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I've been using TB for years. Lately I can be browsing the Inbox when the contents will disappear and I get a message saying something like no messages found. After about 30 seconds the Inbox is displayed again.

TB never used to do this and it is similar to Firefox refreshing the screen which it also never used to do this.

Also how do I get from the Beta version to the standard version?

When creating a new email and entering a recipient address, Thunderbird automatically suggests addresses after typing a few characters. However, in my case the auto-complete suggestions take about 10 seconds to appear after I start typing.

I am using Thunderbird version 149.0.1. My settings under Settings → Composition → Addressing are as follows:

☑ Local Address Books ☐ LDAP Server ☑ Automatically add outgoing recipients to: Collected Addresses Initial Directory for Address Book: Last Used Directory

I would like to understand what kind of search Thunderbird performs when auto-completing email addresses.

Also, if anyone has experienced the same issue, how did you resolve it?

Any insights or advice would be greatly appreciated.

During most attempts to move emails to folders in Thunderbird, the operation does not occur for five to ten seconds. Often, I will see a "systems busy" circle during the operation. This has been going on for weeks...

It's a big time waster. I can't do anything else in Thunderbird until the "Move" has been completed.

時間がかかり鈍い作業 ・メールのダウンロードに時間がかかる ・ダウンロードされ受信箱に入ったメールを読もうとすると、初めて開ける場合、クリックした時点での反応が鈍く開くまでに時間がかかる ・添付資料の削除に時間がかかる ・受信箱からフォルダーへの移動

これまでと同じ ・一度フォルダーに分類されたメールは、これまで通りサクサクと開いたり削除したりできる

Dlaczego FIREFOX spowalnia i często karty się samoczynnie przeładowują? Nie zdążysz jednego artykułu przeczytać i się wszystko odświeża, cały czas się odświeża. Na konkurencyjnych przeglądarkach MICROSOFT EDGE i AVG SECURE BROWSTER cały czas działające odświeżanie nie występuje !!!!!

henn typing website keeps going to about blank/ crashes all time/ locks up unable to open sites like home depot/autozone xtra slow respondes. must be time to use something else firefox has gotten unusable

Whenever I start Thunderbird, I get messages such as that some mailboxes cannot be compacted and some filtering cannot be done "because another operation is in progress". Why is this? How can I prevent it? It is a nuisance having to go and chase down and correct the filtering that has not taken place.

Sometimes the index becomes too large, making searching very difficult. The solution is to reset the index, which involves deleting the global-messages-db.sqlite file. After Thunderbird rebuilds the index, searching is simpler and faster. Adding a menu or an automatic database reindexing process would be a significant improvement!

Well, I just updated and still have the same problems. This browser is simply impossible to use; I can't even throw it away and forget about it: it can't load a single page without getting stuck halfway through, after which the app freezes and has to be interrupted, unloaded from memory, and only then (maybe) will the page load! It's been like this for six months now. It's probably time to ditch it completely!

I have the following very frustrating symptoms:

1) Thunderbird will frequently decide that it does not have the headers for a particular folder, and will reload them. This is in spite of the fact that I had all the headers the last time that I used the program, and I have not restarted Thunderbird or the computer (although I may have put it to sleep). In one specific case, I clicked on my Inbox, and TB started a "compact" operation, and then it started to download *all* of the headers. Eventually it produced an error message for the compaction: " The folder ‘Inbox on williamatwood41@gmail.com’ could not be compacted because writing to folder failed. Verify that you have enough disk space, and that you have write privileges to the file system, then try again."

2) Thunderbird will often state that a summary file cannot be opened: "Unable to open the summary file for Drafts on william.atwood@concordia.ca. Perhaps there was an error on disk, or the full path is too long." I have seen this for the Drafts folder, for the Inbox folder, for the Sent folder, and for arbitrary folders that I had previously opened successfully.

3) One day, I clicked on a folder that contained 6116 messages. I saw it download all of the headers. Then the right panel declared "No message found."

The next day, I clicked on the same folder. While downloading the headers, TB listed the low-numbered messages on the right side (upper panel), and then switched to the most recent message once all the headers had been downloaded. So, the behavior changed from one day to the next.

All of this seems to have started when I placed a restriction on the length of time that messages are synchronized. This was done because I was running out of disk space on my 250 GB disk. I subsequently replaced this disk with a 500 GB disk, but have not (yet) relaxed the constraint, because I wanted to get to the bottom of the problem.

My best guess is that setting the disk space limit has triggered some misuse of a pointer, which is resulting in the garbage-in, garbage-out syndrome. However, I could be way off.

I would be very happy to work with anyone on the TB team, and invoke whatever debugging tools are necessary (under direction) to find the root cause of this error.

The Thunderbird for Android app updated yesterday to version 17.0. Ever since the update, I've noticed an undesired behavior (bug?). Whether I have one new email or have several new/unread emails, whenever I read the top/latest email and then delete it, when returned to the Inbox list of emails, the message I just read and deleted will show that it is still there and unread. However, if I simply touch the screen and drag the list of messages upward or downward slightly, then the email is deleted (removed from the Inbox).

The same behavior happens when simply reading the first (top of the list) message and return to the Inbox... the message will show unread, but if I drag the list up slightly, it will then show the email as having been read.

This behavior does not exist for other emails in the list, only the first one (top of the list/latest to come in).

Perhaps I'm not the first to report this new and undesired behavior. Is there some setting that I'm not aware of that I can set to correct it, or does it need to be fixed in a future update? I tried rebooting the phone last night, which made no difference to this behavior.

I'm running a Samsung Galaxy S22 running Android 16.

I HATE this new mail program. It takes forever to load on my computer and is VERY slow. Is there any way to get the old program back? I am 83 years old and find this version very difficult to use. I had the older version for years (more than I can remember) and it was very easy to use. Is there a way for me to get an easier program -- like the old one. Please help me

It is my custom to run spell check after typing an email. Today, sudenly, the write window hangs when I click on spelling. Does not happen in troubleshoot mode. I have no extensions installed and default theme. I did try disabling hardware acceleraton, but did not help.

Yesterday all workd OK, and thre have been no changes to the computer snce.

Title: CardBook 104.7 folder pane frozen ~40 minutes at every startup - TB 140.8.1 ESR - Linux Mint 22.3

Environment: - Thunderbird: 140.8.1 ESR 64-bit - CardBook addon: 104.7 - OS: Linux Mint 22.3 Cinnamon 64-bit - Fresh install of both Thunderbird and CardBook - 3 Gmail IMAP accounts - 5 CardBook address books, all local FILE type (.vcf files in /home/nesko/cardbook/), no CardDAV or remote server involved. Largest address book has approximately 1500 contacts.

Symptom: At every cold startup, the CardBook folder pane (address book list) is completely frozen and unresponsive for approximately 40 minutes. Thunderbird itself starts quickly and all email accounts and other addons function correctly. Only the CardBook folder pane is affected. After approximately 40 minutes CardBook becomes responsive without any user intervention.

Error console output at startup consistently shows: - TypeError: can't access property "addEventListener", currentWindow is null (implementation.js:28:13) - TypeError: can't access property "document", currentWindow is null (implementation.js:567:15) - CardBookXULNotifyListener.js:599:13 - Content process is not responsive while sending DevToolsProcessParent:watchTargets

Additional observations: - On one startup, 8 duplicate CardBook tabs appeared simultaneously when TB's content process finally became responsive, suggesting CardBook was retrying initialization multiple times while waiting for TB's window - Running TB in Troubleshoot Mode (all addons disabled) confirms TB itself is healthy and starts quickly - The errors reference CardBook's own initialization code (CardBookXULNotifyListener.js) attempting to access Thunderbird's window (currentWindow) before it is fully ready - TB's content process unresponsive message appears during the same startup window

Steps taken so far: - Unchecked "Keep messages in all folders" in Synchronization & Storage for all 3 IMAP accounts — this improved overall TB startup time - Unchecked "Run synchronization at Thunderbird startup" in CardBook Preferences → Sync — this reduced the CardBook freeze from over 1 hour to approximately 40 minutes - Reported to CardBook developer at cardbook.thunderbird@gmail.com

Question for TB support: Is there a known issue with TB 140 ESR's content process initialization timing that could cause addons to fire before TB's window is fully ready? The currentWindow is null errors suggest CardBook is initializing at a point where TB's window object does not yet exist. Is there a TB-side fix or workaround for this timing issue?