendars, it will end up on the calendar that my wife uses to print out our family weekly schedule?

Hi, I'm a new user. I cannot send email. Receive is ok.

I get this prompt: Password required for outgoing (SMTP) Server mailhost.zen.co.uk So I add the password, but then I get this error: Login to server mailhost.zen.co.uk with username zen53214 failed. Retry - Enter new password - Cancel I add a new password (the one I use on the zen webmail portal) and I get this message: Sending of the message failed. Unable to authenticate to Outgoing server (SMTP) AUTH command not available at this time. Please check the password and verify the 'Authentication method' in 'Account Settings | Outgoing server (SMTP)'. The outgoing server setup is the following: Description: zen53214 Server name: mailhost.zen.co.uk Port: 857 Connection security: STARTTLS Authentication method: Normal Password User name: zen53214

There is a sync issue with zen email password but I cannot change it on the zen portal, because the password in ThunderBird doesn't have a special character and Zen will not let me change the existing password to one that doesn't have a special character.

What can I do to resolve? Please help. I'd like to stay with ThunderBird email.

Thanks!

Please return my Computer to using Firefox default as my browser as it was 2/01 /2026.Ive tried several times to do this w/o success . I was using windows 11 and have been trying to get rid of MS365 which I never used but have been charged for a solution , but have been blocked and refused cancellation after they asked me to change my email address and PW . Insanely confusing !

Thunderbird 143.0.1 eclipse.

Quite recently I noticed that, in the list of folders, I see 2 "Junk" folders.

On looking at the properties for 1 Junk folder the location is shown as "imap://*********%40gmail.com@imap.gmail.com/Junk",

but properties for the other shown as Junk locates as "imap://*********%40gmail.com@imap.gmail.com/Spam".

I've tried renaming that folder in Thunderbird to Spam but the change doesn't take effect.

What went wrong, and more importantly how can I rename it to see it as "Spam"?

tnx.

Mit meinem e-Mail Konto .gmx.de kann ich keine eingegangenen Mails mehr weiterleiten und auch keine neuen Nachrichten mehr versenden. Nach dem Betätigen "Senden" kommt immer der Hinweis "Postausgangsserver SMTP kann nicht authentifiziert werden.Überürüfe Passwort und gewählte Authentifiziermethode unter Kontoeistellungen " .Ich habe aber nichts verändert und weiß nicht was ich in Einstellungen überprüfen soll oder ändern soll.

I have just upgraded to Thunderbird 102.15.1 on my laptop and have a problem with right-click menus on folder names.

The menu appears for a brief instant and then disappears. If I move the mouse cursor slightly then it is redrawn and behaves normally.

Is this a known problem, i.e. requiring a further upgrade?

Good morning. I opened up Firefox this morning and all 4 rows of shortcuts were missing. I have gone into settings and made sure the settings for 4 rows was still the same. I cannot find them anywhere. Please help

After the last system update, I now am being asked to enter my "Primary password", every time I open a new page. When I try entering a password , it is not recognized and I have to click on cancel in order to proceed. I have used what I recall was my password but it is recognized, but I don't get a message telling me it is the wrong password. How can I get back to the previous version that did not ask for my Password. Is that an option?

Hello, Having followed the advice as under: If you've previously made use of Firefox Sync, please make sure you're signed into your Mozilla account and have enabled Bookmarks within your Sync settings, because Firefox will automatically download any available data from our sync servers as long as you are logged into the account you used to sync.

Additionally, please consider that if your bookmarks are still available in the local storage of another device, signing into Sync on these devices will let you upload this account data and make your data accessible on any other devices you enable Sync on.

Andd checking the the Bookmarks tick-box was checked [as was last attempt] I tried to sign in to open the required page, but got 2 x 'error' windows, as attached, one for enail address [been using this for 2 yaers] and the other for password [how did I get this page up with the wrong password??]

I'm obviously a very dim Brit . . . . . please would you advise me as clearly as possible about whatv the heck is going wrong, thanx Kr CB

Before the new profiles update in Firefox I was using the old version of creating profiles and I want to move that profile into the new profile method. Is that possible?