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My computer has not worked for nine months.

I've been looking at my e-mail on my phone (not in Thunderbird for Android, which pretended to send my messages but didn't). I want it on my computer.

I didn't want to do that right away, but it looks like Thunderbird started doing that automatically when I launched it. It successfully got my small account, of course, but not my big one.

It's been stuck on this for more than 12 hours. (See image. My apologies, I've forgotten how to embed them.)

Is it safe to shut the process down? Whether it is or isn't, what do I do next?

My computer is a MacBook Pro (13-inch, Mid 2012), running OS X.15 (Catalina), with Thunderbird 140.0.1esr (64-bit). The process started before I could upgrade to 149esr.

Thank you for any help you can give me!

UPDATE, 4/11, 8PM EDT: No change. . . .

Am trying to import seamonkey profile data in to Thunderbird, but keep getting error messages: am using win 11 anddownloaded latest TB exe yesterday. mail.import: Path Profiles/4wd1drzq.default is incorrect; isRelative=true SeamonkeyProfileImporter.sys.mjs:67:22 and This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “”. SeamonkeyProfileImporter.sys.mjs . Have found this: /* This Source Code Form is subject to the terms of the Mozilla Public

* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs"; import { ThunderbirdProfileImporter } from "resource:///modules/ThunderbirdProfileImporter.sys.mjs";

/**

* A module to import things from a seamonkey profile dir into the current
* profile.
*/

export class SeamonkeyProfileImporter extends ThunderbirdProfileImporter {

 NAME = "SeaMonkey";

 /** @see BaseProfileImporter */
 async getSourceProfiles() {
   const slugs = {
     win: ["AppData", "Mozilla", "SeaMonkey"],
     macosx: ["ULibDir", "Application Support", "SeaMonkey"],
     linux: ["Home", ".mozilla", "seamonkey"],
   }[AppConstants.platform];
   if (!slugs) {
     // We don't recognize this OS.
     return [];
   }

   const seamonkeyRoot = Services.dirsvc.get(slugs[0], Ci.nsIFile);
   slugs.slice(1).forEach(seamonkeyRoot.append);
   const profilesIni = seamonkeyRoot.clone();
   profilesIni.append("profiles.ini");
   if (!profilesIni.exists()) {
     this._logger.debug(
       "No SeaMonkey profile found in the well known location."
     );
     return [];
   }

   const profiles = [];
   const ini = Cc["@mozilla.org/xpcom/ini-parser-factory;1"]
     .getService(Ci.nsIINIParserFactory)
     .createINIParser(profilesIni);
   for (const section of ini.getSections()) {
     const keys = [...ini.getKeys(section)];
     if (!keys.includes("Path")) {
       // Not a profile section.
       continue;
     }

     const name = keys.includes("Name")
       ? ini.getString(section, "Name")
       : null;
     const path = ini.getString(section, "Path");
     const isRelative = keys.includes("IsRelative")
       ? ini.getString(section, "IsRelative") == "1"
       : false;

     let dir;
     try {
       if (isRelative) {
         dir = seamonkeyRoot.clone();
         dir.appendRelativePath(path);
       } else {
         dir = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
         dir.initWithPath(path);
       }
     } catch (ex) {
       this._logger.warn(
         `Path ${path} is incorrect; isRelative=${isRelative}`
       );
       continue;
     }
     if (!dir.exists()) {
       this._logger.warn(`${dir.path} does not exist`);
       // Not a valid profile.
       continue;
     }
     profiles.push({ name, dir });
   }
   return profiles;
 }

} Thank you

Hello -- I'm hoping someone will be able to help!

I'm running Thunderbird 140.9.1esr (32-bit) on Windows 10 Pro version 22H2 (OS Build 19045.6466) with an Intel Core i7 processor.

Thunderbird suddenly started crashing repeatedly since yesterday. It ran long enough for me to install version 140.9.1esr, but still crashes repeatedly within a couple minutes of running the application, even if I don't do anything such as trying to reply to a message.

Please see below what I get in the Windows Event Viewer, pretty much the same for each crash. I have also pasted the contents of the following file (the others mentioned above don't exist).

C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppHang_thunderbird.exe_5d8d3f9d863d0b28eacbd2a393cdc3d04ef559_c250478b_deffcb88-26f8-4204-bffd-7e6fd5a2ea88

I've gone to Troubleshooting Information, I've "cleared startup cache", I've tired "Troubleshoot Mode" and still Thunderbird crashes. There's nothing in Crash Reports.

Any help would be truly appreciated!

Best regards,

Miles Montelius

==========

The program thunderbird.exe version 140.9.1.0 stopped interacting with Windows and was closed. To see if more information about the problem is available, check the problem history in the Security and Maintenance control panel.

Process ID: 2fe4
Start Time: 01dcc9b06a74fe27
Termination Time: 19
Application Path: C:\Program Files (x86)\Mozilla Thunderbird\thunderbird.exe
Report Id: 1f27bed4-950e-4cf2-b2be-0e17b3c5bff0
Faulting package full name: 
Faulting package-relative application ID: 
Hang type: Unknown

===========

Fault bucket 2206417569010378635, type 5 Event Name: AppHangB1 Response: Not available Cab Id: 0

Problem signature: P1: thunderbird.exe P2: 140.9.1.0 P3: 69d0a82a P4: aa1e P5: 134217728 P6: P7: P8: P9: P10:

Attached files: \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER1ECA.tmp.WERInternalMetadata.xml \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER1EDB.tmp.xml \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER1EE9.tmp.csv \\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER1F19.tmp.txt \\?\C:\Users\Miles\AppData\Local\Temp\WER2554.tmp.appcompat.txt

These files may be available here: \\?\C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppHang_thunderbird.exe_5d8d3f9d863d0b28eacbd2a393cdc3d04ef559_c250478b_deffcb88-26f8-4204-bffd-7e6fd5a2ea88

Analysis symbol: Rechecking for solution: 0 Report Id: 1f27bed4-950e-4cf2-b2be-0e17b3c5bff0 Report Status: 268435456 Hashed bucket: 6bb25f0f2ae99d39de9ec516c30b678b Cab Guid: 0

================================= Report.wer

Version=1 EventType=AppHangB1 EventTime=134203853995104936 ReportType=3 Consent=1 UploadTime=134203854012764044 ReportStatus=268435456 ReportIdentifier=deffcb88-26f8-4204-bffd-7e6fd5a2ea88 IntegratorReportIdentifier=1f27bed4-950e-4cf2-b2be-0e17b3c5bff0 Wow64Host=34404 Wow64Guest=332 NsAppName=thunderbird.exe OriginalFilename=thunderbird.exe AppSessionGuid=00002fe4-0001-0089-27fe-746ab0c9dc01 TargetAppId=W:00069140475b22fa6eb7e8a09288ccaa9eed00000000!0000296d4ceec558ce2477919ca1d55d16c4eb0ece48!thunderbird.exe TargetAppVer=2026//04//04:05:56:58!6df25!thunderbird.exe BootId=4294967295 TargetAsId=1039 IsFatal=1 EtwNonCollectReason=1 Response.BucketId=6bb25f0f2ae99d39de9ec516c30b678b Response.BucketTable=5 Response.LegacyBucketId=2206417569010378635 Response.type=4 Sig[0].Name=Application Name Sig[0].Value=thunderbird.exe Sig[1].Name=Application Version Sig[1].Value=140.9.1.0 Sig[2].Name=Application Timestamp Sig[2].Value=69d0a82a Sig[3].Name=Hang Signature Sig[3].Value=aa1e Sig[4].Name=Hang Type Sig[4].Value=134217728 DynamicSig[1].Name=OS Version DynamicSig[1].Value=10.0.19045.2.0.0.256.48 DynamicSig[2].Name=Locale ID DynamicSig[2].Value=2057 DynamicSig[22].Name=Additional Hang Signature 1 DynamicSig[22].Value=aa1ee6b70f5730e6b2c3407f0286853a DynamicSig[23].Name=Additional Hang Signature 2 DynamicSig[23].Value=d531 DynamicSig[24].Name=Additional Hang Signature 3 DynamicSig[24].Value=d5313f546285bab3fbd31e098595851c DynamicSig[25].Name=Additional Hang Signature 4 DynamicSig[25].Value=aa1e DynamicSig[26].Name=Additional Hang Signature 5 DynamicSig[26].Value=aa1ee6b70f5730e6b2c3407f0286853a DynamicSig[27].Name=Additional Hang Signature 6 DynamicSig[27].Value=d531 DynamicSig[28].Name=Additional Hang Signature 7 DynamicSig[28].Value=d5313f546285bab3fbd31e098595851c UI[3]=Thunderbird is not responding UI[4]=If you close the program, you might lose information. UI[5]=Close the program UI[6]=Close the program UI[7]=Close the program LoadedModule[0]=C:\Program Files (x86)\Mozilla Thunderbird\thunderbird.exe LoadedModule[1]=C:\WINDOWS\SYSTEM32\ntdll.dll LoadedModule[2]=C:\WINDOWS\System32\KERNEL32.DLL LoadedModule[3]=C:\WINDOWS\System32\KERNELBASE.dll LoadedModule[4]=C:\WINDOWS\System32\USP10.dll LoadedModule[5]=C:\WINDOWS\System32\ADVAPI32.dll LoadedModule[6]=C:\Program Files (x86)\Mozilla Thunderbird\mozglue.dll LoadedModule[7]=C:\WINDOWS\System32\msvcrt.dll LoadedModule[8]=C:\WINDOWS\System32\sechost.dll LoadedModule[9]=C:\WINDOWS\System32\RPCRT4.dll LoadedModule[10]=C:\WINDOWS\System32\bcrypt.dll LoadedModule[11]=C:\WINDOWS\System32\ucrtbase.dll LoadedModule[12]=C:\Program Files (x86)\Mozilla Thunderbird\VCRUNTIME140.dll LoadedModule[13]=C:\WINDOWS\System32\CRYPT32.dll LoadedModule[14]=C:\Program Files (x86)\Mozilla Thunderbird\MSVCP140.dll LoadedModule[15]=C:\WINDOWS\System32\GDI32.DLL LoadedModule[16]=C:\WINDOWS\SYSTEM32\CRYPTBASE.dll LoadedModule[17]=C:\WINDOWS\System32\win32u.dll LoadedModule[18]=C:\WINDOWS\System32\gdi32full.dll LoadedModule[19]=C:\WINDOWS\System32\msvcp_win.dll LoadedModule[20]=C:\WINDOWS\System32\USER32.dll LoadedModule[21]=C:\WINDOWS\System32\IMM32.DLL LoadedModule[22]=C:\WINDOWS\System32\bcryptPrimitives.dll LoadedModule[23]=C:\Program Files (x86)\Mozilla Thunderbird\nss3.dll LoadedModule[24]=C:\WINDOWS\SYSTEM32\WSOCK32.dll LoadedModule[25]=C:\WINDOWS\System32\WS2_32.dll LoadedModule[26]=C:\Program Files (x86)\Mozilla Thunderbird\gkcodecs.dll LoadedModule[27]=C:\Program Files (x86)\Mozilla Thunderbird\lgpllibs.dll LoadedModule[28]=C:\Program Files (x86)\Mozilla Thunderbird\xul.dll LoadedModule[29]=C:\WINDOWS\System32\shcore.dll LoadedModule[30]=C:\WINDOWS\System32\combase.dll LoadedModule[31]=C:\WINDOWS\System32\WINTRUST.dll LoadedModule[32]=C:\WINDOWS\SYSTEM32\ktmw32.dll LoadedModule[33]=C:\WINDOWS\SYSTEM32\VERSION.dll LoadedModule[34]=C:\WINDOWS\SYSTEM32\PROPSYS.dll LoadedModule[35]=C:\WINDOWS\SYSTEM32\ncrypt.dll LoadedModule[36]=C:\WINDOWS\System32\MSASN1.dll LoadedModule[37]=C:\WINDOWS\SYSTEM32\NTASN1.dll LoadedModule[38]=C:\WINDOWS\SYSTEM32\ntmarta.dll LoadedModule[39]=C:\WINDOWS\SYSTEM32\kernel.appcore.dll LoadedModule[40]=C:\WINDOWS\system32\uxtheme.dll LoadedModule[41]=C:\WINDOWS\System32\OLEAUT32.dll LoadedModule[42]=C:\WINDOWS\System32\psapi.dll LoadedModule[43]=C:\WINDOWS\SYSTEM32\dwrite.dll LoadedModule[44]=C:\WINDOWS\SYSTEM32\dbghelp.dll LoadedModule[45]=C:\WINDOWS\SYSTEM32\dbgcore.DLL LoadedModule[46]=C:\WINDOWS\System32\SHELL32.dll LoadedModule[47]=C:\WINDOWS\System32\windows.storage.dll LoadedModule[48]=C:\WINDOWS\System32\Wldp.dll LoadedModule[49]=C:\WINDOWS\System32\shlwapi.dll LoadedModule[50]=C:\WINDOWS\System32\ole32.dll LoadedModule[51]=C:\WINDOWS\SYSTEM32\profapi.dll LoadedModule[52]=C:\WINDOWS\SYSTEM32\WINMM.dll LoadedModule[53]=C:\WINDOWS\System32\clbcatq.dll LoadedModule[54]=C:\WINDOWS\system32\napinsp.dll LoadedModule[55]=C:\WINDOWS\system32\pnrpnsp.dll LoadedModule[56]=C:\Windows\System32\Windows.UI.dll LoadedModule[57]=C:\Windows\System32\WindowManagementAPI.dll LoadedModule[58]=C:\Windows\System32\InputHost.dll LoadedModule[59]=C:\Windows\System32\TextInputFramework.dll LoadedModule[60]=C:\WINDOWS\SYSTEM32\wintypes.dll LoadedModule[61]=C:\WINDOWS\SYSTEM32\twinapi.appcore.dll LoadedModule[62]=C:\Windows\System32\CoreMessaging.dll LoadedModule[63]=C:\Windows\System32\CoreUIComponents.dll LoadedModule[64]=C:\WINDOWS\system32\wshbth.dll LoadedModule[65]=C:\WINDOWS\System32\netprofm.dll LoadedModule[66]=C:\WINDOWS\system32\NLAapi.dll LoadedModule[67]=C:\WINDOWS\SYSTEM32\IPHLPAPI.DLL LoadedModule[68]=C:\WINDOWS\System32\mswsock.dll LoadedModule[69]=C:\WINDOWS\SYSTEM32\DNSAPI.dll LoadedModule[70]=C:\WINDOWS\System32\NSI.dll LoadedModule[71]=C:\WINDOWS\System32\winrnr.dll LoadedModule[72]=C:\Windows\System32\Windows.UI.Immersive.dll LoadedModule[73]=C:\WINDOWS\System32\npmproxy.dll LoadedModule[74]=C:\WINDOWS\SYSTEM32\WINNSI.DLL LoadedModule[75]=C:\WINDOWS\SYSTEM32\dhcpcsvc6.DLL LoadedModule[76]=C:\WINDOWS\SYSTEM32\dhcpcsvc.DLL LoadedModule[77]=C:\Program Files (x86)\Mozilla Thunderbird\softokn3.dll LoadedModule[78]=C:\Program Files (x86)\Mozilla Thunderbird\freebl3.dll LoadedModule[79]=C:\WINDOWS\System32\MSCTF.dll LoadedModule[80]=C:\WINDOWS\System32\MMDevApi.dll LoadedModule[81]=C:\WINDOWS\System32\DEVOBJ.dll LoadedModule[82]=C:\WINDOWS\System32\cfgmgr32.dll LoadedModule[83]=C:\WINDOWS\SYSTEM32\AUDIOSES.DLL LoadedModule[84]=C:\WINDOWS\SYSTEM32\powrprof.dll LoadedModule[85]=C:\WINDOWS\SYSTEM32\UMPDC.dll LoadedModule[86]=C:\WINDOWS\System32\SETUPAPI.dll LoadedModule[87]=C:\Windows\System32\wscapi.dll LoadedModule[88]=C:\WINDOWS\System32\urlmon.dll LoadedModule[89]=C:\WINDOWS\System32\iertutil.dll LoadedModule[90]=C:\WINDOWS\System32\srvcli.dll LoadedModule[91]=C:\WINDOWS\System32\netutils.dll LoadedModule[92]=C:\Windows\System32\Windows.Globalization.dll LoadedModule[93]=C:\Windows\System32\bcp47mrm.dll LoadedModule[94]=C:\Windows\System32\Bcp47Langs.dll LoadedModule[95]=C:\WINDOWS\SYSTEM32\dxgi.dll LoadedModule[96]=C:\WINDOWS\SYSTEM32\dwmapi.dll LoadedModule[97]=C:\WINDOWS\SYSTEM32\dcomp.dll LoadedModule[98]=C:\WINDOWS\SYSTEM32\mscms.dll LoadedModule[99]=C:\WINDOWS\SYSTEM32\ColorAdapterClient.dll LoadedModule[100]=C:\WINDOWS\SYSTEM32\USERENV.dll LoadedModule[101]=C:\WINDOWS\system32\twinapi.dll LoadedModule[102]=C:\WINDOWS\SYSTEM32\WTSAPI32.dll LoadedModule[103]=C:\WINDOWS\SYSTEM32\WINSTA.dll LoadedModule[104]=C:\WINDOWS\system32\directmanipulation.dll LoadedModule[105]=C:\WINDOWS\SYSTEM32\d2d1.dll LoadedModule[106]=C:\WINDOWS\SYSTEM32\XmlLite.dll LoadedModule[107]=C:\WINDOWS\system32\dataexchange.dll LoadedModule[108]=C:\WINDOWS\system32\d3d11.dll LoadedModule[109]=C:\WINDOWS\system32\explorerframe.dll LoadedModule[110]=C:\Windows\System32\OneCoreUAPCommonProxyStub.dll LoadedModule[111]=C:\Program Files (x86)\Mozilla Thunderbird\rnp.dll LoadedModule[112]=C:\WINDOWS\System32\WININET.dll LoadedModule[113]=C:\WINDOWS\SYSTEM32\SspiCli.dll LoadedModule[114]=C:\WINDOWS\SYSTEM32\ondemandconnroutehelper.dll LoadedModule[115]=C:\WINDOWS\SYSTEM32\winhttp.dll LoadedModule[116]=C:\Windows\System32\rasadhlp.dll LoadedModule[117]=C:\WINDOWS\System32\fwpuclnt.dll LoadedModule[118]=C:\WINDOWS\SYSTEM32\avrt.dll LoadedModule[119]=C:\Windows\System32\Windows.Security.Integrity.dll LoadedModule[120]=C:\WINDOWS\SYSTEM32\LINKINFO.dll LoadedModule[121]=C:\Windows\System32\OneCoreCommonProxyStub.dll LoadedModule[122]=C:\WINDOWS\SYSTEM32\ntshrui.dll LoadedModule[123]=C:\WINDOWS\SYSTEM32\cscapi.dll LoadedModule[124]=C:\WINDOWS\SYSTEM32\policymanager.dll LoadedModule[125]=C:\WINDOWS\SYSTEM32\msvcp110_win.dll LoadedModule[126]=C:\WINDOWS\SYSTEM32\d3dcompiler_47.dll LoadedModule[127]=C:\WINDOWS\SYSTEM32\CRYPTSP.dll LoadedModule[128]=C:\Program Files (x86)\Mozilla Thunderbird\libGLESv2.dll LoadedModule[129]=C:\WINDOWS\SYSTEM32\d3d9.dll LoadedModule[130]=C:\Program Files (x86)\Mozilla Thunderbird\libEGL.dll LoadedModule[131]=C:\WINDOWS\SYSTEM32\cryptnet.dll LoadedModule[132]=C:\WINDOWS\SYSTEM32\drvstore.dll LoadedModule[133]=C:\WINDOWS\System32\imagehlp.dll LoadedModule[134]=C:\WINDOWS\system32\rsaenh.dll LoadedModule[135]=C:\WINDOWS\SYSTEM32\dxcore.dll LoadedModule[136]=C:\WINDOWS\SYSTEM32\resourcepolicyclient.dll State[0].Key=Transport.DoneStage1 State[0].Value=1 OsInfo[0].Key=vermaj OsInfo[0].Value=10 OsInfo[1].Key=vermin OsInfo[1].Value=0 OsInfo[2].Key=verbld OsInfo[2].Value=19045 OsInfo[3].Key=ubr OsInfo[3].Value=6466 OsInfo[4].Key=versp OsInfo[4].Value=0 OsInfo[5].Key=arch OsInfo[5].Value=9 OsInfo[6].Key=lcid OsInfo[6].Value=2057 OsInfo[7].Key=geoid OsInfo[7].Value=242 OsInfo[8].Key=sku OsInfo[8].Value=48 OsInfo[9].Key=domain OsInfo[9].Value=0 OsInfo[10].Key=prodsuite OsInfo[10].Value=256 OsInfo[11].Key=ntprodtype OsInfo[11].Value=1 OsInfo[12].Key=platid OsInfo[12].Value=10 OsInfo[13].Key=sr OsInfo[13].Value=0 OsInfo[14].Key=tmsi OsInfo[14].Value=223670134 OsInfo[15].Key=osinsty OsInfo[15].Value=1 OsInfo[16].Key=iever OsInfo[16].Value=11.3636.19041.0-11.0.1000 OsInfo[17].Key=portos OsInfo[17].Value=0 OsInfo[18].Key=ram OsInfo[18].Value=8174 OsInfo[19].Key=svolsz OsInfo[19].Value=231 OsInfo[20].Key=wimbt OsInfo[20].Value=0 OsInfo[21].Key=blddt OsInfo[21].Value=191206 OsInfo[22].Key=bldtm OsInfo[22].Value=1406 OsInfo[23].Key=bldbrch OsInfo[23].Value=vb_release OsInfo[24].Key=bldchk OsInfo[24].Value=0 OsInfo[25].Key=wpvermaj OsInfo[25].Value=0 OsInfo[26].Key=wpvermin OsInfo[26].Value=0 OsInfo[27].Key=wpbuildmaj OsInfo[27].Value=0 OsInfo[28].Key=wpbuildmin OsInfo[28].Value=0 OsInfo[29].Key=osver OsInfo[29].Value=10.0.19041.6466.amd64fre.vb_release.191206-1406 OsInfo[30].Key=buildflightid OsInfo[30].Value=1a6da8dc-e1ef-4c46-89e4-4a56762ca494 OsInfo[31].Key=edition OsInfo[31].Value=Professional OsInfo[32].Key=ring OsInfo[33].Key=expid OsInfo[34].Key=fconid OsInfo[35].Key=containerid OsInfo[36].Key=containertype OsInfo[37].Key=edu OsInfo[37].Value=0 FriendlyEventName=Stopped responding and was closed ConsentKey=AppHangXProcB1 AppName=Thunderbird AppPath=C:\Program Files (x86)\Mozilla Thunderbird\thunderbird.exe ReportDescription=A problem caused this program to stop interacting with Windows. NsPartner=windows NsGroup=windows8 ApplicationIdentity=BD651D92C43397BE7A26BAF48837601A MetadataHash=-60511867

I am trying to upload all my Yahoo sent box e-mails to Thunderbird, but Thunderbird says it is uploading only 10,000 e-mails - but my sent box contains 30,000. How can I get it to upload all of my sent box?

Just installed Thunderbird on Windows 11. Have two accounts: UN1@hotmail.co.jp and UN2@hotmail.co.jp. I created them in exactly the same way, but one of them works without problem, the other shows me "Command Error 12". After searching for a solution on the forum, I understand that none of the suggestions work. The error repeats. What can it be and is there a way to fix this error?

This just started 4 or 5 days ago ( 2026.1.23 ish). I did not update TB nor make any changes to the account in question (that I'm aware of). The errors show up every few minutes, with a 'beep' sound and notification pop-up showing up each time - is very annoying.

I was running v145 when it started. I saw there was an update to 147 and installed that; same issue. I restarted TB into Troubleshooting mode and am still getting the error.

This is running on MacOS 15.7.3. Hardware is MacMini (2024) with Apple M4 chip.

Generally I still seem able to received & send emails.

I opened Activity Manager and Error Console. Error console doesn't seem to have much (using 'Multiprocess', with Errors, Warnings, Logs, Debug enabled). Activity manager shows things such as:

<my account name>

   Connection to server outlook.office365.com was interrupted.    09:49
   Failed to connect to server outlook.office365.com.    09:52
   Authentication failure while connecting to server outlook.office365.com.    09:58
   Authentication failure while connecting to server outlook.office365.com.    10:03
   Connection to server outlook.office365.com was interrupted.    10:10
   Connection to server outlook.office365.com was interrupted.    10:14
   Connection to server outlook.office365.com was interrupted.    10:20

There was an error or log entry that I was able to find a few days ago that made me think it was Calendar related, but now I'm not finding that message.

Recently switched ISPs to a fiber internet company. After the switch, now whenever I try access my comcast email tunderbird gives me a message that my IP is temporarily blacklisted. I get two messages. One is a windows notification that says the blacklisted message, and then a popup message from tunderbird that it cannot log in. I have contacted my ISP to ask them what's up with the blacklist, but what's weird is that I can seem to access these accounts fine through Outlook, which would seem to indicate that there is some issue with tunderbird. I'd really rather use tunderbird than outlook. Can somebody help me with this?

The few articles I could find on this all suggest changing the IPv6 setting but I checked that and it is already set to what they suggest.

I tried deleting the account and recreating it in tunderbird, but it won't go through it says it can't log into the account.

An IRS form 4506-B PDF has to filled out and sent with adobe reader, if you use a browser it disables funtions in adobe acrobate reader that allow you to send the form. Thunderbird works find to send regular emails. It isnt working when I click on the "submit form" buttton at bottom of the 4506-B forms page. I ran Thunderbird in troubleshoot mode and turned off all AVG protection includeing VPN and it still wont work. I tried with my aol and gmail accounts.

'FROM IRS SITE':How To Submit Submit Form 4506-B via email by completing the form then clicking the “Submit Form” button at the bottom of the page. Adobe Reader. We use Adobe Acrobat PDF files to provide electronic access to our forms and publications. You will need to have the Adobe Reader software installed to submit this form. We recommend using the most recent version of Adobe Reader - available free from Adobe's website. When submitting, saving, or printing a file, be sure to use the functionality of Adobe Reader rather than your web browser

Hello, It's getting very frustrating some time hotmail folder/emails are there ans other times not, then some times it will start a downloading all messages folders as if it a new set-up. I have follower all info I can find but it just stays the same.

Kind regards Chris

突然、どこにもメールの送信ができなくなってしまいました。 受信はできます。 KDDIを使っていますが、問い合わせしましたが、サーバーに問題ありません。 Webメールでは送信できます。 Thunderbird側の問題のようです。 添付のようなメッセージが表示されエラーになってしまいます。 解決策を教えてください。

Suddenly, I can no longer send emails anywhere. I can still receive emails. I use KDDI, and I contacted them, but they said there are no issues with their servers. I can send emails using webmail. It seems to be an issue with Thunderbird. The message shown in the attachment appears, and I get an error. Please let me know how to fix this.

Hello I want to use my calendar and adressbook from different PCs which have access to a common network device like P: So I intend to locate and use Thunderbird calendar and adressbook on dedicated device P:. Is there a way to achieve that? Thanks lot Thomas

I'm a retired Desktop Support tech more familiar with Outlook, still very new to Thunderbird. I enjoy supporting family & friends and often email urls for various reasons. What setting do I need to tweak in Thunderbird to get long urls that I paste into emails to send to wrap within the composed email?

I am using TB 140.9.0esr (64-bit) on Kubuntu 25.10 but this has been true for some years. Mostly when a start a new Email address whether in the To:, cc: or bcc: fields TB does a very good guess after a few letters about the address I want. However, every so often, perhaps 5% of the time it will pick the correct person but I won't notice that it has picked an old address for that person. It seems to happen in bursts, so three times in the last few hours for two different addressees. I realise that I could shift the old addresses for people to the notes section of the address book but I would rather not as I am hoping that one day TB will have the ability to search for all Emails to/from someone across all the addresses they ever had, current or deceased. Is there a way you can stop TB suddenly changing its guesses about the addresses for a person? Or could you add a way to tell TB in the address book that addresses are dead and should never be offered as addresses to send to?

TIA,

Chris

At first the inbox went empty and then when I closed T-bird and reopened it had put in 100 emails from 2023! And then fortunately I found the 'inbox' name had moved way down in the left panel under 'local folders' and still had all my current emails. Can I drag the 'inbox' in the panel back up under my current address where it usually resides? All this happened after I sent 2 photos off my phone to my gmail account to my email address. I prefer to do my emails on my desktop, on Windows 11. Bitdefender says I am safe. I cannot find what version of Thunderbird I have. I typed in 'Thunderbird App menu help' in the search bar on my desktop with no help found. I do not know how to do the 3 lines icon. Pressing the alt key or F10 did nothing. I looked in all the T-bird settings to no avail. So I typed in the 140.8 version just so you would at least get this query. I have no idea what version I have. Very frustrating! Thank you.

All old cmptr usb ports fail.. copied most data to new computer but Moz. Thndrbrd did not copy. Installed NEW Tndrbrd and got mail, but only last 4 weeks or so since failure. Copied ALL Moz. Thndrbrd files from old to Thumb drive. Old system had 70 files, 10 folders (11*.exe, 31 *dll, 4*ini, 297MB) and 5 single element files. New Thnddrbrd has 72 files, 12 folders, 55.7MB. Could find NO hidden files / folders on either unit. Suspect all recoverable OLD mail on thumb drive but do not know how to recover. H E L P ! ! Mitch ~ " X@mcsnet.ca " VERSION 148.0.1 BUILD ID 20260305172141

(PII redacted by moderator)