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Thunderbird is not loaded and can not be found

I have downloaded Thunderbird from official Mozilla homepage. It seems to be installed correct. I got the icon and a question : should we start Thunderbird now. I answer … (читати далі)

I have downloaded Thunderbird from official Mozilla homepage. It seems to be installed correct. I got the icon and a question : should we start Thunderbird now. I answer yes. Then I get the message : Thunderbird is not found ? but I have just loaded it ? I am running windows 11 and I have got newest upgrade.

Hope you can help me out. Thx in advance. Regards Thorvald Antvorskov

PS I also have a PC running Linux Mint. Loading Thunderbird here was no problem.

Запитання від Thorvald Antvorskov 6 днів тому

Відповідь від david 4 дні тому

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Download/Install Problem

New computer, trying to install Thunderbird. "Download" created a file called Unconfirmed 750544.crdownload which isn't executable and doesn't seem to do anything. How … (читати далі)

New computer, trying to install Thunderbird. "Download" created a file called Unconfirmed 750544.crdownload which isn't executable and doesn't seem to do anything. How do I proceed to do an installation?

Запитання від dshein1 4 дні тому

Відповідь від Lin 4 дні тому

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Thunderbird - switching from ESR to release channel installation issue.

I'm trying to switch from Thunderbird ESR (140.8.0esr) to release (148.0). Following the Mozilla support recommendation I'm running the 148.0 setup and trying to install … (читати далі)

I'm trying to switch from Thunderbird ESR (140.8.0esr) to release (148.0). Following the Mozilla support recommendation I'm running the 148.0 setup and trying to install it to the same directory. While doing so I'm asked to restart the computer. After doing so I'm required to restart setup but continuously asked to reboot the computer. is there a zip version of the installation? if not How to overcome the restart issue?

Запитання від rd2k11 6 днів тому

Відповідь від christ1 5 днів тому

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Thunderbird SuperNova on 32 bit Win 7 machine

I am trying to re-install Thunderbird on my wife's old Gateway desktop. I downloaded version 115.18.0 and tried to install it, but get a message saying it can't be instal… (читати далі)

I am trying to re-install Thunderbird on my wife's old Gateway desktop. I downloaded version 115.18.0 and tried to install it, but get a message saying it can't be installed because my OS is 32 bit. I thought the SuperNova would work for both 64 and 32 bit OS platforms. (It does work on my Toshiba laptop, which is a 64 bit Win 7 machine.) If this version of Thunderbird will not work, what about the last version that will. It was installed years ago. Thanks, Peter

Запитання від timan 1 тиждень тому

Відповідь від timan 1 тиждень тому

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"Couldn't load XPCOM" repercussions!

Okay, I currently have two issues going on, both repercussions from transferring Thunderbird to my new computer. I'll limit this post to one issue! My transfer to the new… (читати далі)

Okay, I currently have two issues going on, both repercussions from transferring Thunderbird to my new computer. I'll limit this post to one issue!

My transfer to the new computer was not taking; followed instructions but no profiles were loading. I thought that perhaps this was due to my initial problematic installation of T-bird decades ago, where I eventually wound up with a choose-user-profile panel that worked fine with its default setting...so I lived with that easily (see image). Thinking that this was causing the inability to load profiles on the new machine, I tested whether I could delete the never-used profiles in that panel. After just one deletion, that resulted in the "Couldn't load XPCOM" error described here: https://support.mozilla.org/en-US/questions/1360766 Following the instructions on that page to do a repair installation (to the letter), starting T-bird now results in the attached "profile missing or inaccessible" message.

Please advise: Am I doomed?

Thanks for any honest advice. (yes, my Thunderbird installation is big: seven or eight addresses, many local folders, a large history and archives.)

Запитання від motoflex 1 тиждень тому

Відповідь від david 1 тиждень тому

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Why do i keep getting asked for a donation but never get the product downloaded?

Thunderbird has turned into a scam. Each time I try to download it for windows it takes me back to the donation page. I am on my third donation but it never trys to inst… (читати далі)

Thunderbird has turned into a scam. Each time I try to download it for windows it takes me back to the donation page. I am on my third donation but it never trys to install.

Запитання від John Monsen 3 тижні тому

Відповідь від Wayne Mery 3 тижні тому

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Unknown mail service detected during Thunderbird installation

During the installation of Thunderbird I have received the following message: "The follwing settings were found at your email provider: mail.your-server.de“ This is NOT m… (читати далі)

During the installation of Thunderbird I have received the following message:

"The follwing settings were found at your email provider:

mail.your-server.de

This is NOT my current email provider!!

What does this mean??

Запитання від oliver.kirschnek 1 місяць тому

Відповідь від sfhowes 1 місяць тому

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Thunderbird won't install

I'm trying to install Thunderbird on a Macbook - macOS Tahoe 26.2 I've made a donation but Thunderbird won't download. I did not get any error messages, in fact nothing h… (читати далі)

I'm trying to install Thunderbird on a Macbook - macOS Tahoe 26.2 I've made a donation but Thunderbird won't download.

I did not get any error messages, in fact nothing happened.

Запитання від hello323 1 місяць тому

Відповідь від Mapenzi 1 місяць тому

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thunderbird email installation issues

Just after installation, and before going any further like adding the email account, ; google: Error 400 "the server cannot process the request because it is malformed. … (читати далі)

Just after installation, and before going any further like adding the email account, ; google: Error 400 "the server cannot process the request because it is malformed. It should not be retried. That's all we know"

Запитання від Altona 1 місяць тому

Відповідь від david 1 місяць тому

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Thunderbird istallation

I am trying to download Thunderbird on my PC. I donated to Mozilla yesterday. When I try to install it asks for another donation.

Запитання від johnwvanlint 2 місяці тому

Відповідь від Lin 2 місяці тому

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I need to revert to a previous version of Thunderbird that supports image resizing. Dropbox etc are not a viable solution I'm afraid.

Please send me a link to revert my Thunderbird version to one that supports image attachments resizing. Current version does not and there is no compatible add-on for it… (читати далі)

Please send me a link to revert my Thunderbird version to one that supports image attachments resizing. Current version does not and there is no compatible add-on for it.

Запитання від boucharddd 7 місяців тому

Відповідь від sfhowes 7 місяців тому

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Unable to download TB Setup 146.9.exe My fault, I aborted the download when it was taking so long. Too late realized that was normal. When I try again TB asks for second donation. What should I do?

Unable to download TB Setup 146.9.exe My fault, I aborted the download when it was taking so long. Too late realized that was normal. When I try again TB asks for sec… (читати далі)

Unable to download TB Setup 146.9.exe My fault, I aborted the download when it was taking so long. Too late realized that was normal. When I try again TB asks for second donation. What should I do?bold text

Запитання від cindysdad 2 місяці тому

Відповідь від christ1 2 місяці тому

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Need Thunderbirdversion 102.13.1

I need to download Thunderbird version 102.13.1 (for compatibility needs). I had downloaded it, but just got a new computer and need to download again. For some reaso… (читати далі)

I need to download Thunderbird version 102.13.1 (for compatibility needs). I had downloaded it, but just got a new computer and need to download again. For some reason, I can't seem to find it now. need help to find it again! :(

Запитання від Daun 2 місяці тому

Відповідь від sfhowes 2 місяці тому

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Apple iOS26 and Thunderbird mail

Have used the SeaMonkey suite for my email since Netscape. It seems the latest version SeaMonkey will not work with Apple’s latest OS on my MacBook Air, and is unlikely t… (читати далі)

Have used the SeaMonkey suite for my email since Netscape. It seems the latest version SeaMonkey will not work with Apple’s latest OS on my MacBook Air, and is unlikely to be modified to work. So, my plan was to use Thunderbird, but when I Google to see if it (Thunderbird) is compatible I get an AI generated message that the Thunderbird team is working on a new Apple compliant version. Searching this forum I can find no reference to any Apple compatible version. Anyone with updates on Thunderbird versions that will work on my MacBook Air and the macOS Tahoe Currently happy enough with macOS Sonoma and SeaMonkey, but the nags to upgrade are annoying Thank you for your time Cheers Ralph

Запитання від Ralph Varney 3 місяці тому

Відповідь від Ralph Varney 3 місяці тому

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Migrate from one mac to another, and thunderbird is broken

I migrated one mac, which was intel based, to another, which is M4. It all went fine. I have the same versions of OS and Thunderbird on each, before the migration. The ne… (читати далі)

I migrated one mac, which was intel based, to another, which is M4. It all went fine. I have the same versions of OS and Thunderbird on each, before the migration. The new machine is a 2025 Mac Studio. The old machine is a 2018 Mac Mini, 6 core Intel Core.15

On the old machine in Thunderbird, under my user, all my files are listed. On the new machine, files are not listed.

I saw a lot of information/suggestions to replace the Profile folder under: USER/Library/Thunderbird/Profiles And I copied it straight over from the old machine, with negative results.

I did notice that under profiles, it continues: m8mojurw.default-esr/Mail/Local Folders/ where there are some other goodies, some of which are "documents".

however, on the new machine, those same files are there, except they are "unix executable files"

I have migrated many times over the years and this hasn't happened.

I have done all of the suggestions I found so far, such as the Profile copy/past, reinstalled Thunderbird from scratch, looked thru comparisons of the Account Settings....

Oh, a couple more things:

If I look under my user and go to "Account settings" then "copies & folders" to looks different on the 2 machines. The old machine has: a check next to "Place a copy in" and under that a dot for "Sent folder on:" and my user name. On the new machine there is: "Place a copy in" and I cannot write into the "sent folder on" space, I can only select Choose and Account -> Local files as if the user doesn't exist (?) Thanks

Запитання від minusetopii 3 місяці тому

Відповідь від minusetopii 3 місяці тому

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thunderbird on windows 10

I am trying to install Thunderbird on a computer with windows 10 pro but install gives a message cannot install require a minimum of windows 10 but I do have that. what c… (читати далі)

I am trying to install Thunderbird on a computer with windows 10 pro but install gives a message cannot install require a minimum of windows 10 but I do have that. what can I do please. Regards Neil.

Запитання від greenrover100 3 місяці тому

Відповідь від James 3 місяці тому