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Today, while I was using my browser, I got notifications that several extensions I regularly use had been uninstalled - and that was only from the extensions which usually provide that info on being uninstalled!

Uninstalled were: - Tampermonkey - Browsec VPN (what I use when Mozilla VPN is unstable) - Stylus (which I use to make several sites usable/navigable) - Tumblr Outbox (wiping all saved outgoing ask messages I'd previously had saved!) and

Worst of all - ONETAB

Which had ~1000 tabs saved in it!

I couldn't find a way to recover OneTab as-was, so I was left with the option of reinstalling it which, according to the Devs, means that any recoverable data IS lost at that point.

So I want to know which bright spark's idea it was to randomly uninstall people's extensions for no given reason, especially when they're ones for which recovery is difficult to nigh-impossible.

I want to know who did this, why they did this, and what can be done to fix it, because a number of those saved tabs were for work. Others were for personal projects. Usually Firefox bundles this kind of thing in with an update and it usually fixes if you reload the browser - no dice today. So I want to know if I can just expect this kind of meddling going forwards or if I should start searching for a different browser entirely.

I came to Firefox to avoid Chrome nonsense. If I'm going to experience this, why would I continue to pay for the VPN or use the browser?

Using Win.11, FF 160.0 Bitwarden 2026.10.2 Malwarebytes 3.3.9 The above 2 extensions do not play well together. When Malwarebytes is active, Bitwarden does not operate properly even if Bitwarden.com is excluded from Malwarebytes. Sometimes, Bitwarden does not open at all, or I get the uploaded image.

I have been trying to use Rakuten which has been working fine. For the last few weeks I have been getting this message for all web sites I visit: Your ad blocker is working too hard! To earn Cash Back at [all web sites I visit], disable your ad blocker and refresh this page.

Hi,

I've started experimenting with Vibecoding some extensions for myself.. But I keep hitting a problem where TB reports back that folders are stale.

Specifically I'll hit something like this:

[Exception... "Component returned failure code: 0x80550005 (NS_MSG_ERROR_FOLDER_SUMMARY_OUT_OF_DATE) [nsIMsgFolder.messages]" nsresult: "0x80550005 (NS_MSG_ERROR_FOLDER_SUMMARY_OUT_OF_DATE)" location: "JS frame :: resource:///modules/ExtensionMessages.sys.mjs :: getMessagesInFolder :: line 925" data: no] ExtensionMessages.sys.mjs:928:13 [Exception... "Component returned failure code: 0x80550005

Usually when I go look at these folders in the UI, the total-email-count for the folder in blank, but the Size of the folder will show >1kb (eg .. something greater than zero). If I click on the folder, TB updates the summary file and all is well, for a while.

Some folders do report as no messages, and "blank" for file size as well.. but those seem to be genuinely empty.

These types of issues are causing pain in several extension ideas I've had, and I can't seem to figure out a way to handle them.

For example: I had an idea to create and extension to delete empty folders. The original version would encounter these NS_MSG_ERROR_FOLDER_SUMMARY_OUT_OF_DATE folders, and then just wipe them out as TB told the extension there were no emails in it. I found this out a little too late for some folders..

Another idea was to create and manage Virtual Search folders automatically. But I've hit a similar issue there with this staleness and had to skip such folders.

I've tried to get the extensions to trigger rebuilding summary files when we hit this error, but that never seems to do the job. The only method I've found is to open the folder manually in TB. Sometimes I'll find that starting a Search across the folders also helps - but that also tends to bail out unexplained.

I'm working with a lot of emails and folders..

If anyone can help explain why TB "forgets" whats in a folder, and how to trigger a summary-rebuild for a specific folder I'd be interested in hearing it.

Thanks

trying to install an add-on by file and I have turned off the signature thing, I also reinstalled firefox but the same issue keeps happening. it was able to install correctly on the zen browser which I think is built on firefox but idk.

I don't have an icon for ublock, how do I get one so that I can monitor my usage. If I go into Firefox extensions it says downoaded and working. it doesn't show as an app in "my apps"

Hello, I am trying to find extension " IBM Security Rapport " for firefox. It's now showing up on the Firefox extensions list. I appreciate any help you can provide.

thank you

I am not sure what I removed from Firefox settings. It has affected how somethings appear on screen. Here is an example of the what my facebook texts look like now. If anyone know what I removed and how to reinstall it I would appreciate it.

I think it might have had to do with image replacement page. I remember 3 objects on the page and I deleted one, I remember it having show an X logo like musk revamped twitter.

Any help or suggestions are appreciated

I am on a tech page, i,e,. on the wiring of a computer fan speed control. Immediately there is a popup of pictures or even a schematic in centre screen. No movement on screen is allowed. Hitting Return or Space bar makes the popup go away, but as soon as I move the page, the popup (same one each time) constantly keeps returning and i cannot read the article. So the page is totally worthless and frustrating to me.

Is there a way to suppress the popup?

screen shot is from https://wiringpictures.net/3-speed-fan-switch-diagram

I have hundreds of bookmarks and I'm looking for a simple extension to check if the particular bookmark is still active and something that can download bookmark icon. I don't need some elaborate, overbuild extension, just a simple thing that can do just those 2 things. Nothing else. Any recommendations?

Please answer my question above: "Is there a Firefox extension that would block Washington Post popups at bottom RH corner of pages?" THANK YOU! P.S. I have been enjoying Firefox for Mac as my default browser for nearly 20 years.

I need a simple explanation about this and what to do: "Allow RYD to show dislikes and count your votes." I know you have a support multi page explanation but it looks way more complex than I am able to get into.