Why does Firefox use up so much memory? My Windows Task Manager shows it using 109 Meg just now asking this question. Thanks

Pretty simple: I want to know how I can keep Firefox from using so much memory when in use. 100-200 meg is common. Thank you

Hi musicfan, Sorry you are having problems with Firefox. Maybe you should have asked earlier and we could have fixed it.
Reading your comments I do not see that rolling back to an insecure Firefox 22 will actually help you much. You are probably best using IE, unless you have also damaged that.
*[[Export bookmarks to Internet Explorer]]
You should not use old versions they are insecure. Security fixes are publicised and exploitable.
* [[Install an older version of Firefox]]
* https://www.mozilla.org/security/known-vulnerabilities/firefox.html
Most others will not be having such problems. We are now able to say that with confidence because after developers missed a regression in Firefox 4 telemetry was introduced so that data was obtained. It may be an idea to turn on your telemetry, if you have not already done so, and decide to stick with Firefox.
*[[Send performance data to Mozilla to help improve Firefox]]
Trying safe mode takes seconds. Unfortunatly if you are not willing to do even rudimentary troubleshooting there is not anything we can do to help you.
*[[Troubleshoot Firefox issues using Safe Mode]]

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My Firefox continues to stall a lot and Window Task Manager shows that Firefox is using a lot of memory (600,000k +) What can I do to make this stop stalling?

I play Farmville or on Pogo and my computer keeps giving me the hour glass and when I look on my Windows Task Manager it shows that I am using over 600,000 k of memory. When it does that I can't do anything unless I just use the power button to shut the computer down or use the task manager to "End Process". I do not like to do either of these so I usually just sit and wait for it to fix itself then later it does it all over again.
Also when I was doing defrag on the file type tab it showed two Mozilla Firefox so I am wondering if this is the issue but I only see one in the control panel.

I play Farmville or on Pogo and my computer keeps giving me the hour glass and when I look on my Windows Task Manager it shows that I am using over 600,000 k of memory. When it does that I can't do anything unless I just use the power button to shut the computer down or use the task manager to "End Process". I do not like to do either of these so I usually just sit and wait for it to fix itself then later it does it all over again.
Also when I was doing defrag on the file type tab it showed two Mozilla Firefox so I am wondering if this is the issue but I only see one in the control panel.

Firefox hangs after a few hours. The task manager shows it using 50% of the time, and I don't see where it's doing anything. What is going on?

It will not respond to any mouse clicks or key presses. I use the task manager to shut it down. When I restart, I select the option to restart Firefox with the same tabs and it does that and runs fine for a few hours and then it hangs again.

iPhones are not user servicable.
Take the device to a competent repair person or buy a new one.

Why does firefox stop loading then when i close it and try to open it up again I keep getting this message:Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system

Firefox will just stop loading/ connecting to the internet. The gray circle will just continually move but it never turns green to load the pages. I know it's not my internet because my internet explorer works just fine while this is happening to firefox. So I close firefox and then try to re open it but I get the message: Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system. So I wait a little bit then try and re open it and still get the same message. I then go into my windows task manager and try and end the firefox proccess but it won't end. So I restart my computer and firefox eventually starts acting up again.

For possible causes of this error, and how to troubleshoot it see [[Firefox is already running but is not responding]].

Why does Safari eat up so much memory?

Hi,
I've finally had it with Safari and have switched to Camino. I'd like to know why Safari eats up so much memory. Things will be going slow, I'll get the rainbow swirl and I'll open the activity monitor and see that Safari has two different process names going on, on of which is eating 2GB +. Just to compare, I'll open the same windows in Camino and I'll get a maximum usage of 300 MB.
The issue only got worse after the last update.
Thank you,
steven

Hi, sorry I didn't reply sooner. For some reason, this post doesn't come up when I look in "my discussions" at the top.
Currenly I have a 1TB HD with 700 GB used, I have 9 TB external HD (1TB for Time Machine, the rest for storage) that's only half full. And yes, I use video editing software extensivly and Pages as well. I'll often surf while writing to research and I have programs like Outlook running in the background. The one thing which has become a problem is playing Flash (like streaming The Daily Show), which becomes choppy and slows down Safari to a crawl. I thought it was my Internet connection but I have 10mps, super fast.
@ Johm, about page outs, here's the data
Page Ins 7.05
Page outs 57.3
Swap Used 51.3
VM size 183
I'm guessing I should purchase some memory based on these numbers. Memory isn't as cheep in Japan as it is in the states, at least not for Mac. Does anyone have a suggestion for a brand I should look out for or any stats that will help me decide which type to purchase or how much?
Thank you much,
Steven

Why does firefox become less userfriendly with each update? first there no tab saver addon anymore and now there is no way to place spaces between the buttons

there seems to be no possible way for any software developer to understand that whenever you release an update that changes the interface of the software it only annoys people
i am now searching for a usable downgrade and looking around for an alternative for firefox
thx for replacing userfriendlyness with that smooth and simple layout
bringing back tab saver would perhaps change my mind despite the fact that my google search box and webadress box is now as wide as my screen witch is kinda useless not to mention ugly as fuck
why instal a theme if there is always shit in front of it

You can look at the Classic Theme Restorer extension to restore some functionality that was lost with the arrival of the Australis style in Firefox 29.
*Classic Theme Restorer: https://addons.mozilla.org/firefox/addon/classicthemerestorer/
You can check the settings of the CTR extension via its Options/Preferences button on the "Firefox/Tools > Add-ons > Extensions" page.
See also:
*https://support.mozilla.org/kb/how-to-make-new-firefox-look-like-old-firefox
*https://support.mozilla.org/kb/common-questions-after-updating-to-new-firefox
*https://support.mozilla.org/kb/learn-more-about-the-design-of-new-firefox
*http://forums.mozillazine.org/viewtopic.php?f=38&t=2824649

Why does Firefox 5 open up to 8 browser windows when opening?

I never had this problem with previous versions, and not even immediately upon upgrading to version 5, but now when I start Firefox, up to 8 separate browser windows open and I have to close each one individually. I am running Windows 7.

It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the files sessionstore.js [2] and sessionstore.bak in the Firefox Profile Folder.
* Help > Troubleshooting Information > Profile Directory: Open Containing Folder
* http://kb.mozillazine.org/Profile_folder_-_Firefox
If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well. 
Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost, so you will have to create them again (make a note or bookmark them).
See also:
* [1] http://kb.mozillazine.org/Session_Restore
* [2] http://kb.mozillazine.org/sessionstore.js

Why does Firefox freeze my computer when I click on an email address or link to a page that asks for contact information?

when i click on an email link, my computer freezes and firefox will open new tabs until i force quit the application. i downloaded the latest version of firefox for a mac, but it did not help. how do i correct this problem?

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.14) Gecko/20110218 Firefox/3.6.14
When I click on a mailto: link, Firefox freezes. This is new for me as of 3.6.14 (not sure if it existed in prior versions because I hadn't clicked a mailto: in a while).

I cannot close firefox without closing the process via the windows task manager.

The X in the top right corner, the 'Exit' command under 'File', nor right-click+close on the taskbar will close Firefox. I have to press ctrl+alt+del, and close the process manually.

https://support.mozilla.com/en-US/kb/Firefox%20hangs See '''hang-at-exit'''

Why does firefox's internet files take so much space on hard drive?

Why does firefox's internet files take so much space on hard drive?For example, I have 9,80GD on disk and after looked 2 video on youtube(2-3 min each) it's become 9,60GB. It's 200MB gone!

Diane Wordsmith wrote:
If you did not see the dialog box asking if you wanted to delete from the hard drive, I think this may be one of those options where you can say "Don't ask again," meaning until you trash your iTunes prefs, it will cease asking the question.
you can bring those dialogs back. iTunes > preferences > advanced > reset all dialog warnings
JGG

Why does firefox (updated) on windows 7 NOT send a hotllink (must copy/paste),when using the 'send link' feature,whereas firefox on XP always sends a hotlink?

Question
why does firefox (updated) on windows 7 NOT send a hotllink (must copy/paste),when using the 'send link' feature,whereas firefox on XP always sends a hotlink? This feature has always worked perfectly on all my windows XP computers,but not at all on any of my versions of firefox on windows 7.How can i fix this? Why does it not work?

Hi,
Please check if this happens in [https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode]. You can also attach a screenshot on this page below '''Post a Reply''' > '''Add images: Browse ...'''

Why does firefox crash everytime I use it

Every time I use firefox regardless of what site Im on, it crashes every single time, I do not understand why. I have automatic updates on my computer that update once a week. I had no problems what so ever until Tuesday July 11th, after my computer updated, now I cannot use firefox for any thing. Can you please help, this is very aggravating?

EVERYONE 
Please start your own thread if you have a crash.
# Use this [https://support.mozilla.org/en-US/questions/new/desktop/fix-problems/search?search=Why+does+Firefox+Crash+everytime+I+open+multiple+tabs%3F+%28%2Fquestions%2F968746%29#summarize-question special link] if it is only after multiple tabs are opened. (Look at the related questions some may well have solutions that work for you)
#* otherwise use this quick and direct [https://support.mozilla.org/en-US/questions/new/desktop/fix-problems/form?search=Crashes+Firefox+24+%28%2Fquestions%2F968746%29&step=aaq-question link]
#Please try to post from Firefox (Obviously that may not be possible if it crashes on startup)
# Follow the prompts to provide troubleshooting information whilst you post your question.
# Include a couple of Crash IDs You will need to navigate to''about:crashes'' and look for ID s begim=nningwith '''bp-''' see [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]]
# Try Firefox in Firefox's safemode
#* see [[Troubleshoot Firefox issues using Safe Mode]]
#* does that help ?
#* If you crash in safe mode please include the crash IDs from a safemode crash
#If you have already posted in this thread, or have crashes after a opening multiple tabs you may wish to post back to confirm you have started a thread so others may see your progress.
ANYONE WITH NORTON SOFTWARE
Someone has already mentioned Norton in this thread. Please note there is a known issue with some Norton software sometimes implicated in Firefox 24 crashes. Norton themselves are asking for more information.
* Please see https://community.norton.com/t5/Norton-Toolbar-Norton-Identity/Firefox-24-still-crashes-when-the-NIS-toolbar-is-enabled/td-p/1023987
* Note Norton forum has Mixed content, you will need to disable Firefox protection when a shield appears in the location bar or you will not see the correct forum navigation. I am sure Norton are aware of this.

Why does Firefox 'remember' a login from my last session when, on both occasions, I was using "Private Browsing"?

Why does Firefox 'remember' a login from my last session when, on both occasions, I was using "Private Browsing"? How do I stop this (without clearing other data)?

Try disabling hardware acceleration. Many visual bugs can be attributed to issues with graphics drivers.
(Firefox -> Options -> Advanced -> General -> [ ] Use hardware acceleration when available)

Why does Firefox ask me always for permission to use some obscure fonts?

Why does Firefox always ask for permission to use some obscure fonts?
== This happened ==
Every time Firefox opened
== A few weeks ago

Yeah the whole "blame the OS" thing is a red herring. What the hell is Firefox doing looking on my external drives in the first place? It asks permission to use a font on another drive, but what else is it looking at outside of the Applications folder where it should know enough to mind its own business?

While being idle online for a few minutes, why does Firefox start cyclically using 50% to 5% CPU resources, with a 10 to 1, hi to lo ratio

This behavior became apparent after the last couple of Firefox version updates. Current Firefox version is 21.0. My PC is an IBM ThinkCentre running @ 3.0 Ghz Intel CPU with 1.5 Gigs PC3200 DDR ram. With or without any other Windows apps open, whether I'm on line just idling on my home page (Google) or any other web page or entering / receiving data, several minutes into a session, the MS XP pro SP3 task manager shows Firefox cyclically using 50% (and more) CPU resources for 8-10 seconds then 1-5% CPU resources for 1-2 seconds. Closing & restarting Firefox, allows me a few minutes of speedy surfing. My ISP is AT&T 2nd tier DSL with a download thruput of 300 (+) MB (not Mb) / second (altho, most of the time I'm just viewing a web page or idling, without downloading or uploading any data).
What has changed? My PC & all of its software have remained the same with the exception of MS security updates, Adobe Reader updates, & Firefox updates (without adding any additional plug ins, add ons, etc., with each update).
What the...! For the past several minutes that I've been inputting data here, the task manager showed a jump of only 13% cpu usage (ever so briefly) by Firefox & only then when I switched between the task manager & Firefox. Intermittent anomalies are gonna be the death of me...
Well, this is an annoyance, albeit an intermittent one. Ah, I pine for the days when I heard about & believed in "seamless integration"...any thots that might help resolve this issue sure would be appreciated.

Hello,
The Reset Firefox feature can fix many issues by restoring Firefox to its factory default state while saving your essential information.
Note: ''This will cause you to lose any Extensions, Open websites, and some Preferences.''
To Reset Firefox do the following:
#Go to Firefox > Help > Troubleshooting Information.
#Click the "Reset Firefox" button.
#Firefox will close and reset. After Firefox is done, it will show a window with the information that is imported. Click Finish.
#Firefox will open with all factory defaults applied.
Further information can be found in the [[Reset Firefox – easily fix most problems]] article.
Did this fix your problems? Please report back to us!
Thank you.

Why does Firefox use up so much memory? My Windows Task Manager shows it using 109 Meg just now asking this question. Thanks

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