All Products Support Forum

Sometimes all add-ons / extensions break randomly and are disabled (the icon of the extensions is also broken under "Manage Your Extensions").

The extensions are visible under "about:addons", but the slider is turned off and the icon in front of each extension is broken / empty.

It seems that deleting these 2 files- compatibility.ini and extensions.json inside the firefox profile folder, usually fixes the issue. Only these 2 files though, don't delete anything else.

No need to mess around with the ff profiles or anything else, just deleting those 2 files and restarting the firefox usually fixes the issue with the "unregistered" addons.

This thread is for the search function, as I found some VERY old and outdated suggestions for the aforementioned issue using the search function.

I wonder what causes the extensions to "unregister" randomly.

Thunderbird continues to lose my password for incoming and outgoing mail. Occasionally it works, but I keep getting messages that my password doesn't work / enter new password. When I go to passwords, it does not show the incoming or outgoing servers so I can make sure my password is there. I use Xfinity for my email. It was suggested earlier that it is an Xfinity problem. My Thunderbird email is essentially unuseable. I need it to work!

I've lost my password to log into Thunderbird. There is no provision to change it, and it wasn't saved by Thunderbird password manager. There MUST be a way around this problem. Please help.

I realized since I upgraded my MacMini to 14.4.1 I can no longer 'post' into any of the yard sale/garage sale sites I am on, not even MarketPlace. All I get after a long wait is a 'technical problem' notice. Am I doing something wrong?

Lately, Firefox for Android has started "forgetting" active tabs. I have changed absolutely nothing in the settings. Most of the Active Tabs I've had for years are gone. Now I only have about 5 left & they get corrupted every couple of days. For example, the 3rd one in the attached Screenshot: I'm playing "catch-up" on old Guardian crosswords, currently on 15,179. At irregular intervals, say every couple of days, it gets replaced with an older one, 15,166 for example. I suspect it must have been changed in the Version released on March 19, 2024 (124.0)

Dear Firefox team,

Since the two or three latest Updates of your browsers, a strange bug occours everytime watching a video. When I pause it and let it play again, the video goes under quite some lagging/stuttering. The audio is fine, but the video is not on screen is not. I have to go back on the video bar, so it runs smoothly again.

And before it comes, I already tried the usal methods, such as clearing the cache, clearing browser history, cookies, used privat tab, deibstalled adblocker etc. Nothing worked, and it happens even with different versions, such Firefox normal, nigtly, waterfox etc. And with every video player, not just a specific one. And I teued it on two different smartphones. Is there any solution or planning to fix this?

I want to update to the latest version but the "Text selection magnifier" is stopping me from updating firefox android. Because I find it pretty useless and very distracting when viewing text while selecting the text in a website/article. Please provide a toggle for it in the Settings.

When i try and accept an e-transfer using Firefox, I'm getting an error message "Application error: a client-side exception has occurred (see the browser console for more information". I've always been able to accept e-tranfers in the past.

This morning my Linux Mint PC notified me via Update Manager that an update to FF version 126 was available. I ran the update and it completed with no problems. I use FF as a Flatpak. When I checked the FF version in FF Help>About FF it still showed version 125.0.3 even after restarting FF and the PC. I checked the Synaptic Package Manager on my PC and it shows that my current FF version is 126. The Software Manager shows the current version is 125.0.3. Why is FF still showing the previous version after I ran the update for 126? I'm concerned that I might have a compromised FF even though I updated it via Linux Mint Update Manager like I always do for any program updates. Thank you, Colin

Can someone please answer how to reset firefox size after you've been using a bigger screen and go back to the laptop the top bar is lost way up and I cant catch it to move it to resize the firefox window. Using Fn and F11 to go into maximize mode doesnt help me at all cuz I end up in full screen on the FHD screen but cant grab and drag the window to resize it again - and please NO comments about using FN and F11 again. This is an issue thats been since years - cant figure out why ppl who are tryin to help think others dont know the difference between maximization and the window being bigger than the laptop screen and being lost. So FIREFOX key-shortcut for window size reset URGENT PLEASEEEE - Im having this issue couple times a week. To fix it I gotta go again to the bigger screen reduce the size of the window and then disconnect - which is soooo horrible.

I am not able to share website links to Google Messages using Firefox Nightly for Android, version 127.0a1 (Build #2016020495).

Steps to reproduce: open email message, tap on a link, once the link opens in the Powered by Firefox Nightly screen I tap on the sharing icon, select Google Messages, Google Messages opens but the link address is not pasted on the compose message box. Trying to manually copying and pasting the link has the same result. The only way to be able to share the link is to open the link in Firefox Nightly (the full browser) and then share it.

This happens on a Google Pixel 8 Pro using the latest Android 14 version with related updates.

I sent an email with multiple BCCs and no CCs or TOs, I put myself as one of the BCCs.

I did not receive it and I do not think anybody else did as well since I asked a few people.

The email is in the sent folder. I tried forwarding the email from my sent folder to myself as CC, and that worked. I also tried fowarding as BCC, and that worked.

So what is going on? Is BCC working? How can I know for certain? Do I need to foward the email as BCCs to all my BCCs to get this to work?

Thanks for your help.

R

Hi, I am not sure how it happened, I am now in a position where I can't use my Thunderbird properly. Every time I open TB, it asks for "please enter your Primary Password" which I don't have/deleted? If a try to remove the tick from "Use a Primary Password" it opens a box requesting my Current Password, I have tried the last one and the one before, none are accepted. When I search in Saved logins, it seems to me to be empty. in short I seem to need a current password to change my password. It is a vicious loop. Can any one help sort this out, Please Thank you from Ilio Pieroni

why om last updates all my hotmail accounts keep asking me for passwords ? everytime i need to login... your older version was best then this.. i think you make updates with problems , how can i get the older version only ?

Within last 2 to 3 weeks I noticed that when I click Get Messages the momentary line of text at bottom-left typically says "there are no new messages", or the "number of messages" about to be downloaded. (This is not the notification window at lower right.) Recently the number of messages actually received is not always correct. For instance, this morning the message was clearly "downloading messages 3 of 3", but only one appeared as a new, unread message in my inbox. This has occurred several times, sometimes qty is correct, sometimes not. My first question is whether this is a bug in Thunderbird, or something I need to pursue with my email provider? Second question: I am only requesting those for my account, but might the "missing messages" be downloaded for my wife's email?

If missing messages are for my wife how do I fix it so I only download mine? She doesn't have admin rights and I made no changes to our account settings. If missing messages are not hers then I am seriously concerned about this issue.