Firefox 8.0 not responding

I'm running Firefox 8.0 and from time to time Firefox freezes and I get "Not Responding" in the window title. It seems to freeze for 20 - 30 seconds and then comes back to life. This has been happening more frequently and I'm not sure if its a problem with Windows or Firefox.

Try the Firefox SafeMode to see how it works there. 
''A troubleshooting mode, which disables most Add-ons.'' 
''(If you're not using it, switch to the Default Theme.)''
* You can open the Firefox 4.0+ SafeMode by holding the '''Shft''' key when you use the Firefox desktop or Start menu shortcut.
* Or use the Help menu item, click on '''Restart with Add-ons Disabled...''' while Firefox is running. 
''Don't select anything right now, just use "Continue in SafeMode."''
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before using the Firefox shortcut (without the Shft key) to open it again.''
'''''If it is good in the Firefox SafeMode''''', your problem is probably caused by an extension, and you need to figure out which one. 
http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes
''When you figure out what is causing that, please let us know. It might help other user's who have that problem.''

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Firefox keeps saying not responding

When ever I click on a site example to read my mail Firefox keeps stating not responding. This happens what ever I click on.I uninstalled and reinstalled but it is still doing the same thing.

WOW i think i just fixed it myself......i went to control panel, system and security, find and fix problems,clicked run programs made for earlier versions of windows, scroll down click mozilla firefox, then click recommended settings. i did this and it has not froze up yet!!!! i will keep you updated if it continues to work you will not hear back from me!

When i browse to a webpage firefox freezes then (not responding)

I turn on firefox and everythign seems alright, but once i click on the URL blank and type something in when it tries to load the page, it hangs,freezes, then eventually says "Not Responding" and at that point i have to End the process. This hasn't been ever happening to me before. If just started today.

Thanks!

How to fix my firefox' s constant "not responding" issues?

Here's the deal. About last week, My firefox browser encountered some problems. Everytime I opened it, loading time was really long and when I opened a new tab either to open google search or to open another website, it didn't respond at all for about 30 secs or more. That was why I reinstalled firefox to see if it, hopefully, could be different somehow. Unfortunately, the problems now are not so different from what I have described, only now it's got a bit worse with the constant "not responding" and "freezing" in every tab I open - more or less than 30s PER TAB. I thought there was something wrong with my hardware or some features on my laptop, yet my google chrome still works. How does it still work? NO IDEA! But whenever my firefox freezes when I click on some links or a new tab, I turn over to GC and it still works really well so far. But I would prefer firefox to GC as my default browser since I'm more used to using it and a few features on it work better on the latter. So I would be really grateful if these issues are dealt with as soon and effectively possible. Thanks a lot :)

The "not responding" problem just started today. I removed and re-installed firefox. I disabled ALL the add-ins and the problem remains. I've been using Firefox for years probably starting with version 2. I guess this is the end of the line for me. Chrome is more popular so that's where I'm going. Bye...
Unfortunately I'm going to miss some of the great add-ins and the so easy to use bookmark system but I need a browser that works All the time. Bye, Bye..

Firefox often slow, not responding and showing unresponsive script errors.

In the last few weeks, firefox has often gone unresponsive, usually shown as 'not responding.' This lasts anywhere from a few seconds to several minutes (possibly longer, but by that amount of time I loose patience and 'end task' in task manager.) This is usually followed by an 'unresponsive script' error. Which script it is varies. I've been responding by clicking 'stop script,' which usually fixes the problem temporarily.
The problem seems to occur mostly randomly, but will predictably always occur on site with videos like youtube. Here it is also worse, taking much longer to resolve if it does at all. I've got flashblock active, and sometimes the error will occur before I get a chance to activate the video and sometimes after, but will always occur. Also, on this sort of site, the 'unresponsive script' error will also go unresponsive most of the time, which I've not seen anywhere else, meaning that the only solution, after a while is to end the process in task manager. I've at times attempted to play the same video for half an hour with no success.
As I've therefore spent a fair bit of time in task manager, I've noticed that I end up with many processes running for FlashPlayerPlugin_15_0_0_152.exe*32 (Description: Adobe Flash Player 15.0 r0.) They build up the more I use firefox, but go away when I restart my computer. I've gotten up to at least 50 at one point. Most use 128 or 124 K of memory, but about 1 in 7 uses between 1-5000 K. I don't know if this is linked to the above issues, but I've only noticed it since it started.
I've tried resetting firefox and it changed none of the above.
If it helps, I used Windows 7. Feel free to ask for any more details about my system and I will do my best to answer, though I'm not an expert in computers. Thank you very much in advance for your help.

Thanks for the advice. What solved it was disabling all addons and then restarting the computer. I've since reenabled Adblock (2.6.4) and Flashblock (1.5.17) without causing the problem to reemerge, leaving Troubleshooter (1.1a) as my only previously enabled addon I've not reenabled. I am no longer experiencing the issue.
Regarding updating to version 32, I tried this, but the official site told me I already had the most up to date version of firefox for some reason. Normally, it updates automatically. However, as my issue has been solved I don't consider this a problem.
Thank you very much for your advice.

Firefox 4.0 not responding minutes at a time in Windows 7

I've been a Firefox user for many years. Tried Firefox 4 beta for several days with no problems. Updated to 4.0 and now constant "not responding" messages which last several minutes at a time.

When I looked at the Mozilla folder on the C drive, it still said beta, even though I had installed Firefox 4 the day it came out. Actually, the folder said Beta 8, even though I think I also got Betas 9-11 and RC 1 and 2. So I guess as the older versions got overwritten, there was a lot of junk left behind. I saved my settings, uninstalled FF4 with Revo, reinstalled and have had no more of these hang-ups for several days now. This is not the first time I've had to uninstall and reinstall FF. I love it, but I guess you get what you pay for.

Firefox beta 18 "not responding" every time I load a page. This didn't occur as much with FF3.5.4.

I have tried various upgrades/updates of Firefox (4 and above). I currently have Firebox beta 18. EVERY TIME I load a page, the browser will always hang and I get "Not Responding" in the status bar. The hang time is usually more than a few minutes or I'd have to end the program through the task manager. Sometimes after the freeze, I'll get a "warning: script was unresponsive" popup and then it will freeze again (I can't even press 'stop script' or 'continue') because the popup is "not responding".
I don't seem to have this problem with FF3.5.4 (only this version has deemed compatible) however I can't view flash plugins/media or certain features of a webpage because it's not updated. Therefore I would not like to downgrade back to 3.5.4 because there's no point if I can't view half the things on a page..

If you've updated from a version as ancient as 3.5.4, then you run the risk of encountering problems. You should start with a fresh profile to ensure old preferences, data files and changes made by extensions are not interfering.
First, create a backup copy of your profile folder, just to be safe.
* [[Back up and restore information in Firefox profiles]]
Then use the Reset Firefox feature.
* [[Reset Firefox – easily fix most problems]]
If the problem persists, see the following article.
* [[Firefox hangs or is not responding - How to fix]]
Do not reinstall old versions of Firefox. They contain security vulnerabilities and shouldn't be used. Very old versions might also be unable to handle data files in your profile folder in their new formats, which can lead to all sorts of problems. And lastly, many websites require a modern browser to work properly.
* https://www.mozilla.org/security/known-vulnerabilities/firefox.html

Firefox is continually "not responding"; between Mar 7 and Mar 8 the ".json" bookmarks file has doubled in size

For some time prior to Mar 7 FireFox (27.0.1) had started "not responding" when I clicked on any link on any page. In desperation I uninstalled and re-installed FireFox on Mar 7. The problem came back. The only other thing that I noticed when I looked at my profile folder is that the bookmarsbackup...json file doubled in size the next day (Mar 8)

Hi BillFreund,
I do not know. Do you notice duplicates? This should not happen.
This is a good reference to start troubleshooting if it starts to not respond any longer.
[[Firefox hangs or is not responding - How to fix]]
You can try to launch the browser in safe mode by clicking control + shift to see if the file doubles in size again.
Something else that you have installed isn't causing or contributing to that fault.
[http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes][
I hope this helps.

Firefox hangs, shows Not Responding, on start up and at random times

Firefox is hanging on start up and at random times during use. When I click the desktop icon it takes about 20-30 seconds and then opens the usual Firefox start page. However as soon as I move the mouse or try and use anything on the screen it hangs. The Firefox logo top left in the blue bar turns into a white box. After about 2 minutes it reverts to the Firefox logo and all starts working normally.
However every now and then the same thing happens, white box, and the Not Responding words in the top blue bar. Sometimes the whole webpage goes blank white, with only the very top blue bar and side scroll bars showing.
It reverts to normal after a minute or so.
This has happened with the last few versions so it is not due to the last update.
I've tried most things (plugins, stop hardware acceleration, etc) except the one below - maybe someone has an answer to why I can't do the one below?
I've read that you can try and correct by right clicking the decktop icon, choosing Properties, and then Select Compatibility and my Windows Program which is Windows XP SP3. However when I try this the latest Windows showing is 2000. - Maybe this is my problem - how do I get the comnpatibility to Windows XP S3?
Thanks
Gaz

Hey ramjet.
Could you please copy/paste your info from your post to [https://support.mozilla.org/en-US/questions/new questions/new]? That'll help us get specific details about your Firefox configuration so we can assist you one-on-one.
Thanks!

Why does firefox hang or not respond when I am using disable third party cookies setting

I have, by process of elimination, realized that when using the setting "allow third party cookies - 'never' ", causing my firefox to hang so much that I cannot use it. I have used that setting "allow third party cookies - 'never' ", for as long as it has been available. Over that last few months, I have been having problems with firefox hanging and getting the message "firefox not responding". It became very annoying, causing me to look for a solution. I read through the kb and tried many solutions. I can now say that when I change the cookie settting to "always" the problem goes away. It is helped only slightly by using the "from visited" setting. How can I fix this? I don't want all the cookies but I cannot surf with this problem constantly.

The problem is that "third party" includes both related servers and advertising networks; the setting is too crude to accomplish the objective of blocking tracking cookies that you don't want.
My compromise is to accept all third party cookies, but set cookie lifetime to "Keep until: I close Firefox." As a result, tracking is limited in time, even if during any given session I can be seen on different sites. (I also use the NoScript extension, so many ads driven by scripts never load.)

Firefox 5 continually "not responding"

Hi,
I upgraded to firefox 5 and immediately started having trouble accessing sites. The error is "not responding". This has happened at work and at home. After about 5 mins the page is displayed. I can use chrome or IE to display the page while firefox is "not responding". Firefox has become un-usable for me. Any help would be most appreciated.
Chris

Hi BillFreund,
I do not know. Do you notice duplicates? This should not happen.
This is a good reference to start troubleshooting if it starts to not respond any longer.
[[Firefox hangs or is not responding - How to fix]]
You can try to launch the browser in safe mode by clicking control + shift to see if the file doubles in size again.
Something else that you have installed isn't causing or contributing to that fault.
[http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes][
I hope this helps.

Firefox getting slower, not responding message regularly. Have used wisefixer to optimise system, any advice? Or just change brower.

Problem has got worse since upgrade to latest version. System hangs with message Firefox (not responding).

In other words, no fixes that require firefox to run or be open can be used. That is the problem, it will not run, but says it is running, even though it is not according to the task manager.

My firefox keeps sayin Not Responding and frezzes on me every 5-15 mintues

I have windows7 and my Firefox keeps freezing and saying Not Responding and is out for a minute or two, it does this frequently (5-15 mins), and i dont get any crazh reports and it doesnt close the window on me..

I have 4 computers in my home office and I also have a laptop. Firefox hangs on all 4 of these computers under windows, and on my laptop, and even under linux. Flash simply doesn't work on Firefox. This has been true on all operating systems from windows XP to windows 7. I haven't tried windows 8, but I'd be surprised if it works there. It performs poorly on ubuntu 12.04 as well.
I usually see the hanging behavior within about 10 minutes of starting firefox. Visiting utube or other flash heavy sites exacerbates the problem.
I am always astonished when mozilla claims that it's only a small minority of users who see the hanging behavior. I have never seen firefox be stable since they went to the rapid update cycle. For this reason I now exclusively use chrome, even though chrome's UI is pathetic, and I hate chrome actually.
Unfortunately Firefox is unusable. If Firefox were so bug free, then why has it's market share plummeted over the last couple of years? Frankly they need to fix the bugs for all platforms prior to another useless update. Fast light and robust would bring back the fanbase.
Here is a little you tube video that causes an instant hang for me.
http://www.youtube.com/watch?v=3wiG2Fa2dlQ

Firefox constantly hangs, not responding extreamly slow loading is getting worse

firefox is continuosly hanging in every way posible, my OS is vista have the latest version of fire fox installed, but has been getting gradually worse and worse since approx May, it had done this before but not to the extent it does now. firefox updated/installed the latest version (at that time) about 2xupdates ago, this is when the problems first started.
EG, i will be scrolling down through a page on ebay and for no apparent reason firefox will just stop responding, same thing on you tube when watching videos or searching, also pages are taking a really long time to load sometimes resulting in them not loading at all or loading a blank page. this to has increased in how often this happens. Am seriously fed up with this problem its driving me crazy.
== firefox new version was installed

I'm having the same problem. I am running windows 7 64bit. FF is slow. painfully so. I've switched to Chrome and have no problems. FF just keeps getting worse it seems by the day.

Is Google interfering with Firefox? Why is it when using Google Search engine, Firefox is always Not Responding? Doesn't appear to happen with other Search Engs

Really tired of waiting for Firefox Not Responding Msgs of late when opening a new tab and searching for something. It is not the speed of my Internet connection that is to blame and doesn't seem to happen if I use Yahoo or Google via Chrome for example. This problem only appeared some weeks/months ago and why, I have no idea.
I am a computer user, not a programmer and can only follow basic computer instructions - if I cannot resolve this frustrating 'Not Responding' message every time I wish to search for something then, I'll have to drop Firefox and use Chrome or similar as life is just too short.
Thank you.

Do a malware check with several malware scanning programs on the Windows computer.
Please scan with all programs because each program detects different malware.
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: http://windows.microsoft.com/en-us/windows/using-defender
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Firefox 8.0 not responding

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