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Now the Message Header Customizer I was sent to about a week ago is no longer compatible with Thunderbird 149.0.

Is there another somewhere I can install?

James

The add-on, Enhancer for YouTube, appears to be the cause of a very annoying bit of behavior. My YouTube tabs seem to be all numbered. I hate this. Why make a bookmark, I have to manually remove this number before I can auto sort my bookmarks directory alphabetically.

Worse, there is no part of the description that identifies this bad behavior as being involved with Enhancer for YouTube. I had to go to AI for help figuring out how to get rid of this exceedingly annoying behavior that showed up whenever I used tabs with YouTube videos. I can't imagine anything that this add-on could be adding to my experience that is more convenient than this particular behavior is annoying.

Changes to the appearance of tabs should not be performed invisibly and without settings that I can disable. Because of this, I can only get rid of his horrible behavior by disabling the entire add in. Mozilla put a stamp of approval on this particular add-in. So the dirt is on your face, too.

Hi there,

Is there a way to get checkboxes to select messages or at least a plan to get it in a future release? I saw that there has been an add-on in the past, but not maintained for some years and therefore not possible to use in newer versions. Yes, I know that you can select messages with ctrl and mouse click, but there are others in my family who are not familiar with it and reluctant to get used to it. (have used gmail for too long).

Greetings Grauer

Hey folks, just wondering when the Windscribe add‑on will be moved to the MV3 framework. Other browsers already have it at v4.x and I’d love to see Firefox catch up so we can use the new privacy features. Is there an ETA on the review/approval process? TIA

I have a issue with a browser add-on There is a triangle icon with Len dau English: triangle icon - Go to Top I can not find any way to remove or I have know Idea how it was installed

Any help please

Since the upgrade to Thunderbird 146, the plugin for Allow HTML Temp has been disabled. Following Find an alternative add-on button, I get directed to an upgraded version of the add-on 10.1.1, see screen clip, which states it should be OK up to version 147.

I had the same problem last time the upgrade was to Tbird 144 and Allow HTML Temp add-on was updated to 10.0.8. I followed up with the add-on developer who claimed it was Thunderbird is erroneously rejecting the add-on. They said "Thunderbird itself checks the compatiblity on add-on installation at AMO, where the add-on version 10.0.8 is marked as compatible up to 144 at the moment." I don't understand what the "AMO" term means. The developer sent me a modified version of their update, but closed the issue with "Not an Add-on Issue. Compatibility check on AMO failed."

It looks like the same problem is happening again. Can you please tell me if this is a problem with Thunderbird checking, or is it with the add-on? When will this type of issue be solved?

(I was also told by the developer that I might have changed some feature of Thunderbird from standard, but that is not true)

After having upgraded my W11 system to 25H2, I cannot install any extension. Installation terminates with "... something may be broken". I'm using FF 144.0,2. FF is used in more than one account alternatively.

On a second system, with less security measures, I have no problems.

I am wondering what was the exact reason for disabling the 600% volume extension.

Should the users be worried about credential theft or was the extension injecting affiliate links?

Hello I want to use import-export tool and it is not possible now ? Please repair the function. thanks/CG

Moderator note (Denys): This question has been moved from the Firefox desktop forum to the Thunderbird forum.

I just read a PC World article concerning extensions containing malware. AdBlock was listed and I've been using the extension for some time. Are you aware of this issue? Is the extension available viz Firefox setting/extensions in question. Should I remove it?

My Signature Switch extension recently started turning itself off. That means that every new email I write, I have to turn on the Signature Switch. For some reason, it no longer remembers it's supposed to be on between emails so for every new email I write I find it switched off again.

I'm hoping its just a setting somewhere. Can anyone help me figure out how to fix it? If not, is there a decent replacement?

I'm using Thunderbird vesion 149.0 (64-bit) on Windows 11. Our Email host has a 100 emails per hour limit. We need to send out 400+ emails to subscribers and are having issues with using only Send Later and BCC being rejected by certain email domains and or going to spam. Is there a way to use both Mail Merge and Send Later to send 100 emails to the recipients {{Email}} {{Name}}, pause one hour send another 100?

Is anyone monitoring this community? Has it been abandoned?

I've been having an ongoing problem. I fixed it myself, because after posting here, I had zero responses and didn't know what to do, so I messed around and tried things on my own, which seemed to fix it. But apparently, it is not fixed, and I still don't know what to do. A Firefox expert I am not.

Very simply, I use two different computers, each 2000+ miles apart. Each time, and this has worked for well over 3 years now, the entire computer is copied to a backup. The backup data is restored, the current Firefox profile, as well as the Firefox program. To repeat, this has worked for well over 3 years now.

In order to get the extensions working, that requires disabling and then reenabling each one. (Otherwise, Firefox will not access the internet.)

This time, the extensions were disabled and enabled, and everything appeared to be working fine, but nope, not a single extension works. Even choosing a different extension that is normally disabled doesn't work.

I used to use Adaware, which is on the disabled list, so I disabled the non-working Ublock Origin and enabled Adaware, and it doesn't do anything. The ads roam freely all over the page. They pop up and dance around.

Not one extension will work. New, old, enabled, disabled, whatever. Nothing.

Does it bear repeating that I am not a Firefox expert? Without an answer from someone who knows what they're doing, I may as well switch to crap, inferior Edge with the zillions of dancing, pop-up ads. And I hate Edge.

I'm begging for an expert to help here.

Every time I see a box to enter a username or on some websites, any box that needs information filled in, a pop-up box appears that says "unlock your password manager." I was finally able to get to a website at moz-extension://b5ea3638-1832-4174-a490-4c5e77c0dbc6/html/index.html. The page says "Welcome My Financial Expert Password Manager securely stores, organizes, and autofills your logins, passwords, and more. Sign in to get started." Is this a legitimate mozilla extension? Is this a scam? How do I get rid of it (it's REALLY annoying!)? Thank you for your help and any insight.

Hi again, your answer didnt help - below you see the message I get when trying to book a flight on sas.se

kind regards Jan Collborg

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