Firefox Support Forum

Recently Firefox always has the error "failed to check for update". I have tried restarting my pc and running as admin. I am on windows 10.

I have been able to manually install the latest version by installing it over the top of my current install, how can I fix the error to be sure that my browser will auto update?

Thanks

Hi! On the latest version Mozilla Firefox 125.0.1 when i download .docx files i get the message 'File not downloaded: Potential security risk.' I select Allow download and the file downloaded can't be opened.

Thanks!

I am not sure when exactly problem started but for few months I have problem with automatic update of firefox. It properly detects update and downloads it but when I click to restart browser and apply update (this should close browser and display update install bar) nothing happens - browser simply closes. When I launch it again and go into "about firefox" again I see spinning circle next to "installing update". Of course this update never installs. When I close it for 2nd time and go into "about firefox" it goes back to "update ready to install, click to restart" - and again, when I click it browser simply closes without restarting and installing update. I tried removing my profile, using safe mode, disabling antivirus. Issue seems to be related to firefox itself. I also tried removing mozilla maintenance service but it did not help. Does anyone have any idea what could be causing this? For now only way for me to update firefox is manually download full installer from website and then it installs latest version without any problems - until next month comes and I have to update it again.

My job requires me to download and open files in new tabs consistently. However, when I download these files, I don't want the download panel to obscure my vision. Can I disable it?

Hi, new updates on Version 98.0.1 quite a hassle for me. It auto-download all my files even when I just want to view. Is there any other way to disable this feature? I opened Setting>Download but there is no disable button or checkbox for that. Please help me. Thank you in advance.

I don't have time and effort to describe the scenario as I am getting sleepy. But I have pics to describe what I have experienced. But having that experience, I felt started to hesitate downloading your installer of mozilla firefox but I nahhed it to continue installing until I successfully installed mozilla firefox.

EXAMPLES OF URL WITH SAME EXPERIENCE:

MICROSOFT EDGE: https://cdn.stubdownloader.services.mozilla.com/builds/firefox-stub/en-US/win/3939fc619c92d2815b531fb111838420a073643482c5036670ddaeba36f1cc79/Firefox%20Installer.exe

GOOGLE CHROME: https://stubdownloader.services.mozilla.com/?attribution_code=c291cmNlPShub3Qgc2V0KSZtZWRpdW09KGRpcmVjdCkmY2FtcGFpZ249KG5vdCBzZXQpJmNvbnRlbnQ9KG5vdCBzZXQpJmV4cGVyaW1lbnQ9KG5vdCBzZXQpJnZhcmlhdGlvbj0obm90IHNldCkmdWE9Y2hyb21lJnZpc2l0X2lkPTE2NzgzNDgyODMuMTY0ODczOTQ0Mw..&attribution_sig=380ddd133c31ec40f8c51acb6a79d9db8985f0ae84092734780c578740e33547&lang=en-US&os=win&product=firefox-stub

I just concern.

I bought this laptop because it had Windows 10 so I could download firefox, The laptop immediately updated to Windows 11, no way to stop it. I am locked out of my microsoft account, have been for years. How do I get firefox downloaded ?

I am following all the instructions. It has continued to fail for the past year. I've uninstalled ff and reinstalled ff. I've tried creating new profiles. I can import everything into Chrome or from Chrome to MSE, but NOTHING will import into ff from any other browser.

i recently lost my computer to destruction. i have a number of files saved by Mozilla backup on a thumbdrive. i have several backup files dating from 2014 all the way until now. after re-installing Firefox on a new computer, i tried MozBackup to restore my old Firefox from the latest file dated a coupla of months ago this year. the files have names like Firefox 16.0.2 (en-US) - 2013-01-05.pcv or .pfc. when i tryt and load it into backup it saysit isn't a valid backup file. how can i get this to work?

Some how Yahoo jumped in and displayed a yahoo Home page with no way of deleting it. I tried installing Firfox..But it became stuck half way..what should I do to get back to Firefox ?

Hi,Why is download showing up on nearly all sites I go to & HOW do I get rid of it permantently I can close it by hitting the X beside the Download,but it Should not be there Thanks Darryl

firefox updated itself, which normally would be fine, but now there is a PDF icon in place of my normal firefox icon, and I am afraid to use it now. Is it for real?, can I change the icon back to the old firefox one? Please let me know cause I won't use it now until I know for sure that it's ok and get it back as it was. thank you, Linda

I just downloaded the latest version of firefox. When I tried opening it the message said it is not compatible with Max OSX 10.11. I now need to download a later version of firefox. Which version is compatible with Mac OSX 10.11? thank you!

bold text' I need to stop firefox from attempting to download update 99 because it will not download it and it is taking up too much of my internet metered download time.'I have taken it off of automatically download updates,but it still pops up a message every day.

I got an email to update to version 100, and downloaded and installed, but now I have no bookmarks or anything else, just a blank version. Please help me! Thankyou!!

I have just installed V.100 and have come across a small problem. I can't sign into 'The Canberra Times' site. The option to sign in is missing from their home page. It is there using MS Edge or Chrome and I can login to the site on those two browsers. This does not seem to be a problem with other websites that I have tried since the new version!

I can't even begin to imagine what might be going on with a situation like this! Thanks.

I recently purchased a dell refurbished computer, I set it up went and downloaded fire fox without any trouble. I restarted computer today and it would not accept password I called DiscountcomputerDepot.com help and they helped me to restart and they told me they would have to reinstall windows from computer. So I lost all my programs. when it restarted said would have to update windows. I have tried multiple locations and get this same message This download.mozilla.org page can’t be foundNo webpage was found for the web address: https://download.mozilla.org/?product=firefox-stub&os=win&lang=en-US&attribution_code=c291cmNlPShub3Qgc2V0KSZtZWRpdW09KGRpcmVjdCkmY2FtcGFpZ249KG5vdCBzZXQpJmNvbnRlbnQ9KG5vdCBzZXQpJmV4cGVyaW1lbnQ9KG5vdCBzZXQpJnZhcmlhdGlvbj0obm90IHNldCkmdWE9ZWRnZSZ2aXNpdF9pZD0obm90IHNldCk.&attribution_sig=c3e7484d24556be08270fa603b3ed24cad53bd6caaec3f9e3f355d5c37300daa HTTP ERROR 404 Please help ,I have only use firefox since I had a computer , about 25 years. Many thanks Jack Terry. [email removed from public]