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The issue has been "An error occurred connecting to mail.mediacombb.net:993." on the server page, where you can "test connection to server" in Account > Server Settings > Security Settings. I get the same error message for each four different accounts. I have no problems with the other two different accounts not associated with Mediacom (MC). I contacted MC and they said my settings were correct and to contact TB. I have read several posts with no real solutions except that was resolved through an update. I plan to switch to a different Linux distro later. I am currently using Big Linux Manjaro with the latest update. Note that I had no problems with TB until last month. I do not do the uninstall/reinstall apps unless it will resolve my issues as a last resort. Second, sometimes I receive MC e-mails and did not run the "test connection to server," then until today while troubleshooting for several hours. I was trying to send out an e-mail, which I had no problems last week. I already went to Account > Server Settings > Advanced and changed the "Maximum number of server connections to cache" from 5 down to 1 with no luck.

  The e-mail server settings are:

imap.mediacombb.net 993 SSL/TLS Normal Password and smtp.mediacombb.net 587 STARTTLS Normal Password They have not been changed since I switched from windows 10 to Zorin 18 to currently Big Linux Manjaro. I attempted to locate a method to check if the server settings were correct via Terminal. M$ Outlook has a test page that you can send to yourself or another e-mail account. Last, MC tech informed me that M$ Outlook is more friendly than TB. I know that I have used M$ Outlook for years and rarely had any connection issues unlike TB. Unlike Evolution, which was my first after M$ Outlook, TB is much better and easier than Evolution. Thank you in advance for your time and advice.

Hello Thunderbird Support, I am experiencing a severe IMAP folder synchronization loop with my Yahoo Mail account ([redacted]@yahoo.fr) inside Thunderbird. Yahoo Support claims the issue is caused by Thunderbird's folder mapping, so I am reaching out to you for a solution.

1. 1. The Problem:

The system-protected folder "Bulk" (Spam) has somehow been moved or mapped as a subfolder inside the "Trash" folder.

• In the Yahoo Mail Web UI (Chrome), the subfolder is invisible, but the Trash directory shows an arrow (^) indicating a child folder exists.
• In Thunderbird, the Bulk folder is clearly visible inside the Trash folder, marked with the flame (Junk) icon.

1. 1. What goes wrong:

When I delete spam messages via Thunderbird, they get trapped inside this nested Trash/Bulk directory. If I try to delete or empty it, the emails disappear but the folder itself cannot be removed.

1. 1. Steps tried so far that failed:

1. Attempting to delete or rename the Bulk folder inside Trash gives the server error: [CANNOT] DELETE failed - Mailbox is reserved. 2. Using Shift + Delete on the folder is rejected by the Yahoo server. 3. Unsubscribing from the folder via "Advanced IMAP settings" -> "Show only subscribed folders" fails; Thunderbird re-downloads the structure on the next sync. 4. I have completely deleted my old Thunderbird profile folder and created a brand new one using thunderbird.exe -P. Upon adding the Yahoo account via OAuth2, Thunderbird immediately pulled the same broken Trash/Bulk structure from the server again.

Since Yahoo refuses to help and claims Thunderbird caused this mapping loop, is there a hidden config setting (about:config) or a database override in Thunderbird that can force the server to release or move this reserved folder back to the root directory? Thank you for your assistance.

For at least a few months now, my browser will suddenly and randomly go fullscreen all by itself. I can't exit it, and then it goes back to normal after at most a minute. It hasn't happened in at least a week. But today, it froze like that, not responding. I quit firefox, waited a bit, then restarted it. It went fullscreen and froze again. I waited at least 10min and it then went back to normal and responded again. It only happens when using firefox. I've done virus scans, etc, and it still keeps happening. Please help. Thanks.

Environment:

Firefox on Windows Web app prints PDF by creating an iframe with a blob URL, then calling iframe.contentWindow.print() Library behavior is similar to print-js (PDF iframe print flow) Problem:

When Firefox PDF handling is set to “Open in Firefox”, printing mostly works. When Firefox PDF handling is set to “Save File”, the same blob iframe print flow often fails: print preview shows blank page / about:blank or preview shows an extra trailing blank page print dialog options also differ from normal PDF preview flow What I already confirmed:

iframe src (blob URL) looks valid and similar in both settings issue is reproducible with same PDF data fallback to image-based printing works but degrades UX (different print panel/options, possible scaling differences)

After updating Firefox to the latest version (154.0) a short while ago, Firefox now insists on adding a “Firefox” icon to my Start Menu every time I open it. I do not need or want this additional icon, as I already have all the Firefox icons I want in exactly the place(s) where I want them. I am not finding a toggle for this behavior anywhere in the Settings menu structure, although I might be overlooking it. Is there a way to stop this annoying behavior besides rolling back to version 153?

(I am running Windows 11 on a desktop PC with all updates installed, and Firefox is set as my default browser.)

I have a lot of emails stored in different local folders. My search now hang. They go so far than just hang. Is there a way to rebuild the complete indexing for my thunderbird install?

When using Firefox and right-clicking is there a way to change the color and text of the pop up box? I do not want to change the theme I am using. The first picture is if I right click on the main screen of a website and the second is if I right click on the menu bar/toolbar. I simply want to change the color at the least of the first box into the second without going to a full dark theme or having the white backgrounds of web pages having to change to black. Thanks.

usually when i click my keyboard's knob thing, it will pause and unpause whatever media is playing. but recently it's stopped doing that. it will work for anywhere between 2 mintues to 30 minutes, but eventually it stops. the only way to make it work again is to refresh the page or start a new page. the troubleshooting steps i've taken is: -close other media software (spotify, other tabs etc) -gone to abouy:config and typed in mediakey to check it works. also turned it off and on for good measure -turned off xbox gamebar -turned my pc off and on again. none of those worked i also thought it might be autoplay being turned off, but it didnt do anything. please help. thank you

The password saver and autofill has worked for me for many years. However, recently (08/18/2026) on many login pages that I regularly use, it will not !! I did discover that, if I supply the first character of the USERNAME, only then Firefox will supply the rest.

linux, firefox, and duck duck go search engine---i want to stop picture in a picture. include every instruction like if i am to use the address bar, where do i find that?

hp. Chromebook- downloaded , Crome? won't let it work? try to click, bur courser disappears when it crosses into Firefox?? Is blocked by Gaggle? what do ya'll think?

i clicke on Facebook i clicked on any website or app and it keeps satying before it loads that firefox is running why is it doing this so now i can not use firefox

Tonight when I launched Firefox, I started getting everything opening in a new window, rather than a new tab, which is what I have indicated in settings and have always had before. Even if I drag a tab from a new window to a previous window, I cannot close the tab. All I can do is close the window.

I've been trying to add proton pass to my android so that it will pop up when prompted at a website for username and password. I could not find it as a Firefox browser extension

Please help