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Firefox 78.0.1 does not remove closed pages from memory - lags and high RAM usage

After updating from 77 (I think it was 77.0.2?) to 78.0.1 I started noticing terrible firefox performance after a few minutes of browsing. My standard browsing habit cons… (read more)

After updating from 77 (I think it was 77.0.2?) to 78.0.1 I started noticing terrible firefox performance after a few minutes of browsing. My standard browsing habit consists of launching browser with 1 pinned tab and 1 home page (so 2 tabs only), then opening 5-10 tabs from my bookmarks, checking pages then closing them and leaving only 1 pinned page open. In firefox 78.0.1 after doing this (opening and then closing multiple tabs "to the right" using new context menu added in 78) my ram usage does not drop. It goes from 2.4GB (system only usage) to 5.0GB and does not drop after closing tabs. However when I open 10-20 tabs again RAM usage does not rise (maybe slightly, like 5.3GB). So it looks like firefox has multiple tabs stored in ram and opening new tabs just rewrites that memory instead of allocating new one. I have 8GB of ram so 3GB of usage from 1 open tab is crazy. I think it was 500-900MB before. I also have terrible lags because of this - browser hangs up every few seconds for few seconds. I had trouble writing this post with 2 tabs open because of 3.3GB ram usage! Restarting browser helps - ram uasge rises from 2.4GB to 3.2GB only (800MB for 2 tabs) but every new opened and closed tab seems to stay in memory. For example if I open 10 more tabs except for 2 that always open so I have 12 tabs I have 3.6GB memory usage. After I close them it slowly drops to 3.5GB instead of returning to 3.2GB. It does not matter how I close tabs - using right click context menu (close other tabs, close tabs to the right), using X on tabs, or using add-on to close all tabs except for pinned ones. They always remain in memory somehow. PLS fix this ASAP.

P.S. I also tried checking about:performance menu but there is nothing interesting here. It says that 2 opened tabs and addons use 100MB of memory which is not true because browser at this moment uses 1060MB.

Update 1: I also tested safe mode. 3,4GB of PC RAM usage on firefox safe mode start. Opened few tabs, ram usage goes to 4.2GB. After closing all tabs except for 1 ram usage start to SLOWLY decrease but it stops at 3,7GB. Ram usage drop was really slow like 10-30 seconds. It should be instant after closing tabs.

Asked by Piterk 1 month ago

Answered by Piterk 1 month ago

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Version 77 big problem

Today when I started Firefox it auto-updated to version 77, and all web-pages looked like a mess of weird symbols like the ones in the screenshot I attached. I tried disa… (read more)

Today when I started Firefox it auto-updated to version 77, and all web-pages looked like a mess of weird symbols like the ones in the screenshot I attached.

I tried disabling all addons and plugins, and some other stuff but nothing worked.

So I downgraded to 76.0.1 and everything works fine, it's definetly a problem with version 77.

I guess I won't be updating until I know this problem was adressed.

Asked by bayus.firestorm 2 months ago

Answered by bayus.firestorm 1 month ago

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All webpages show up as garbage text

I was using Firefox and my system was low on resources so it killed the process using the most memory which was Firefox. When it restarted every page showed up as garbage… (read more)

I was using Firefox and my system was low on resources so it killed the process using the most memory which was Firefox. When it restarted every page showed up as garbage. I've cleared cache. I've refreshed Firefox. I've reinstalled. I've rebooted. Nothing seems to work. mozilla.org appears to work but every other site I try looks like the attached image. When I view the source of a page that looks like garbage, the source looks perfectly fine. I'm running 77.0.1 64 bit on Windows 7. Any ideas?

Asked by Brian 2 months ago

Answered by cor-el 2 months ago

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Firefox 77 showing gibberish character can't browse any site

I have upgraded firefox to 77 and now i can' browse any site. Every site showing gibberish character. Tried reinstalling firefox several time. still same! Even when i ope… (read more)

I have upgraded firefox to 77 and now i can' browse any site. Every site showing gibberish character. Tried reinstalling firefox several time. still same! Even when i open a new tab it shows a white empty tab. No top page or highlight section.

here is the snapshot for better understanding tried  other solutions from Firefox support . Firefox 76 worked properly.

Asked by Riyad 2 months ago

Answered by cor-el 2 months ago

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Latest update turns all pages (except mozilla) to gobbledy gook

Hello all...When I restarted my machine tonight Firefox installed a new update. now all of my pages show this (see attachment) my passwords have disappeared to be replace… (read more)

Hello all...When I restarted my machine tonight Firefox installed a new update. now all of my pages show this (see attachment) my passwords have disappeared to be replaced by lockwise which has no passwords in it at all (I had reset that a few months ago back to the old password manager) the only pages I can see clearly are mozilla pages. all else is this gobbledy gook. help!

carrie

Asked by solutions7 2 months ago

Answered by jscher2000 2 months ago

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Firefox is making multiple processes again

Once again, Firefox is making multiple processes in the task manager. I've already set both browser.tabs.remote.autostart.2 and browser.tabs.remote.autostart to false, ye… (read more)

Once again, Firefox is making multiple processes in the task manager. I've already set both browser.tabs.remote.autostart.2 and browser.tabs.remote.autostart to false, yet I still have multiple processes anyway, and setting the content process limit to 1 doesn't seem to do anything. I'm using Firefox version 68.0 and running Window 7.

Asked by Tathamet 1 year ago

Answered by cor-el 1 year ago

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restore previous session not working

I have Windows 7 Ultimate 64-bit PC. Start Firefox and open up 4 tabs with different websites for each tab. With the 4th tab displaying, close Firefox Wait until all in… (read more)

I have Windows 7 Ultimate 64-bit PC.

Start Firefox and open up 4 tabs with different websites for each tab.

With the 4th tab displaying, close Firefox

Wait until all instances of Firefox in Task Manager have ended

Restart Firefox

The restore previous session loads the 4 tabs but does not display tab 4 being the last tab showing when closed. It displays a blank page and is totally unresponsive. Starting a new tab (5) is also unresponsive. Yet the other 3 tabs work fine.

Steps taken – uninstalled Firefox and deleted existing profile then reinstalled Firefox with a new profile but no change. No add-ons, bookmarks, history or settings changed.

Please help.

Asked by FFoxUser01 1 year ago

Answered by FredMcD 1 year ago

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How do I REMOVE the updates after they're installed?

Firefox has been opening multiple processes and is slowing down my computer. I have read that this is because of an update. So, I want to completely remove all of my upda… (read more)

Firefox has been opening multiple processes and is slowing down my computer.

I have read that this is because of an update. So, I want to completely remove all of my updates back to the one which caused the problem, and prevent Firefox from harassing me to install the new ones.

How do I do this?

Thanks for any help.

Asked by benmillan 1 year ago

Answered by McCoy 1 year ago

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How to find out which process is for Firefox UI (Core)

Hi, I know basic about e10s feature, I just changed "ProcessCount" to 4 (via about:condig), I just wondering how I can find out which one is for Firefox main UI, is there… (read more)

Hi,

I know basic about e10s feature, I just changed "ProcessCount" to 4 (via about:condig), I just wondering how I can find out which one is for Firefox main UI, is there any way to find out?

Thank you !

Mehdi

Asked by Mehdi 3 years ago

Answered by philipp 3 years ago

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Firefox launches 2 instances, how do I remove the one I don't want (Wikipedia.org)?

When I launch Firefox I get 2 instances: one is my user-defined homepage, and the other instance is https://wikipedia.org. How do I stop the Wiki instance. … (read more)

When I launch Firefox I get 2 instances: one is my user-defined homepage, and the other instance is https://wikipedia.org. How do I stop the Wiki instance.

Asked by Moemar 3 years ago

Answered by cor-el 3 years ago

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  • Archived

Text Font and Spacing in Drop Down Menu is Wierd

Hi all, So about a week and a half ago I formatted my PC as it was running slowly and just generally not performing well. I want to say I had no issues with Firefox befor… (read more)

Hi all,

So about a week and a half ago I formatted my PC as it was running slowly and just generally not performing well. I want to say I had no issues with Firefox before that and I never really changed any settings in Firefox. Maybe a couple about browsing/data storage, but that's it. The only Addons I had ever installed were AdBlock Plus, uBlock Origin, Privacy Badger and I forget the name of it, but it was a Flash Player blocking addon. Still no issues though.

Anyway, after formatting I reinstalled everything, Firefox being first, and things were going along nicely. However, a few days passed and I noticed that the text in all of my drop down menus looked off. I had a closer look and noticed the font was different and the spacing was weird. Not only that, but I was seeing fewer items in longer drop down lists. At the time of writing this, my uploaded image still hasn't successfully loaded in, so here's a link to what I mean. http://i.imgur.com/qwodW7Z.png (The correct look of the text is on the left, while the odd one is on the right.)

I don't know what caused this. I didn't change any settings at all after reinstalling Firefox. I asked a friend who uses it, and I even went to the Firefox Subreddit for some help but nothing worked. I checked my display settings and text was at 100%, I checked internet options but the default text was set to Times New Roman, just as it is in Firefox itself - it's all default. I disabled hardware acceleration and that didn't work, I was told to try setting "gfx.content.azure.enabled" to 0 (which I assume is "false"), but I couldn't see that in my about:config page, so I added it as boolean. I was then told to add it and try it at 0 and at 1, but if nothing works leave it at 1 (which I assume is "true"). I tried all of that but still nothing. It has been like this for several days and the problem is still persisting.

Here's the weird part though. I've refreshed Firefox in the Troubleshooting Information section, and after doing that the text goes back to normal (how it looks on the left side of the picture), BUT when I close and open Firefox the next time, the text has gone weird in drop down menus again. I removed and reinstalled Firefox but it still persisted. I removed all files and folders of Firefox/Mozilla from my machine, reinstalled and the text went back to normal... only for it to go weird after I closed and reopened Firefox.

I have no idea what the problem is. I've even tried changing the font in Firefox but it did nothing! I've tried Internet Explorer, Edge, and even Chrome to see if the problem persists there but it doesn't. I open it, try the same website across all browsers and I see the text looking fine. I close and reopen all of them and the text looks the exact same. Why is it that Firefox decides to change that text? Is this part of a new update? Did I just not have the latest version of Firefox before my format? If this IS part of an update, why does the text look one way after I refresh, but a different way when I open Firefox any time afterwards?

This isn't a huge issue, but seeing the text looking totally wrong in my drop down menu multiple times a day slowly annoys me more and more each time. It's almost like I'm being taunted because I don't know how to fix it or what's causing it. I don't want to change browser just for peace of mind, I'd never know what was causing the problem if I do that! My machine and my graphics card drivers are all up to date. I don't want to have to format my PC again just for a slight chance it might fix the problem, especially when it's not guaranteed to fix the problem!

I use Windows 10 and I have the very latest version of Firefox, 49.0. Graphics card is a Radeon HD 5770 and I run a 64 bit OS. I don't know why this is a problem. I never had this problem before my format and I've never had any other problems with Firefox, so what gives? I can't find anyone else with this problem online at ALL. Am I just crazy, and this is all part of an update but for some reason the first time I refresh Firefox it doesn't load properly, or what?

Any help would be appreciated. I'm all out of ideas, I don't want to format and I don't really like any other browsers except Firefox. Yes, I'm sure I can try to live with it, but it annoys me every time I see it.

(Please tell me there's something in my troubleshooting information that solves this problem).

QUICK NOTE: The ONLY place that drop down menus look totally normal is the Firefox Options page itself.

Asked by KSpin 3 years ago

Answered by jscher2000 3 years ago