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using Mac Sierra with Firefox 115.33.0 installed - message no longer supported - do I need to install the ESR version of this?

Hi, I'm running Sierra 10.12.6 on a mid-2011 iMac. I installed Firefox 115.33.0 in March '26, but now see a "not supported message" in the browser. I downloaded the ESR … (read more)

Hi, I'm running Sierra 10.12.6 on a mid-2011 iMac. I installed Firefox 115.33.0 in March '26, but now see a "not supported message" in the browser.

I downloaded the ESR version of this browser, but when I went to copy to the APPS folder it asks if I want to replace the NEWER one that's already there. ???

Now it says I'm running it on the ESR update channel. Did I just go backwards in browsers? When this ESR expires, if a new one isn't provided then, will I still be able to use/update/install Firefox on this IOS on this iMac?

Thanks! Elaine

Open 1 220

VPN does not show in the toolbar

my firefox is up to date (version 149) but I don't have the icon VPN on my toolbar how can I implement the new VPN (free) in my firefox? thank you for your help … (read more)

my firefox is up to date (version 149) but I don't have the icon VPN on my toolbar

how can I implement the new VPN (free) in my firefox?

thank you for your help

Open 1 170

How to switch from rapid release channel to ESR channel, Win10 Pro ESU

I currently have Firefox 149.0.2 rapid release channel on Win10 Pro ESU. I want to switch to the ESR channel. How do I do that? Is there anything I should be aware of … (read more)

I currently have Firefox 149.0.2 rapid release channel on Win10 Pro ESU.

I want to switch to the ESR channel.

How do I do that?

Is there anything I should be aware of to avoid problems?

Thanks!

Open 3 100

Both Mozilla products, Thunderbird and Firefox, spontaneously disappeared from my computer.

Both Mozilla products spontaneusly disappeared from my computer. Firefox requested a reinstall, and all was recovered. Firefox completely disappeared, and I had to restor… (read more)

Both Mozilla products spontaneusly disappeared from my computer. Firefox requested a reinstall, and all was recovered. Firefox completely disappeared, and I had to restore from backups. I am seriously worried. What is going on?

Open 5 99