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On June 10, 2025, Windows installed an automatic update. This caused my Dell laptop to freeze every 2 to 3 minutes and I would reboot and start over. After 4 days of this trying every fix I could think of, I took it to the local computer repair shop. He said my video driver was bad. I think that was caused by an interaction with the Windows update. He fixed the video driver. Now the problem is I can increase the font size in Firefox fine, but I can't increase the tab and address bar sizes no matter what I do. I have been searching for days and trying everything suggested. Do I have to take it back to the repair shop or can you help me?

I prefer to use Firefox with WordPress when coding. I use an important plugin that gives me SCSS fubctionality that used to work without issue in Firefox until recently. The problem is conflicting keyboard shortcuts, namely tab selection "command + option + up arrow", and "command + option + down arrow" (on a Mac). I would like to reassign them, or better yet, set them to "false" as i never use the feature. I have tried many suggestions online, and none are working. Any help solving this would be much appreciated. Thank you.

The book mark side bar has become very dark ( BLACK ) since the your latest update and is not really visible. How do i change the writing so that it can been easy read ( WHITE )

I use Thunderbird 128.10.2 esr (64-bit) on a Mac Book Pro. For some reason, I can no longer change the font color of my outgoing messages. Even my saved templates now all have black text rather than the black and red text that I set them up with.

I didn't change any settings or preferences - this must have happened when the software was automatically updated.

How do I change the color of the text? I only want to change the color of specified parts of my email - not every word.

I understand, it's not an easy task, but the browser becomes unusable, if every time I install a new extension, there is no quality check whatsoever, and I end up having to restart in troubleshoot mode to find out which extension is causing parts of the webiste I am visiting to now show up. It's just frustrating. I very much value having to many extensions and that's why I use Firefox on a mac as the main browser, but something has to be done. Extensions should satisfy some basic rules and not cause malfunctioning!

After loading the new update for TB on laptop, it successfully uploaded one of my 6 email accounts, my primary one protouch@comcast.net, and it works fine, can send and receive emails no problem. BUT when I went to load my other comcast.net accounts I keep getting an error message from the server. Have tried over and over and don't know what to do. But the email accounts (all of them) load and work well on the BLUEMAIL account on my phone and also on my laptop, but TB doesn't. Any ideas? HERE'S THE MESSAGE I KEEP GETTING - and I've checked all the settings and they are correct, plus I've tried it with VPN ON and OFF, same results. Bill

Unable to connect

An error occurred during a connection to localhost.

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer’s network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Thunderbird is permitted to access the web.

P.S. One more problem - when TB loaded it did not bring over my address book, but I do have a complete address book on my bluemail account. Anyone know how to download my BM addresses and load them into my TB book? Thanks

For neither of the two web pages below can I get Firefox to autofill a successfully stored username and password.

I've tried inputting the login information and answering yes when Firefox asks to save. I've also tried to manually enter the URLs and login information into the Firefox password manager.

I've also set up custom permissions for each site - allow popups, location, etc etc. And I've turned OFF Enhanced Tracking Protection entirely for both.

In ONE instance, I went to the page, and Firefox HAD entered username and password. But as soon as I logged in, the bank in question sent a 6 digit text in order to reach my account. That was successful, but upon attempting a later login, autofill was no longer working.

The websites are acting as one would hope with Safari - MacOS is offering to enter the password.

link text https://www.barclaycardus.com/servicing/home?redirectAction=%2FaccountSummaryOnLogin

I get this error code when I click this link: https://app.getresponse.com/click.html?x=a62b&co=zuZIy&lc=hxmU75&mc=Iu&s=Hb9xCO&u=qU&z=EF9yGAP&

This is for any link on 1Funny.com Newsletter

Using Windows 11 just reloaded on new hard drive (Solid State). Old hard drive took up smoking. This error does not happen on any other site and did not happen before.

Dear users,

I installed thunderbird on my pc only to open .mbox files containing archives from past years.

I read in the guide I need to add a plugin called ImportExport NG to open mbox files, but first I have to see the "local folders", which doesn't exist.

I attached the screenshot of thunderbird just installed on my pc and launched. I miss the "local folders".

How can I fix?

Thanks

Firefox mozilla recently updated, now the bookmark side bar has made the fonts dark on a dark background, now unreadable. How do I change the fonts back to white on a dark background?

why did the newest firefox update change my bookmarks to black text over slightly less black background? and where is this 'easy to find' setting found in the quagmire that is settings?

The recommended methods, changing to this in the registry :

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox\Certificates] "ImportEnterpriseRoots"=dword:00000000

Reverts back to 00000001

Put this policies.json and did nothing: {

 "policies": {
   "Certificates": {
     "ImportEnterpriseRoots": false
   }
 }

} What am I missing or what's changed?

My specific need at the moment is to add another search engine option in about:preferences#search

Thanks.

Hi,

I have just started using Thunderbird and I'm trying to change the default colour for a hyperlink.

I have tried about:config -> browser.anchor_color and browser.active_color but neither has worked.

I also tried using a user.js file but that didn't work either.

I would have thought this would be a fairly basic thing but it seems to be impossible.