Addons not work anymore in old FF versions

Some quite strange questions, which I'm not sure to which category it belongs to, While I use last FF on my main machine, I have another machine that still use firefox 56… (funda kabanzi)

Some quite strange questions, which I'm not sure to which category it belongs to, While I use last FF on my main machine, I have another machine that still use firefox 56.0.2 since I like some of the addons there that never been remade/updated to newer FF versions,

It worked fine for years but suddenly all of the addons are disabled no matter what I've tried to do, Using backup, reinstall, about:config and setting xpinstall.signatures.required to false, you name it,

I was wondering if Mozilla pulled the plug on something or if some fixed date for things to expired has arrvied, As well as if there's a way to fix it in the settings/other means?

Some people said that Dev or Nighty edition can actually turn the xpinstall signatures to false while normal FF might have the option but won't actually do it, The problem is that I have no cluse which of their versions is equal to good old 56.0.2, Can anyone tell me?

Thx

Asked by FireKyuubi 3 amahora adlule

Last reply by TechHorse 1 ihora elidlule

how can i (re)enable my extensions ? using os 10.10.5 ( suddenly "unverifiable" and diabled 3/16/25 )?

Hi there, im using a grandfathered firefox due to my old OS (10.10.5) Tonight ( 3/15/25 ) all my extensions (duckduckgo, adblocker plus, badger, etc ) were disabled. how … (funda kabanzi)

Hi there, im using a grandfathered firefox due to my old OS (10.10.5) Tonight ( 3/15/25 ) all my extensions (duckduckgo, adblocker plus, badger, etc ) were disabled. how can i enable them again? thank you for your time

Asked by J Heneveld 4 amahora adlule

Last reply by James 3 amahora adlule

OneTab

I have installed OneTab on a Windows 10 platform. Works very well to save memory. Want to add additional tabs to an existing OneTab. Cant find any instructions let alone … (funda kabanzi)

I have installed OneTab on a Windows 10 platform. Works very well to save memory. Want to add additional tabs to an existing OneTab. Cant find any instructions let alone whether its possible. Have tried contacting OneTab a number of times and no response. Anyone from Firefox know anything about this add-on. Thank you.

Asked by mike601 10 amahora adlule

Last reply by markwarner22 6 amahora adlule

explain it to me like I am 5 years old. Updated firefox, still can't get addons to work.

very frustrated, and pissed at how programmers always screw things up that are working just fine by upgrading crap. Now, I have suddenly had all of my addons quit working… (funda kabanzi)

very frustrated, and pissed at how programmers always screw things up that are working just fine by upgrading crap. Now, I have suddenly had all of my addons quit working, was forced to update my firefox. Nothing changed, and it still shows that I am using version 105, instead of the all-new, better and fancier, singing and dancing crap that is being forced upon me.

Asked by russellofthedesert 11 amahora adlule

Last reply by jonzn4SUSE 7 amahora adlule

FIrefox not rendering a Figma prototype correctly

I found that my Figma prototype works in all other broswers, but appears mangled in Firefox. I've restarted and tried troubleshoot mode, but issue remains. See attached s… (funda kabanzi)

I found that my Figma prototype works in all other broswers, but appears mangled in Firefox. I've restarted and tried troubleshoot mode, but issue remains. See attached screen shots for ramdom background color for text blocks.

Asked by paul692 1 usuku oludlule

Last reply by jonzn4SUSE 7 amahora adlule

All of my addons are disabled and won't re-enable!

All of my addons are disabled and won't re-enable! They all say "addon name" could not be verified for use in Nightly and has been disabled. See attachment clipboard00.… (funda kabanzi)

All of my addons are disabled and won't re-enable!

They all say "addon name" could not be verified for use in Nightly and has been disabled. See attachment clipboard00.jpg

If I try to install an addon from the recommended extensions settings (for example "return youtube dislike ") I get a message bubble stating "The Addon downloaded from this site could not be installed because it appears to be corrupt. {OK!}" See attachment clipboard01.jpg

The message above about addons appearing to be corrupt happens if I go to any of my current addon pages and try to redownload them.

Asked by Greg Stanford 1 usuku oludlule

Last reply by James 12 amahora adlule

cache entry contains virus

One specific cache entry always contains a trojan virus everytime I run an anti virus check. I can't say where this cache comes from as it appears even if I don't open a … (funda kabanzi)

One specific cache entry always contains a trojan virus everytime I run an anti virus check. I can't say where this cache comes from as it appears even if I don't open a single new website. I delete it but it appears everytime I use the Browser again, even multiple times during one session. It is always the same entry code. Is there a way to block a specific cache entry or at least to discern where it originates?

Asked by koljahaerdrich 14 amahora adlule

Last reply by jscher2000 - Support Volunteer 12 amahora adlule

addons stopped and can not install any "corrupt"!

Last night, firefox just disabled all my addons and all attempts to reinstall any failed with a red warning that everysingle one I had or new to add failed. I tried a few… (funda kabanzi)

Last night, firefox just disabled all my addons and all attempts to reinstall any failed with a red warning that everysingle one I had or new to add failed. I tried a few suggestions I found online like refreshing, clearing cash, restarting, but nothing worked.

I have a vwersion 88 (and some change) running on a windows 7 computer.

Any wisdom is highly appreciated.

If I won't be able to fix this, I'll just move on to a different browser after using it everywhere for so many years and it will be sad

Asked by imad.shabeeb 18 amahora adlule

Last reply by jscher2000 - Support Volunteer 12 amahora adlule

I have 6 Firefox tabs open but my system is slow and shows 15 Open Firefox instances

Please assist or advise why Firefox seems to be slowing down my system by memory usage. I have a handful (6) of tabs open on 1 browser session and my system started slowi… (funda kabanzi)

Please assist or advise why Firefox seems to be slowing down my system by memory usage. I have a handful (6) of tabs open on 1 browser session and my system started slowing down so I checked my task manager and it shows that I have more than a dozen of Firefox instances open chewing up almost 90% of my memory.

Please assist or advise me on how to tweak my browser to perform better, and not to show ghost instances

Asked by feroz.bux 3 ezinsukwini ezidlule

Last reply by jonzn4SUSE 12 amahora adlule