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Cannot install any add-ons or themes: "Download failed. Please check your connection."

Hi, I cannot download & installed any add-ons or themes. After clicking the install button, I always get a red bar saying "Download failed. Please check your connect… (read more)

Hi,

I cannot download & installed any add-ons or themes. After clicking the install button, I always get a red bar saying "Download failed. Please check your connection.". This happens on Firefox, Firefox beta and Firefox nightly.

I did some googling and found similar posts from a few years ago. These seem to suggest I don't have the correct certificate used to verify extension signatures:

I checked my certificates and I don't have anything from "Mozilla Corporation - signingca1.addons.mozilla.org" (there's a screenshot of this cert in the first forum link above), so I think this is indeed the issue? I've attached a screenshot of my cert list where the Mozilla cert should be.

Please note I am on an M3 Pro macbook pro. It's a work laptop and I thought maybe our network settings were interfering with things, but my previous work laptop (Intel) could install add-ons just fine.

Would appreciate some help!

P.S. I found a workaround where I copied over all extension JSON and XPI files from my old laptop. So I am using my previous extensions just fine but still cannot download any new ones. Also I don't have access to my old laptop anymore so can't copy over any new ones.

Asked by yusufmahtab12 3 months ago

Last reply by zeroknight 2 months ago

Firefox automatically download files .docx from facebook page as pdf

Hello, I have problem with firefox. When I try download from facebook page files .docx, .xlsx (Microsoft Office) Firefox automatically download it as PDF and file is brok… (read more)

Hello, I have problem with firefox. When I try download from facebook page files .docx, .xlsx (Microsoft Office) Firefox automatically download it as PDF and file is broken. I don't know how to repair this. Please help, it is very frustrating.

Asked by Mateusz (Mateuszy) 1 month ago

Last reply by cor-el 1 day ago

I set Firefox to default browser but Edge launches when clicking a link

I recently got a new computer (HP Dragonfly) and set Firefox as my default browser but when I click on a link from Outlook it opens in Edge. I'm using Windows11. I hav… (read more)

I recently got a new computer (HP Dragonfly) and set Firefox as my default browser but when I click on a link from Outlook it opens in Edge. I'm using Windows11. I have: 1) Confirmed in Firefox settings that Firefox is the default 2) Confirmed in Edge settings that Edge is not the default browser 3) Confirmed in Windows default settings that Firefox is the default browser 4) Ensured in Outlook-Options-Advanced that "Open Hyperlinks in from Outlook" is set to "Default Browser" 5) Uninstalled and reinstalled Firefox. Also restarted my computer several times And yet, clicking on links from Outlook continues to open Edge. Please help I really don't like Edge!

Asked by biz26 4 months ago

Last reply by cor-el 4 months ago

my computer updated and i lost firefox

My computer updated with no warning one night, and i lost all personalization and even everything stored in my firefox, the sign ins, passwords, bookmarks, all. is there… (read more)

My computer updated with no warning one night, and i lost all personalization and even everything stored in my firefox, the sign ins, passwords, bookmarks, all. is there a way for me to find all that was erased?

Asked by liz1611 2 weeks ago

Last reply by cor-el 2 weeks ago

Since the latest Firefox update a few days ago, I am not able to log into my Outlook/Webmail account; nothing happens.

Since the latest Firefox update a few days ago, I am not able to log into my Outlook/Webmail account; nothing happens. I can access it on google chrome but not on Firefo… (read more)

Since the latest Firefox update a few days ago, I am not able to log into my Outlook/Webmail account; nothing happens.

I can access it on google chrome but not on Firefox.

Asked by btlandy1 5 months ago

Last reply by cor-el 5 months ago

My email address has to change as Internode has closed down

Craig Davies is my name and I live in Adelaide Australia. 10 Days ago I received advice that my email address is closing in a week so I have had to get a new email addres… (read more)

Craig Davies is my name and I live in Adelaide Australia. 10 Days ago I received advice that my email address is closing in a week so I have had to get a new email address. I can't work out how to change my email address and password in your records. My new email address is [edited] @gmail.com My old email address was [edited] @internode.on.net. Can someone please advise me how I notify firefox of this change

Asked by daviescj 5 months ago

Last reply by James 5 months ago

Finding saved bookmarks from an external drive

My hp laptop crashed. I was able to remove the hard drive, put it in a sleeve and I trying to find my firefox bookmarks. All of my other files are there. I have tried eve… (read more)

My hp laptop crashed. I was able to remove the hard drive, put it in a sleeve and I trying to find my firefox bookmarks. All of my other files are there. I have tried every path posted online and i still cannot find them. I found two mozilla files but, no bookmarks. Can you assist? I dont know where to look.

Asked by claudinelwlr 5 months ago

Last reply by cor-el 5 months ago

no autoupdate recieven on systems after these setting (screenshot)

Hi, i want to autoupdate firefox silently on a bunch of servers. When the mentioned settings are in place i'm still promted to update firefox when opening it. This isn'… (read more)

Hi,


i want to autoupdate firefox silently on a bunch of servers. When the mentioned settings are in place i'm still promted to update firefox when opening it. This isn't possible for the users as this is something a systemengineer should do. Is there anything i'm missing for a silent autoupdate? There is no JSON file in place. these settings have been distributed by a GPO.


Kind regards,

Remco

Asked by r.hardy 5 months ago

Last reply by zeroknight 5 months ago

Browser failure, endless crash

I just updated my Firefox browser. Now it doesn't work: "tab is crashed" - an endless chain, always again this. You should try harder to release bugfree software ... Wh… (read more)

I just updated my Firefox browser. Now it doesn't work: "tab is crashed" - an endless chain, always again this.

You should try harder to release bugfree software ...

What about short-time help?

Asked by ha_leonhardt 5 months ago

Last reply by cor-el 5 months ago

Firefox has ended support for Windows 8 and Vista but I don't use these and therefore can no longer update - why

I have been using Firefox for ages and never had a problem - love it - but now I see the remark: Firefox has ended support for Windows 8 and Vista on my screen at the rig… (read more)

I have been using Firefox for ages and never had a problem - love it - but now I see the remark: Firefox has ended support for Windows 8 and Vista on my screen at the right top corner. It also will no longer update my computer.

I do have and use Windows 10 - so I don't see what is the problem? I tried to refresh and that didn't work either.

Please help because I like to stay with Firefox but I do need to update and keep my computer secure.

I am not very computer savy so please tell me what to do in simple word.

Thank you for your help Christine

Asked by Chris 5 months ago

Last reply by James 5 months ago

Access to my prior emails on gmail

I was told I had to change my gmail account to whatever system you have now. I believe I have taken all the necessary steps, but would like to know how I access the emai… (read more)

I was told I had to change my gmail account to whatever system you have now. I believe I have taken all the necessary steps, but would like to know how I access the emails I had on the old gmail account.

Asked by Connie de la Vega 5 months ago

Last reply by Terry 5 months ago

Firefox Nightly 123

Tried installing Firefox Nightly 123 on an iMac running Monterey 12.7.3. Will not install. Just get the spinning busy cursor and have to force quit. Installs fine in Sono… (read more)

Tried installing Firefox Nightly 123 on an iMac running Monterey 12.7.3. Will not install. Just get the spinning busy cursor and have to force quit. Installs fine in Sonoma.

Asked by dialabrain 5 months ago

Last reply by TyDraniu 5 months ago

csv password file

How do I import the firefox passwords I saved as csv file from firefox into firefox. I am not importing from a different browser which is the only option offered. I'm i… (read more)

How do I import the firefox passwords I saved as csv file from firefox into firefox. I am not importing from a different browser which is the only option offered. I'm importing from the newly created csv file as instructed by firefox.

Asked by gazinnz 5 months ago

Last reply by Terry 5 months ago