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Description of the Issue ​When I start a file download (especially a large file) in Firefox for Android and then use the Recent Apps/Overview screen to swipe the Firefox app away (closing the app), the download process is immediately cancelled and cannot be resumed. ​Expected Behavior ​An active, background download should continue running even if the user closes the main Firefox application window by swiping it away from the Recent Apps list, or it should at least become a resumable failed download. Many other Android apps (like Chrome, dedicated download managers, or media players) can maintain active background tasks even when swiped from recents. ​Steps to Reproduce ​Open Firefox for Android. ​Navigate to a website with a large file (e.g., a 200MB test file). ​Start the download and confirm it is active (visible in the notification panel). ​Press the Home button (or swipe up) to go to the main home screen. ​Open the Recent Apps / Overview screen. ​Swipe the Firefox app card away to close it completely. ​Check the Android notification panel and the Firefox Downloads history. ​Actual Result ​The active download is immediately and permanently cancelled. It must be started again from the beginning, leading to data waste and user frustration, especially on slow or unstable connections.

I don't know if this is the proper topic, but I'm not sure what to call it. For the longest time I've had an issue with the settings being reset every time I open the browser - all my add-ons are off, all my configurations return to the original state, every single time. I have to manually turn them on all over again every time. Does anybody else has the same issue? Can it be solved somehow? Do I need to redownload Firefox or something?

I have a Windows 10 machine, have been using Thunderbird and pobox for years.

In case you're not familiar with pobox, it is a mail forwarding service; I pay for an email address and they forward email to up to three servers. I've thereby kept the same email address for a very long time, just changed the address(es) they forward to as I change ISPs, etc. At some point I quit using my ISPs server for my email and just used the one at pobox.com. Pobox was purchased by Fastmail, and so they have some new server names; my old ones have continued to work on my current system.

I use POP3 instead of IMAP because I want the email on my machine, not on a server somewhere. I configured Thunderbird to do this long ago, and so I don't remember details; I've been depending on being able to extract any needed information from its configuration. I am confident I have the password correct; I can log into the web interface to my email, and the password works there.

My new machine is a dual-boot Win11/Ubuntu; my plan is to use the Ubuntu machine almost exclusively and only boot Win11 when necessary. I want to move email operations to the new Ubuntu machine.

I've read info on moving Thunderbird; I find the profiles on the source machine, move up two directory levels, find the equivalent directory on the new machine, copy with replace. I found:

c:\Users\name\AppData\Roaming\Thunderbird

on the Win10 machine, and

Home/snap/thunderbird/common/.thunderbird

on the Ubuntu machine, so I copied the files from the first to the second.

Having done that, when I start up Thunderbird, it displays a page saying "Set up your existing email address". If I do that, of course, it will create a new profile, and I still won't have the old one. I've tried creating it manually, but (a) I don't know how I will then merge it with an old profile and my thousands of email messages, and (b) I'm having trouble figuring out the incoming and outgoing server settings. I remember struggling with that back on Win7 or whenever it was.

Anyway. Anyone got suggestions on what might be going wrong here?

I have a Windows 10 machine, have been using Thunderbird and pobox for years.

In case you're not familiar with pobox, it is a mail forwarding service; I pay for an email address and they forward email to up to three servers. I've thereby kept the same email address for a very long time, just changed the address(es) they forward to as I change ISPs, etc. At some point I quit using my ISPs server for my email and just used the one at pobox.com. Pobox was purchased by Fastmail, and so they have some new server names; my old ones have continued to work on my current system.

I use POP3 instead of IMAP because I want the email on my machine, not on a server somewhere. I configured Thunderbird to do this long ago, and so I don't remember details; I've been depending on being able to extract any needed information from its configuration. I am confident I have the password correct; I can log into the web interface to my email, and the password works there.

My new machine is a dual-boot Win11/Ubuntu; my plan is to use the Ubuntu machine almost exclusively and only boot Win11 when necessary. I want to move email operations to the new Ubuntu machine.

I've read info on moving Thunderbird; I find the profiles on the source machine, move up two directory levels, find the equivalent directory on the new machine, copy with replace. I found:

c:\Users\name\AppData\Roaming\Thunderbird

on the Win10 machine, and

Home/snap/thunderbird/common/.thunderbird

on the Ubuntu machine, so I copied the files from the first to the second.

Having done that, when I start up Thunderbird, it displays a page saying "Set up your existing email address". If I do that, of course, it will create a new profile, and I still won't have the old one. I've tried creating it manually, but (a) I don't know how I will then merge it with an old profile and my thousands of email messages, and (b) I'm having trouble figuring out the incoming and outgoing server settings. I remember struggling with that back on Win7 or whenever it was.

Anyway. Anyone got suggestions on what might be going wrong here?

That's a weird one, but I did some testing, and I am sure it is some problem with my Thunderbird or configuration.

Here is what I do. I received an email. I reply to it. I see the reply in the Sent folder. Then I click on the reply and choose to reply to that (as a follow-up email). I verify the recipient is correct and send it. They received my email, but I can no longer find it in my Sent folder. It is nowhere to be found. Tested with another email client - everything works as expected.

Does anyone have a clue what I am doing wrong??

When using shared group calendars (as it's commonly found in small companies) all events that are marked as "public" are visible with details on personal calendars that are shared on some public calendar. Changing to "private" solves, but one need to remember doing this while creating an event.

It would be very useful to have an option for switching to "private by default" when creating a new event. Any possibility? Anyone else with the same need?

The operating system is Windows 11, and the following content is configured in the HOSTS file on the C drive: 192.168.10.10 www.simon.com 192.168.20.10 www.simon.com There are two private network servers providing website services, with server A's IP at 192.168.10.10 and server B's IP at 192.168.20.10. Then use Firefox to browse the website www.simon.com and set up Firefox's network.dnsCacheEntries、network.dnsCacheExpiration、network.dnsCacheExpirationGracePeriod Three configuration items are 0. When accessing normally, www.simon.com points to 192.168.10.10. When the 192.168.10.10 server fails, will it redirect to 192.168.20.10. What is the latency for switching domain names in Firefox? What is the mechanism for switching?

We are experiencing an ongoing issue with Firefox that persists even after performing the following troubleshooting steps: - Uninstalled Firefox completely. - Removed all browser add-ons and extensions. - Reinstalled the latest version of Firefox. Despite these steps, the issue still occurs: Browser crashes, pages not loading, extension not working. Additional Information: - Operating System: Windows 11 Pro - Firefox Version: 145.0.1 - Error Message:

We would appreciate guidance on resolving this problem, as standard troubleshooting has not resolved it.

Thank you in advance for your assistance. Kind regards, Edward

‘Service provider advised me to go to Cookies & Site Data select Manage Browser button in the search websites bar type themessagingco.com.au then Select this entry from the list and Remove & save’ for ‘Thunderbird’

Hello,

let me tell you that I have a few hundred email filters defined, and they (almost all) work fine.

There are three filters that cause problems, and it looks like the problem sticks to the sender.

Let me expand: FAZ, REWE, and Campact cause problems. Two out of three emails from these senders can't be moved to the target folders. I get a pop-up messeage telling me that I have to repair the folder. I do so, and a few days later the same problem comes up. Just for these three senders.

I searched all folders for filters for these three and removed all filters I could find.

Then I created a new folder as a child to the inbox folder, and a new folder inside of this folder to hold emails from FAZ. I defined a new filter rule, as the old ones were removed. Worked for a few emails, and, voila, the message pop-up came again, telling me there are problems moving the email over to the (new) target folder.

Let me repeat: all other filters work fine, just emails from these three senders cause problems.

Any idea where I could have a look, a switch to check?

One last information/idea: all three have different email addresses they send from, I will check the ones that do not work, maybe there is a clue.

I am using POP3/SMTP, not IMAP.

Hoping for a tipp, a clue, an idea -

Georg

When switching apps from Firefox to other apps, it almost always reloads the webpage. This is annoying in the certain scenarios

1. After I enter my username, it goes to a password page. I switch app to my password manager to copy my password. Comes back to Firefox and it refreshes, going back to username screen. Impossible to login. 2. After I enter my username and password, I need to go to SMS or Outlook app or Authenticator app to obtain the MFA code. Comes back to Firefox and it refreshes, going back to the login screen. Impossible to login.

This happens to various websites. I have no issue with Chrome or Brave on the same phone. I even tried terminating all apps leaving with just Firefox and the same symptom happens. Memory is sufficient, my phone has 12GB of RAM.

Using latest Firefox browser, when I open Google and want to ‘paste’ a word, it will not let me. Instead I get this default message, that I can’t delete. I can type anything I want, but I can’t ‘paste’ a word or words. How to fix please? HP desktop PC Windows 11 64 bit I see there is a 'new' (to me) AI mode icon in the 'same' search window as where you type on the 'right' of the search box. Maybe I just haven't noticed because I didn't have an issue before.

Thanks in advance for any suggestions

After a re-start, my Firefox browser on a Dell laptop lost all history and has since also not been collecting websites visited. When opening a new tab, the shortcuts and recently visited websites are also gone and no longer being collected. My CCleaner recently updated itself to a new version but I unchecked the delete history for Firefox (which treacherously is clicked by default - I fell into that trap before). Happy to blame the new CCleaner but that would not explain why history is not being collected now - to me the fault seems to lie with Firefox instead. Another possibility that went through my mind: Is Microsoft sabotaging users of Windows 11 to force them to buy new? PS: Under "Privacy", "History", the setting is "Firefox will remember history", as it always has been and should be. But it has forgotten all previous history and it is no longer collecting any new history either!

Recently the shortcuts on the Firefox browser started being greyed out and not accessible. Using iOS ver 18.7.2. Tried lots of different things to chess them but no luck so far. A major impediment to usability

Thanks

When I use Gemini 3 visual layout function to generate a homepage-like page, but Firefox cannot show any content of the result. It works fine in Microsoft Edge and Google Chrome.

My bookmark features has stopped working. When I click the star, it does not turn blue and I cannot bookmark anything. Is there a fix? I have stuff in the bookmark area and would not like to loose it.

Hi Mozilla community. I wanted to pose this question based on years of d/l's of a specific community built game Unciv (on github).

The repo and experience are cleanly maintained by competent devs. Releases are provided for several platforms, including as an Android signed apk.

I tend to keep up with the latest release rather than waiting for a new version on Google Play. This implies download of the apk, install. Firefox puts significant scrutiny on this signed apk, downloaded from a generally safe site (github), from a repo with ~10k ⭐'s.

I feel Firefox could be a bit more coherent in its security compulsiveness (which is not unreasonable to have). Of the above, starting with the signed apk, this is a practical opportunity to have a checkbox for an allowance sidestepping excessive scrutiny in future downloads that fulfills the download phenotype. Because change is implicit, a failure on the phenotype check could trigger a notice with check, a shifted allowance in the phenotype identity, versus compounded.

diligence check: I posed the above to gpt 4 & 5.1, answer there is this can't happen without some work (for android), but has merit. Posing q.