Showing questions for topic:

MY late husband's old Mac Mini crashed during a power outage. I can't open his TB inbox.

It says that the folder is in use by some other operation. I tried a Force Quit and a restart and neither worked. Please help. His OS is 10.13 and his TB is 115.18.0. He … (read more)

It says that the folder is in use by some other operation. I tried a Force Quit and a restart and neither worked. Please help.

His OS is 10.13 and his TB is 115.18.0. He kept the old Mini because he was running an ancient version of Photoshop that ran a plugin that is not available for Adobe Creative Cloud.

Robert was a sculptor who did large kinetic work and much of his work is still on that computer.

I am still getting his email on my iPhone, so I don't know what is going on. Unfortunately, I haven't saved his email history on my iPhone so when someone answered a similar problem a couple of years ago, the only place that email would reside is in Robert's inbox on his Mini, which I can't open.

Many thanks for your help.

Ellen

Open 2

'Folder List' hangs with 'Please wait'.

All folders are shown ticked but they do not appear. I can view one folder at a time with Go>Folder>my account>Inbox(say). Using IMAP. Firefox 151.0.4 I don't … (read more)

All folders are shown ticked but they do not appear. I can view one folder at a time with Go>Folder>my account>Inbox(say).

Using IMAP. Firefox 151.0.4 I don't know what I could have done to cause this.

Solved 2

Thunderbird gets unresponsive when deleting mails

When I try to delete mail from Deleted folder (even if there is just 1 email), the thuderbird gets unresponsive. Same when i try to select few emails (headers) for deleti… (read more)

When I try to delete mail from Deleted folder (even if there is just 1 email), the thuderbird gets unresponsive. Same when i try to select few emails (headers) for deletion or moving to another folder. Running on Windows 11

Open 1

Why is Firefox running very slowly and causing YouTube videos to buffer constantly, even though my internet connection seems fine?

Hello Firefox Team I'm having a problem with Firefox running very slowly, especially when watching YouTube videos. Videos take a long time to load, keep buffering, and s… (read more)

Hello Firefox Team

I'm having a problem with Firefox running very slowly, especially when watching YouTube videos. Videos take a long time to load, keep buffering, and sometimes get stuck while playing. The browser also feels slow overall, not just on YouTube. My internet connection seems to be working normally. I have already tried clearing all browsing history, cookies, and cache, but the issue still persists. I'm not sure if the problem is related to Firefox settings, extensions, hardware acceleration, or possibly a hardware issue with my PC.

Open

my thunderbird client 115.18.0 (64-bit) is very sluggish with Reagan.Com Mail but seems to work much faster with gmail and proton.

When I highlight multiple messages for deletion; it can take up to a minute to respond; when I am working with gmail or proton, the deletion is immediate. When I am acc… (read more)

When I highlight multiple messages for deletion; it can take up to a minute to respond; when I am working with gmail or proton, the deletion is immediate. When I am accessing Reagan with browser, the multiple deletions are also immediate. Appears to definitely be a handoff issue. Suggestions? I use Thunderbird on 2 win11 os and 2 linix mint 2.1 machines. I only delete and store to local on one machine (win11) ver/build 23H2: 22631.6199.

Open

Thunderbird freezes for several minutes every time an operation is done while Inbox is open

Hi all, I've been using Thunderbird for eons but yesterday morning it started freezing up constantly. It freezes up ("Thunderbird is not responding") every time new email… (read more)

Hi all,

I've been using Thunderbird for eons but yesterday morning it started freezing up constantly.

It freezes up ("Thunderbird is not responding") every time new emails are received or any time I take any action while the Inbox folder is open. So, if I delete an email it freezes for a few minutes. If I do anything pretty much, it freezes up for a few minutes. Then it comes back and I can do another action, and it freezes again. This only seems to be happening when I have the Inbox open - if I go to other folders it seems to function normally.

Things I've tried without success: - Troubleshooting mode - Adding exceptions for my profile folders to Windows Defender - Compressing Inbox (and Trash and Junk) - Repairing the Inbox index

This doesn't appear to be a memory issue - right now, memory use for my entire system seems to be hovering at just over 50%. But Thunderbird is still freezing.

My Inbox folder is very large, but it's never been an issue before and nothing significant was added yesterday when it started failing.

Any suggestions appreciated!

Thanks

Solved 11 3

Latest Thunderbird works well on a Catalina computer with an SSD drive, but not on a non-SSD one

I own two computers running MacOS 10.15.7 Catalina and have Thunderbird installed on both. Until rather recently, the Thunderbird version was 140.8.1. Then I noted that i… (read more)

I own two computers running MacOS 10.15.7 Catalina and have Thunderbird installed on both. Until rather recently, the Thunderbird version was 140.8.1. Then I noted that it was impossible to send e-mails, and soon discovered that the cause was outdated server settings. They could not handle office365, so I installed Thunderbird 148.01 and changed to settings that should be able to do so. This worked very well on one of the computers, the one which has a fast (SSD) hard drive, but not on the other that has a slow (non-SSD) drive. The error message that I get with the slow computer is, surprisingly, the same as I got with the older Thunderbird. But I suspect that the real cause is some kind of timed-out process.

If any of you could explain what happens and tell me what to do, I would be very happy. Maybe I should choose a Thunderbird version somehere between 140 and 148?

Helge Malmgren

Open 1 73

I keep getting "not responding" message

Whenever I do anything with email I get a message "not responding" which causes a delay for a few minutes before it proceeds This occurs with almost every action Open ema… (read more)

Whenever I do anything with email I get a message "not responding" which causes a delay for a few minutes before it proceeds This occurs with almost every action Open email, delete email, browse a different folder (eg Inbox to Sent) it suddenly started happening yesterday

Open 3 3

Only 5 domains are looked at until Thunderbird stalls...why?

I have a Postfix/Dovecot server that hosts 10 of my domains from one IP. When you open Thunderbird, it checks the domains you have preset. I have two. This happens immedi… (read more)

I have a Postfix/Dovecot server that hosts 10 of my domains from one IP.

When you open Thunderbird, it checks the domains you have preset. I have two. This happens immediately, especially if there is no new mail on the server. Everything works fine.

If you have other domain mailboxes open, and I have eight more, and you click the inbox on each one, Thunderbird stalls at the fifth mailbox, regardless of the inboxes' selected order.

tail -f /var/log/mail.log - confirms this.

I have reset or modified everything I can think of. My server is not throttling Dovecot.

This must be something internal to Thunderbird, possibly related to only using a specific mail server IP for all domains.

Google AI suggests assigning a unique local IP alias to each domain on my server so Thunderbird thinks it’s talking to 10 different machines. This seems extreme.

Any solutions?

Open 5 72

Abnormal App opening time - 1.5 minutes - on Mac

Hi , I am using the MacBook Pro M5 which is running with macOS Tahoe 26.5 . I have installed Thunderbird mail with version 150.0.2 . After the initial installation with… (read more)

Hi , I am using the MacBook Pro M5 which is running with macOS Tahoe 26.5 . I have installed Thunderbird mail with version 150.0.2 . After the initial installation with only one account with few mails in the inbox I found the App opening time is abnormally high & is more than 1 minutes . I have removed the mail App few times & re installed it ( even I have re download the app from net again) , but the problem remain same .

I have removed the old folder & files from - ~/Library/Thunderbird/ , ~/Library/Application Support/Thunderbird/ , ~/Library/Caches/Thunderbird/ , org.mozilla.thunderbird from ~/Library/Preferences/. before the re installation & re started the laptop , but no improvement in results .

Also in mail setting references → Unchecked the option - Enable Global Search and Indexer Disable all Extensions and Themes under Tools → Add‑ons & Themes (No Extensions is installed) .

Just to inform that the apple mail is working fine in this laptop .

After all the above trails the results are same , the app once quit & re start - it takes around 1.5 minutes to open after which the app works normally with out any problem . Please suggest if any solution is available for this problem . Best Regards Gautam Banerjee

Open 11 9

Slow Thunderbired email retrieval in Windows 11

I have 2 Windows 11 laptops running Thunderbird. Retrieval of POP3 account email takes 10 times longer on Windows 11 as compared with Windows 7. I have 13 different email… (read more)

I have 2 Windows 11 laptops running Thunderbird. Retrieval of POP3 account email takes 10 times longer on Windows 11 as compared with Windows 7. I have 13 different email accounts. If there is nothing new to download, my windows 7 computer takes 5 seconds to check all account. Windows 11 takes 50 seconds for the same task... clunking along very much slower. I have tried many approaches to tracking down the cause of the slowness. Antivirus software (Norton 360) and various Thunderbird and system settings. Nothing makes any noticeable difference. I'm at a loss for what to try or even to finding anyone discussing the same issue. I have been using Thunderbird on at least 4 windows 7 pcs with no such issue. Both my windows laptops have the same clunky slowness. I want to move to windows 11, but this is holding me back. Is this just inherent to Windows 11? Any ideas would be appreciated. Thanks

Solved 3

Retrieving mail in Windows 11 is slow and clunky

I have several Windows 7 computers running Thunderbird and have 13 POP3 accounts to retrieve. These computers work fine. It takes about 5 seconds to check all 13 accounts… (read more)

I have several Windows 7 computers running Thunderbird and have 13 POP3 accounts to retrieve. These computers work fine. It takes about 5 seconds to check all 13 accounts if there is nothing new to download. I have two Windows 11 computers that take about 50 seconds to go through these same accounts under the same conditions (nothing new to download). I have done a lot of searching for answers, but nothing helpful has come up. Any ideas on what might be causing this? Seems like it would be a common problem as both Windows 11 computers do the same thing. Both are Windows 11 Pro. Thanks for any guidance.

Locked 1 54

Multiple Firefox apps open in Win11 Task Manager using ~1GB storage

I'm running Win11, v25H2, os 26200.8524 on a Dell laptop. Firefox v151.0.3 (64-bit) is behaving a bit odd in that I can open a window, open maybe 2 or 3 tabs, close all … (read more)

I'm running Win11, v25H2, os 26200.8524 on a Dell laptop. Firefox v151.0.3 (64-bit) is behaving a bit odd in that I can open a window, open maybe 2 or 3 tabs, close all but one down, and if I check Task Manager it'll show multiple Firefox apps open, sometimes as many as 20+, and the disk usage/storage is usually between 750MB and 1.2GB. I can see if I had multiple windows or tabs open that the number of apps in Task Mgr would be equal, but if I've only got one or two tabs open and Task Mgr shows I've got 23 open? I have gone into Firefox/Settings/Privacy and Security and selected "Never Remember History" so that if I click on History in the main menu bar it never asks me if I want to clear history, but it will show "Recently Closed Tabs" for whatever tabs I may have opened during that Firefox session. But again, if it shows I have 4 recently opened tabs, why would Task Mgr be showing 18 (for example) open instances?

I have not activated Firefox VPN, I have Enhanced Tracking Protection set to "Standard", I do not have A-I turned on, I don't usually use Private Windows, and I don't have any 'extensions' or 'add-ons' installed - I'm using pretty much the 'standard' Firefox installation. I have Norton 360 VPN installed but rarely turn it on. If this makes any difference, I did try out Privacy Badger about 3 months ago for about 2-3 weeks, but it got so odd that I uninstalled it. Interestingly/oddly enough, about half the websites I visit multiple times a week still give me a pop-up message saying "We see that you're using an ad-blocker, would you like to turn it off?" but I can't turn it off if there's nothing installed. To see if I could stop this 'phantom ad-blocker' I even went so far as to "refresh Firefox", but actually I'm getting more instances of websites telling me "turn off ad-blocker so we can make some money out of you!!!" since the refresh.

This is annoying, not life-threatening but since I've had other problems with low disk storage/ high usage, I try to keep an eye on it and Firefox using ~1GB of space doesn't help the situation. I had asked about Privacy Badger a couple weeks ago and the answer was pretty much "if it's uninstalled, it's not working"... so that was pretty much a dead end.

Ideas?

Open

Thunderbird is stuck on "loading messages", but only on one of my two identities,

I have two identities in my Thunderbird 44.0. When I click get messages for one of the identities, "loading messages" shows in the status bar and the cursor shows an hou… (read more)

I have two identities in my Thunderbird 44.0. When I click get messages for one of the identities, "loading messages" shows in the status bar and the cursor shows an hourglass. It's stuck in this mode forever until I select a folder in the other identity. If I go back to the first identity and select the Inbox, the hourglass comes back and the perpetual "loading messages" shows again in the lower status bar.

If I can find the installation file, should I try to install it again, or uninstall first. And how can I save the email and profile(s) before I do the uninstall.

Any suggestions...

Open 2

the mail is not coming and thunderbird is very slow

We are facing issues with Thunderbird mail application. Incoming emails are not being received in Thunderbird. Thunderbird is running very slowly and frequently becomes u… (read more)

We are facing issues with Thunderbird mail application.

Incoming emails are not being received in Thunderbird. Thunderbird is running very slowly and frequently becomes unresponsive. Sending and receiving emails is taking a long time. We have already restarted the application and system, but the issue still persists.

Kindly check the mail server settings and Thunderbird configuration from your end and advise on the necessary action to resolve this issue as soon as possible.

Your prompt support will be highly appreciated.

Open 1

firefox 151.0.2 running really slow

before v151.0.2, didn't have a problem with firefox, now with this new release, it is really really slow, takes some time to start and load pages. what happened?? … (read more)

before v151.0.2, didn't have a problem with firefox, now with this new release, it is really really slow, takes some time to start and load pages. what happened??

Open