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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
Firefox Installation and updates
James replied 5 months ago

How can I change from Thunderbird ESR to Release

Keep on downloading Mozilla Thunderbird Release but it keep coming up as ESR. How can just have Release? My email account with Mozilla is [edited email from community sup… (read more)

Keep on downloading Mozilla Thunderbird Release but it keep coming up as ESR. How can just have Release? My email account with Mozilla is [edited email from community support forum] @pc-q.net can you reply there.

Open 6 209
Thunderbird Installation and updates
david replied 5 months ago

I need to run installer on google

I am unable in run the installer for the updated version of Firefox on my android desktop. Are you able to help me? Thank you in advance Natalie [edited email from commu… (read more)

I am unable in run the installer for the updated version of Firefox on my android desktop. Are you able to help me?

Thank you in advance

Natalie [edited email from community support forum] Johannesburg, South Africa

Open 1 190
Firefox Installation and updates
James replied 5 months ago

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
Firefox Installation and updates
James replied 4 months ago

Downgrade from Release 148.0.1 to 140.8.1esr

Hello, for some reasons I need to downgrade a TB installation (Mac silicon 148.0.1) to the ESR channel, 140.8.1esr for Mac silicon. I read articles in the KB where Mozill… (read more)

Hello,

for some reasons I need to downgrade a TB installation (Mac silicon 148.0.1) to the ESR channel, 140.8.1esr for Mac silicon.

I read articles in the KB where Mozilla discourages this, but I would avoid to move 15Gb circa of emails by hand copying and pasting them...

So is there anyone that has tried this before? Any suggestion how to do it without loosing e-mail in th process?

Thanks fr your support.

Open 2 140
Thunderbird Installation and updates
Rick replied 5 months ago