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My page throws errors in Firefox Nightly such as

Expected color but found ‘undefined’. Error in parsing value for ‘background-color’. Declaration dropped. preview.htm:1:1

and

Expected color but found ‘undefined’. Error in parsing value for ‘color’. Declaration dropped. preview.htm:1:1

The page references ten CSS files besides having dozens of its own CSS declarations. The issue is tha the reference provided to the error (:1:1) does not indicate where I can find the error. That is, I don't know which declaration is at fault. Is there some straighforward way to find the declaration in question?

Recently Firefox has been randomly crashing the past 3 weeks multiple times, Is anyone else having this odd issue ? I'll be watching a stream or youtube video and bam out of no where the Browser goes black for like 20 or 30 seconds then crashes. I sent in about 3 crash reports and wondering if the Firefox team is aware of this issue.

I was wonder when the next browser update may be come as I would like to watch YouTube on Firefox again. As it has been over a month since the last update that made it so YouTube doesn't load the video anymore. (I have tried every suggestion online to correct this and nothing)

Suddenly, I can't send emails from Thunderbird. I get this message:

Sending of the message failed. An error occurred while sending mail. The mail server responded: <rbrawer@nyc.rr.com> sender rejected. The email address you are sending as must match the email address you used to auth. Please check your SMTP settings. AUP#Out-1500. Please verify that your email address is correct in your account settings and try again.

I'm finding threads that include the correct emails for the subject, but also additional emails that do NOT relate to the original subject. How do I pull the other "subjects" from being in the wrong thread and create their own thread. See the highlighted emails in the attached image. Each color represents a separate thread that should stand on its own.

Thanks.

I have imported a certificate and setup my Thunderbird. When I try to send an email using encryption it won't send and Thunderbird displays the message ' End-to-end ecryption requires resolving certificate issues for XXXX@ddd.com'

How do I resolve this ?

The fucking forced dark mode has return despite the previous fix layout.css.prefers-color-scheme.content-override = 1 in about:config fixing it for years. This and the current replacement fixes don't save. I want a solution for PERMANENT light mode (black text on white background) for ALL menus, pop-ups, dropdown menus and hover over tab info.

And don't tell me to go search for a different theme I've already spent hours doing that and firefox has broken them only making some menus use the appropriate mode. On top of that I can't even pick an option to search for one that uses light mode I just have to go through each one and try it if I want to know which mode it uses that is NOT a solution to anything.

Replacement "fixes" for reference: ui.systemUsesDarkTheme won't even let me set to 0 only has true/false browser.theme.content-theme set to 1 browser.theme.toolbar-theme set to 1 (Why in the absolute hell these were added when a simple addition to preference setting wasn't is beyond me)

Very sorry for the aggressiveness but I am so very VERY tired of having to fight firefox on this preferance for years when their dark mode hurts my eyes.

I'm running Sequoia 15.1.1 on an M1 Mac Mini. Never had problems before. TB 128.6 0 esr.

As soon as it opens it crashes.

I have a lot of unopened files in a pop mailbox, going to try and remove them.

It seems to still work on my iPhone. Any ideas?

I M get this working. I'm in a panic. Please help.

For a few days, for unknown reasons I have been unable to access my blog..."Kitchen Connection". This has never occurred before, and it is very annoying. I have been blogging for many years.

Your assistance in this matter would be appreciated. Thank you in anticipation.

I've tried submitting the above a few times...and for whatever reason, it has not gone through to you, it would appear.

Somehow, I have a second copy of one of my email accounts. They are mirrored, so what happens to one, happens to the other which makes deleting one not acceptable.

Any way to get to the mirrored account?

Thanks, Sue

Hi I’m a very grateful Thunderbird user, for at least 10+yrs - and its always worked for me. I have done some pretty regular donations as well, to express my gratitude. On Wed my Thunderbird seized up on startup “Not Responding” and after about 5minutes of waiting I killed it with right hand top x. I have one imap and two pop accounts, plus about 7.2G of filed local mail The size on disk of my <profile> is 9.6G My connection to the mail server imap.sonic.net is a DSL ~ 1Mbits For the last two weeks, the writing emails, and saving has been a bit jerky – I assume having I’m Windows 11 latest (i7-9750H CPU @ 2.60GHz ram 16G.) with a C: drive 256G and d: 1000G. I have C:\Program Files\Mozilla Thunderbird - and been on the update channel, though not beta. D:\usr\a\n\AppData\Roaming\Thunderbird\Profiles\<MyProfileName> I copied the profile to a NAS for safe keeping. I ran through https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird

https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode

and for all same result on startup – seized up. I reinstalled Thunderbird Ver 128.4.3esr (64-bit) – seized up. I created a new profile – and starts ok I started using “thunderbird -p” and choosing profile and “work offline” to not pull in the pop account. I copied in the old profile 10G, deleted contents of imap – still seizing up, So I started judiciously deleting older .sqlite though didn’t keep track initially – and then was able to startup, though sometimes also went into being seized up. I went through local folders – folder properties – repair folder. I still have the orginal 10G that was seizing up - so I could do some debug if useful.

One of the things I heavily rely on with FireFox is it storing words I type in reply boxes on various forums. Lately however, Firefox only seems to keep them for several hours, then they disappear. For example, I can type in "K Frame." (See image attached) The next time I go to use that field again, that text will automatically appear. And it may continue to do so for several hours, even if I close out Firefox and return later, but eventually, within 24 hours, it will disappear and I will have to retype it again the nest time I want to use that phrase. FireFox used to hold these words or phrases forever.

Any suggestions????? Both my Windows 11 and Firefox are up to date.

Since yesterday I have Thunderbird nebula 128.2.3esr on my Windows 10. But I cannot find my calendar and the new left sidebar isn't available, but only a little button on the left upper corner with seven button without function. I've tried a lot, I cannot find any description about a same failure in the Internet.

I now have the problem that I am on a large payment page and switch back and forth between FF and another app (to copy payment-relevant data). Unfortunately, FF does a page refresh every time it is brought back to the foreground from the background. And all the data already entered is lost! This is a fairly well-known problem with FF on Android! Chromium manages this better and leaves the memory management to Android. Why can't FF do that? Why can't I switch off this feature? I can't edit any relevant websites with the FF. I have to use Chrome for that! Hooray!

I quit working for a company and my email account with them was closed. However, I like to keep the emails around just to have some history.So I am trying to disable the account without wiping it out of my thunderbird. Following advice from another question, I turned off checkboxes in my server settings (shown in image).However, regardless of this, whenever I open thunderbird and various other times besides, it pops up this demand for my password for that account (second image, note the banner at the top). How can I REALLY TRULY deactivate the account so that thunderbird will never again try to read anything from it?

I was forced into an IMAP email server when switching over to Allo Fiber internet. I now have several issues. I had 7 pop email accounts that all worked within Thunderbirds local folders. All 7 email accounts drop all their email into ONE inbox folder. Now, having a IMAP server and losing pop email service, I have to use message filtering to put all of my new email accounts into the one local inbox. It seems to work, but every new day, it fails. I turn off the computer, go to bed, wake up, turn on my computer, thunderbird then downloads email and like clockwork, message filtering fails every time. I then have to manually move all my email from all my different email accounts into the one local inbox. And sometimes that doesn't even work! I have to shut down thunderbird, restart it and try again to move the emails!!!! Come on Thunderbird...get your act together and get IMAP working just like POP does. I am pissed and am now looking for a different email software program!!!

Hi,

All inbox emails, except for the most recent ones, now appear to be empty. Can these be safely recovered?

Any advice on how to repair/recover these files would be very welcome!