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I use Firefox on a ASUS Vivobook running Windows 11. On April 1, it tried to update to version 137.0, but failed and led me into a update loop of sorts. I had to re-install Firefox just to force an update on it, and that worked for a bit. Just today, it decided to update... and led me into ANOTHER update loop, and it's saying that the "install failed" when I check the update history.

Is anybody else experiencing this bug, and is there a way to fix it?

I recently updated my wife's computer to an Apple Mac Mini M4 running iOS 15.4. Everything seemed to be working fine including Firefox until yesterday when Firefox update box popped up. She did as she normally has for years of using Firefox and clicked the restart for update button . FF restarted and popped up with 2 dialog boxes one asking to check network for there devices which she click "Don't Allow", she only uses that computer no smart phone etc. Then a second dialog box asking for an admin login and password to install something else I put in my admin login and password clicked continue it doesn't seem to do anything except lock up Firefox to the point I have had to re-install her user from a time machine backup 2 times in 2 days. I tried installing a new copy of Firefox that will launch the issue is she's used Firefox for probably 10 yrs so there are ten years of bookmarks and logins and passwords saved in the original copy of Firefox that will no longer boot unless I do a complete user re-install from a time machine backup.

Please help, how can I fix this problem?

Hi there.

The original problem is described here: https://support.mozilla.org/en-US/questions/1472503 ( Also the solution I found.)

Jaws and James seem to have left the building.

This problem first occurred with the update from V 135.0.1 to V 136.0 . Currently on V 136.0.4, and every update has exhibited the same behavior.

I have the same issue with two laptops, running Windows 10. Each has been through a few update cycles, and the "Restart to Update" always fails.

So, I close FF, watch for the Resource Monitor to quiet down, and reopen FF.

When I go through this sequence, I notice that the screen will flash once VERY quickly before opening the home page.

FF seems to function normally otherwise.

Thanks for being there,

greg moehl

I am using a mac 2018 Intel. When I upgraded from Sequoia 15.3 to 15.4 Firefox quit working. I turned the firewall off and it worked for awhile. But has not continued.

I found this reference on-line. https://support.mozilla.org/en-US/kb/firefox-blocked-macos-15-sequoia-firewall-what-you

So I am assuming some additional information may be available.

Anything new on this issue. I have been a Firefox user for multiple years. It is my primary browser.

Thank you

Bill Parks wp12@totbaw.com

For the last several updates to Firefox I receive the following NSIS Error: Error writing temporary file. Make sure your temp folder is valid. Nearly every time the update completes successfully. My disk is 90% full and perhaps that is the problem although 20 GB remain. I have run disk cleanup to remove files, especially W10 Update files. Clear Disk Info doesn't identify any problem areas (all green).

Any other likely sources of the message? Thoughts?

Lately when I manually check Firefox for updates. From the menu Help, then About Firefox. It will download the update, ask to restart Firefox. It will restart Firefox, but NOT install the update. It continues to fail to install until I close Firefox myself, wait a good minute, then load Firefox again and it will install the update. I can make this happen to every computer with Firefox installed.

For about the last 2 months, when I either get a notification that an update is available or I manually check for updates, both Firefox and Thunderbird are stuck in "Downloading updates -- 0 bytes" on 2 Windows 11 computers. Eventually, like a half an hour to an hour later, the update downloads and I can install the update. This has been going on for 2 months now. As a 20 plus year user of Mozilla and also a long-time financial contributor, this problem going on for 2 months is getting old. And yes, I have checked my antivirus and firewall. Is Mozilla aware of the problem and is there a solution?

I received an Firefix update notification and was unable to install it desoite several attempts. I disabled my anti-virus and still not successful, worse, I lost my old Firefox browser which disappeared from laptop. I am unable to acdess the web unless I try anither browser intalled with my Windows 11 OS. I need your help please to restore Firefix in my laptop whatever version it is.

Thank you in advance.

Paul El Sidaoui Fan of Mozilla/Firefox

I have been getting asked to update my firefox for the past 2 weeks now. Everytime, it asks me to update my firefox. I update it, and then when I quit firefox (restart computer) and re enter, it asks me to enter my admin details to be able to install a helper tool to finish installation.

Attached is a video of that happening. Essentially, I have downloaded the latest version directly off of mozilla website, but it continously asks me to update & install helper tool.

When credentials are entered, it doesn't do anything. When I press cancel, the application does not respond and need to force quit. Either way, I cannot access firefox everytime it asks me for an update.

Any help would be appreciated.

Link is to my dropbox of video since I cannot upload it to the post: https://www.dropbox.com/scl/fi/2ihkfij4zk5m74g1rj97l/Mozilla-Firefox-helper-tool-community-post.mov?rlkey=t7hreld7va3bd25putv562hca&dl=0

Every once in a while, Firefox stops allowing me to navigate to any new websites, instead giving only a page that says:

"Restart to Keep Using Firefox

An update to Firefox started in the background. You’ll need to restart to finish the update.

Your windows and tabs will be quickly restored, but private ones will not."

I have automatic updates disabled in Firefox settings, and I have gone into about:config and set app.update.auto.migrated to false, and yet this issue persists. It seems like Firefox is ignoring my preferences. I don't wish to restart Firefox while I'm in the middle of a bunch of work. How can I get past this message and continue using Firefox without restarting? Do I need to delete update files or something?

This random surprise block to my work is ridiculous. We need the flexibility to update/restart Firefox only whenever we're ready to.

Update 136.0.3 AND 136.0.4 - Updated, but each time the browser is closed (even after a system shut-down), it sticks with 'Being updated in another instance'. There is no other instance. Single user, Windows11-Pro, local user (not connected to one-drive or MS account). Just started this morning (27-Mar-25).

It eventually shows that it has updated, but still comes back the next time with message.

Successfully changed from 003 to 0.4, but the new 0.4 does the same thing.

Would really like to know what's going on, and fix it.

A new issue with Firefox. I download updates myself, not automatically. This morning after updating, I clicked to restart Firefox, and it restarts, but still shows that it needs to restart. Even after multiple attempts. How to resolve? Thanks

Dear Firefox Support, My issue is with the browser I use 136.0.1 (64-bit). Select Help menu (Restart to update Firefox) I've preformed this task several times so far and I keep getting the something over as I click on Help menu. I restart the browser again however it is the same thing "Restart" again. What is my next step here?

Thank you, Dave 18 March 2025

Hello, - Computer Nec Versa One P/N NNAN1700202 (32-bit) - XUbuntu 18.04.2LTS (i386), no upgrade possible to 19 LTS

- Message asking for an update of Firefox (expired root certificate, extensions disconnection) - Proposed download completed (Firefox 135.0)

- Firefox/ Help/ "About Firefox": 113.0.2 (32 bits), no update proposal - Launch the . exe file from previous download In the "About Firefox" window, version 135.0 appears well during installation When the computer is restarted, this panel has returned to version 113

The computer works normally and perfectly meets my needs (emails and internet searches), so it is out of the question to change it (it would be scandalous from an environmental point of view)

What should I do? Thank you for giving me the precise instructions on how to proceed. Sincerely, FC

Windows 11 23H2 FireFox 136.0.1

When clicking check for updates it firstly shows the rotating arrows icon for a long time and then says "Failed to Check for Updates"

I've completely reinstalled Firefox and this continues to happen

I do not have NordVPN or any other VPN installed

The behaviour is the same in troubleshoot mode

All I have is an older windows 7 dell laptop and firefox was working ok but then it said firefox must be updated by march 14 so i clicked on the update but it has been over 24 hours and the little circle is still going around with 0 results why