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I admit I have a minimal machine for FF --- Win 7 pro, 2G ram but up to now it has managed---I just can't have too many large tabs open at one time. What gives with this install prob???

Since I upgraded from FF128-esr to FF140-esr I always get the "Firefox is being updated by another instance" This is really driving me crazy, as I checked / did / .... everything (and even more) I found on the internet related to that.

Nothing helps !

Creating and using a new default profile didn't help

Finally I ended up uninstalling FF completely (making sure no -zero- leftovers remained in ProgramFiles, AppData a.s.o.), and reinstalled FF140.7.0-esr freshly. After installation I started FF immediately with the created default profile (only existing one) --> SAME THING : "Firefox is being updated by another instance"

And this is really a FF140 thing, when I go back to FF128, on the same computer, same profiles, ...., the problem is gone.

I would like to know in detail what checks are really done by FF to decide to give that "Firefox is being updated by another instance"

I have the latest version of Firefox. I still keep getting the prompts to download the latest version. When I go to system info, it shows I have the latest version it is asking me to download. When I do a manual search for the latest version, it always says it failed to search for the latest download.

I have been running version 147.0.2 on Windows 10 Pro. I manually downloaded the version 147.0.3 updater and ran it without any apparent problem. However, when doing the required restart, the update process did not complete. Multiple restarts and cold boots have not remedied this. When I start Firefox using my desktop icon, version 147.0.2 is started.

My "Programs and Features" window shows both versions are installed. When trying to uninstall either version, in either order, I receive a message saying that the system should be restarted to complete the update process. As stated, this does not work.

Following a restart, the Performance Monitor does not show any recognizable "ghost" processes that would need to be stopped.

Inspection of the System event log showed the following Warning:

 *  Name resolution for the name push.services.mozilla.com timed out after none of the configured DNS servers responded.

There may be other warnings / errors that are pertinent to this situation, but that was the only one that mentioned "mozilla" or "firefox" by name.

After it updated to 147.0.3 it says that it is not compatibile with miniversion 147.0.2 nor with maxiversion 147.0.2. It suggests re installing (done) so can now at least access Mozilla again but still says at varying times not compatible etc. It is Windows 10 Any suggestions?

Every few weeks I get this error and my bookmarks and passwords are corrupted. I have uninstalled and reinstalled Firefox, per the full uninstall instructions, including deleting old Firefox folders and it works for awhile and then returns.

Error: Platform version '147.0.3' is not compatible with minVersion › = 147.0.2 maxVersion < = 147.0.2 Maybe try to reinstall Firefox?

So I guess my Firefox update to ver. 147 from 146 by its auto update feature, but I realized all the past personal data (ie, history, cookies, passwords, profile, etc) was gone.

I have Mozilla Account (I think it's the same as Firefox Account back in the old days), so my personal data is now retrieved from some device as far as possible, but I lost local personal settings like Shortcuts on the main page on my laptop,p which is the main device to do everything.

I can't help what happened to me, and I will rebuild what I used to be on that day, but I am curious if it's just me, or there is some logic to cause this data loss.

В России блокируют Firefox, по этому авто обновления не устанавливаются, я бы хотел получить ip и url серверов от куда скачиваются обновления. Это поможет обойти блокировку и восстановить работу firefox в России

Greetings, Team. When Firefox does an Auto-update while starting, an error message arrives, " NSIS Error:

Error writing temporary file. Make sure your temp folder is valid.

OK " Please, where and what name does this 'temp folder' have?

How may I fix this Error?

Thank y'all in advance. Phil T. ps W10, Chkdsk OK, system appears OK.

at present it is 32bit Llnux Firefox ChaletOS. It appears it wants 64bit Linux but every time it only allows me access to 32bit version which tells me is out of date. What is happening?

Firefox requested helper tool to download after an update & now it will not perform the helper tool to install and Firefox is not responsive and doesn’t start up. I’ve uninstalled it 2x and it will work for a few days then the helper tool install request pops up and the cycle starts over.

Good day!!! I updated my browser today, and after that, everything I had in it was reset, from my account, open tabs (there were over 300 of them), passwords, themes, and everything else. If you don't know how to properly test your updates, then don't update your browser at all. Thanks to you, I lost a lot of information I needed. Thank you!!!!! I'm uninstalling your crappy software and switching to Edge or Chrome.

Trying to sync my iPhone t my laptop with Mozilla. I’ve always had a sync on these 2devices but I’m getting messages to finish downloading on my phone. It’s installed and has been running for some time. What’s up?

Hello, I am still running an old WIn 7 media center because I have applications I need that are no longer supported elsewhere. Firefox ESR has been working just fine up until the most recent update - which repeatedly fails to install each time I start Firefox. Is there a location where this update resides? If so may I know this location and procedure to eliminate this errant update? Thanks!

I rebooted Windows. Firefox seems to have been updated. But a firefox installer was downoaded. This behaviour is stange an suspect. Do I have to re-installa firefox? Why?