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Every time I close Mozilla, my settings change from "Show Search Suggestions" on to off. I have no idea why it turns off automatically.

Context: I do have Betterfox installed which could be causing issues. If it is, what setting could I change?

About once a minute or more Firefox lag by 10-15 seconds before showing a character or characters I have typed.

It seems to be using a lot RAM. I have one window open with six tabs, including this one, and it is using nearly 8GB. There are 48 processes showing in Activity monitor.

I am using version 135 on a Mac Book Pro running MacOS 15.3 (Sequoia).

It is almost unusable.

Hello, I am lost, which is why I am turning to this forum for help. I have a professional Gmail Workspace account (in this format: pierre.richard@aile.association.fr). I recently changed my laptop, and I can't log in on the new freshly installed thunderbird ( 128.7.0esr (64 bits) ). On my old computer, which ran on Windows 11 with the same settings, I had no issues, but since switching to the new one, it’s impossible. I put my settings automatically detected by Thunderbird in added images. The system fails every time because, supposedly, the password is incorrect. However, I am certain that I entered the correct password. Here’s what I’ve already tried to do: - I activated the IMAP access on my gmail settings - I tried whith my personal gmail account : It's working !

Does someone know what else I could try to solve this issue ?

Thanks for helping !

I have gone into about:config and changed all the telemetry entries et al to false to prevent as much datareporting as possible - what I want to do is prevent Firefox (135) from creating the 'datareprting' folder in my profile folder. I delete it every time I go into Firefox, which is an everyday pain because it returns with EVERY new session. I delete it 1. because they don't need it, and 2. more importantly, firefox is NOTICEABLY faster once it is deleted. People have been asking this since like FF 40. Can anyone solve this?

I am on a Mac desktop running Ventura 13.7.3 and running Firefox 135 with extension of Ghostery, Privacy Badger, Google Don't Track Me, Facebook Container, FoxClocks and SoftGreenLeaves theme. All of these extensions have been playing nicely with each other for a long time.

Recently I've been having trouble recently with Firefox doing that thing of suddenly freezing/producing multiple windows and I need to refresh in order to get it working properly again. This has happened three times in the last five days - so frequently that I now keep the refresh instructions on my desktop. Today I heard the CPU grinding and clicked open my Activity Monitor to see four listings of 'FirefoxCP Isolated Web Content' running all of them using in excess of 2Gb. Unfortunately I wasn't able to get a screenshot of the Activity Monitor while this was going on as I had the Mac force quite Firefox and the moment I did, the activity stopped, but I've attached an example of the Activity Monitor showing still high CPU values for a few moments of browsing.

So what's up? How can I stop the CPU grab? How can I stop the frequent crashing?

There is a similar (but not identical) topic on Mozilla Connect , and I posted there. But I did not get a response. So I am re-posting on this new topic on Mozilla Support. I have a similar problem to what was discussed on Connect. I am using Firefox 133.0.3 on Windows 10 Professional. After Firefox has been running for a while, I get a message from Windows 10 that the free space on my C:drive is low. I did a directory listing on my C-drive before and after Exiting Firefox; I saw no large files disappearing. Then I decided to do "dir c:\ /ah" to see hidden files. What I saw was that pagefile.sys decreased in size from 29,925,748,736 to 16,270,770,176. This was a decrease of 13.7 Gb. Is this normal? I have lots of windows and tabs open in Firefox. Thanks.

Hi

Long-term Thunderbird user and in the past couple of months Thunderbird on my PC on connecting to my mail server goes to a time out (about a minute?) before then downloading new messages. Connecting from my laptop is instant.

The PC - which is relatively new - performs well otherwise.

Checked settings on both and they are identical, save for the laptop.being 64-bit and the PC 32-bit versions.

Any ideas for me to try?

Many thanks

Rick