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It is no longer possible to install thunderbird and configure emails to work

  • 7 replies
  • 0 have this problem
  • Last reply by Toad-Hall

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No emails configure correctly in new installs

No emails configure correctly in new installs

All Replies (7)

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Nor could I transfer profile from other computer, so no more Thunderbird?


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None of emails configure correctly in new install of Thunderbird on my 2nd W10, (upgraded unfortunately from W8.) Nor could I transfer my profile from main computer to my internet computer as it only wants me to set up emails which always configure incorrectly. So no more Thunderbird?

Thunderbird still works on my main W10, but I am afraid to take it online now, because it has been getting blue screen crashes from forced upgrade attempts to W11. So I wish I could copy that install of Thunderbird to my internet computer.

Thank you for any advice


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Make sure you have same Thunderbird version on the new as you are already using on the old.

IF Your old computer is using Thunderbird 91.11.0 (64bit)

On old computer - main computer:

  • Exit Thunderbird if it is running.
  • In bottom search type : %Appdata% and select the 'Appdata' file folder option
  • Select 'Roaming'
  • Copy the 'Thunderbird' folder to an external Device for moving to new computer.

See image below as guide.

On new computer - 2nd W10, (upgraded unfortunately from W8.): Install same version : get it from this link - you may have already done this. But if you downloaded 102*, then uninstall it.

Get same download as using on old computer. If you're using the American English (en-US) version use this link.

Else use this to get correct language & version:

Select the version: eg: 91.11.0 Click on 'win64' Then choose language eg: 'en GB' is English British Then click on 'Thunderbird Setup 91.11.0.exe ' to download file. It may auto download to your 'Downloads' folder. Run to install

Install program, but do not run it.

  • Exit Thunderbird if it is running.
  • In bottom search type : %Appdata% and select the 'Appdata' file folder option
  • Select 'Roaming'
  • This time Delete the 'Thunderbird' folder
  • Paste the 'copied' 'Thunderbird' folder from external drive into the 'Roaming' folder. Thus replacing the one you deleted.
  • Start Thunderbird.

Modified by Toad-Hall


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Great advice, but.... none of it solved microsoft and google/android altogether rejecting thunderbird as an email client in any form or shape. And I now get the same error on my old computer too, as if my old profile has been locked or erased. It still has a size, but cannot be opened. sigh. These July 1st 2022 updates on all platforms have made me very anti update of any type. The error I get now is:


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wdhc said

The error I get now is:

Sorry, but that web site does not exist for me. Perhaps you could expand on what exactly that error looks like when it appears because really it offers no useful information as to where it comes from even.

The latest version has a profile import on the tools menu, but it does not sound like you are using that.

Configuring accounts all over in a new profile is never my preferred option as it always missed the address book. But again I have nothing as to what error you get when your try and do that.

Generally however problems setting up account come down to security software interfering, third party anti virus being a prime culprit. Blocked cookies or disallowed of JavaScript in Thunderbird form the core of oAuth authentication issues. Neither of which are defaults.


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re:none of it solved microsoft and google/android altogether rejecting thunderbird as an email client in any form or shape.

1. Have you accessed the Firewall and set up Thunderbird as an allowed program ? If no then please set it as allowed otherwise the Firewall will block access to the internet.

2. What anti-Virus are you using?

3. You mention 'microsoft' - are you talking about accessing the 'outlook' server ? You mention 'google' so do you have a gmail email address ? It would be helpful if you posted the following:

  • Menu icon > Help > More TRoubleshooting Information
  • Under 'Mail and News Accounts' section.
  • Copy all the data and post the information into this forum question orpost an image showing everything in that section

There have been a lot of changes recently forced by various servers in an attempt to improve security eg: gmail - you now need to use Authentication Method : OAuth for both sending and receiving. So we need to see if you are using the correct server settings. So please post that info.

4. Do you have cookies enabled in Thunderbird ? They need to be enabled to allow OAuth token to get created. Please check:

  • Menu icon > Preferences/ Settings > Privacy & Security
  • Under 'Web Content'
  • Select 'Accept cookies from sites'

Confirm you have the above set up.

5. Do you have any VPN operating? If yes, switch it off. Do you have any programs that use localhost eg: Apache ? If yes, please switch it off. You can switch it on again later once the token is set up.

6. re : The error I get now is: I'm with Matt on this. It would be helpful if you could say when you get that error and post an image of it.


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Had a thought - is that error something like this 'Thunderbird cannot load XPCOM error' ? XPCOM stands for Cross-Platform Component Object Model.

which computer has that XPCOM error - the main W10 or the 2nd W10 ?

You need to tell us some information because otherwise I'm continually guessing.

re : you mention "Thunderbird still works on my main W10" - "Thunderbird on my 2nd W10 You have not mentioned - What version of Thunderbird is running on both computers ?

Where is the 'Mozilla Thunderbird' program installed on main W10 ? It should be installed in one of these locations either 'Program Files' or 'Program Files (x86)'

  • C:\Program Files\Mozilla Thunderbird\
  • C:\Program Files (x86)\Mozilla Thunderbird\

But which location? This will tell us whether you originally used a Thunderbird win32 or win64 version.

Is the Thunderbird program installed in the same location on the 2nd W10 ?

Modified by Toad-Hall


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