Firefox stops responding almost everytime I use Facebook

When I scroll down on Facebook or try to go to a game, Firefox stops responding for 10 to 45 seconds and comes on again. When i start scrolling it stops responding again. this problem occurs quite regularly

See:
* http://kb.mozillazine.org/Firefox_crashes
* https://support.mozilla.com/kb/Firefox+crashes

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Firefox stops responding after everytime when launched.

Every time I launch Firefox, after a while it stops responding and it does not give me a crash report. I have tried re-installing it but no luck. I used the same add-ons for almost a year without any problems, and I have not recently downloaded anything. This started happening a couple of days ago. I have tried running it in safe mode but it still stops responding a while after I open Firefox. I am having to use another browser which does not make me happy at all.
Thanks in advance, Mustafa.
== User Agent ==
Opera/9.80 (Windows NT 6.1; U; en) Presto/2.6.30 Version/10.60

That can be a problem with your AV software. Firefox let your default anti-virus program scan the file after the download has finished.
See http://kb.mozillazine.org/Unable_to_save_or_download_files

Since installing the latest update firefox stops responding and hangs during use.

The only way I can get it to work is to shut it down and restart the application. I can open IE and access the sites which don't respond so it is definately a firefox problem. All firefox tabs stop responding including downloads. This is occurring every 2nd or 3rd page I open. Help - it's driving me insane!

See:
* http://kb.mozillazine.org/Firefox_crashes
* https://support.mozilla.com/kb/Firefox+crashes

Firefox stops responding when trying to access facebook.

As of Sunday I cannot access Facebook. When I type in facebook in to the address bar Mozilla circle spins and then stops and eventually goes to "not responding." Every other website page I try to load is perfectly fine. And facebook page was fine as of Saturday afternoon. I came home on Sunday and it's not working now. Can anyone help? I have downloaded and run ccleaner, cleared cookies and cache with Mozilla. Not sure what else to do.

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings and disables most add-ons (extensions and themes).
''(If you're using an added theme, switch to the Default theme.)''
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu by clicking on the '''Restart with Add-ons Disabled...''' menu item: 
[[Image:FirefoxSafeMode|width=520]] 
If Firefox is not running, you can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
When you figure out what's causing your issues, please let us know. It might help others with the same problem.
Thank you.

My firefox stops responding and fades for about a half min almost every hour, OR MORE often

My firefox stops responding and fades for about a half min almost every hour, OR MORE often.
I am typing a message or information, the screen fades to about half bright. the curser freezes in place and no key responds.
The information bar at the top of the page says "firefox not responding" in about 30 seconds it restores and continues as tho nothing happens.

I might have discovered the solution without starting over with all your places and bookmarks.
Right after i installed 7.0.1 over a week ago,every 10-30 min When i would be watching videos online, it would freeze for 20-30 seconds. Firefox would say ( Not responding) both firefox and the plugin container process would be very large memory files. I tried to go back to Firefox 5.0. No avail it would still freeze.I tried to disable the plugin container . no good. I tried to adjust memory or cache or plugin settings in “about:config”.Nothing fixed it!
I finally discovered why my Firefox 7.01 was periodic hanging fix. It is something to do with some of your personal files. download this this add on and install it
https://addons.mozilla.org/en-US/firefox/addon/places-maintenance/
or you can Google "places maintenance Firefox"
After you install the add on, restart Firefox.go to "tools", then "add ons" and then click “extensions” tab ,then click' options" on the "places maintenance" entry. choose "ALL' or just "expire" and hit "execute", then wait until its done., restart Firefox. should be fine then and all my bookmarks, customizations ,settings, and history stays untouched!
After i did this my Firefox did not freeze once for over 3 days straight. Might not work for everyone. I already read that Mozilla is aware of the problem and are working on a fix it in the full version of 8( the 8 beta did not fix the problem for me) . But they said this is a good temporary fix at least,( might be permanent)
For me at least ,Firefox works fine in 7 now. perfect actually.And many people i saw on similar forums had similar problems.
Enjoy. Hope this helped

Everytime I try to copy and paste, Firefox stops responding. Why?

Ever since I updated to the latest version of Firefox, if I try to copy and paste anything, Firefox stops responding. If I try to paste in another program such as Skype or AIM, that program stops responding too. What can I do to stop this?

It is possible that your anti-virus software is corrupting the downloaded files or otherwise interfering with downloading files by Firefox.
Try to disable the real-time (live) scanning of files in your anti-virus software temporarily to see if that makes downloading work.
See "Disable virus scanning in Firefox preferences - Windows"
* http://kb.mozillazine.org/Unable_to_save_or_download_files

Firefox stops responding while loading a specific website

Whenever I open firefox and immediately try to load the website http://www.espncricinfo.com/ , firefox stops responding. But if I try to load this site after browsing some other sites, the problem seems to resolve automatically. The website loads without any problem in Chrome or IE. I encountered this problem first with firefox 14 and with firefox 15, the problem persists.

Start Firefox in [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Safe Mode] and check it again to see if one of the your extensions or hardware acceleration is the problem.
Do not click the Reset button. If the problem does not happen in Safe Mode see : [https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems ]
thanks again

Firefox stops responding after file download

After I download a file, Firefox stops responding and I have to wait for around 10 seconds before I can use it again.
This also happens when I'm using "Download them all"

That can be a problem with your AV software. Firefox let your default anti-virus program scan the file after the download has finished.
See http://kb.mozillazine.org/Unable_to_save_or_download_files

Firefox stops responding immediately after startup. I've tried all the recommended troubleshooting methods and cannot figure out why.

I have tried all of the recommended troubleshooting methods but none of them seem to work. This issue began despite no change being made to Firefox, or my computer; it just spontaneously stopped responding after launch.
Not only does Firefox stop responding, but it also prevents any other programs from being launched, and make already launched programs extremely slow. Furthermore, once it stops responding, it becomes impossible to get rid of; the only way is to log off, or restart the computer entirely.

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
*https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware

Ever since the most recent firefox update, every time I try to download anything firefox stops responding and will not do anything until I restart it. Can I revert back to a previous version, or is there a fix for it?

Every time I try to download anything firefox stops responding and will not do anything until I restart it. Can I revert back to a previous version, or is there a fix for it? When I restart firefox, then the download continues and all is well until I try to download something new (which I do quite often).

You may well find this article of interest and help in sorting out your problems: [[Installing a previous version of Firefox]] The article does contain a link for previous versions, but also points out other troubleshooting advice that may be more appropriate in some instances.
Another useful article is [[Basic Troubleshooting]]
I hope you sort out your problems either by downgrading or finding the cause of the problem.

When I click on a file to view in Finder in the view as columns, Finder stops responding. If I use Finder in any of the other views, I don't have an issue.

When I go to finder and view as columns so that the right column will open a preview of the file, I get the endless spinning graphic and when I go to Force Quit, it shows that Finder has stopped responding. When I use Finder in any other view mode, I don't have that issue. This just started today. As far as I know, I haven't done any updates today that would cause the issue. I've restarted a few times. I'm running 10.10 on iMac (27-inch, Mid 2011). I when to updates in the App Store and saw there was an update for 10.10.1 and tried to run it twice now. It starts to install and says I have 7 minutes left and then at about 3 minutes, it just opens all my windows again and acts normally. When I go to "About this mac", I'm still showing 10.10 as the OS. Also, in the App Store, when I click on updates, it shows me 4 updates that I've already installed as ready to install. Not really sure what's going on nor why all the sudden this is an issue, but I use the preview mode in Finder all the time so I would love a fix for this. I've tried logging out and logging in as another user and the same issue with Finder happens with other users as well. I've emptied my trash bin as well.

Step one is to log into a newly created admin user account and see if the problem persists.
27" i7 iMac (Mid 2011) refurb, OS X Yo (10.10), Mavs, ML & SL, G4 450 MP w/10.5 & 9.2.2

Firefox stops responding frequently; there is no specific pattern to these episodes which might identify the problem.

Firefox stops responding frequently (2 or 3 times daily). There are no observable patterns to these episodes which might identify a specific task that causes the crash. It has been increasing in frequency for about a month now.
== Crash ID(s) ==
Can't say

I have the same problem. I have diabled all my add-on's with no effect.
I have found that it has nothing to do with mulitple tabs.
But have found that it mostly (maybe only) happens with pages that containes lots of links, banners and adverts.
Typhically news and other "free" pages which relies heavily on sponsorship and such.
Why, because the pages work fine for a few seconds while it still load all the crap.
Have tried the same pages with IE and they work fine.
Obviously IE has gained an advantage on Mozilla this time.
Hope Mozilla will come with a fix since I have enjoyed them for some years no.

Whenever I try to upload a file, firefox stops responding as soon as I try to select the location of the file.

Every time I try to upload a file, firefox stops responding when I try to select the location of the file. It happens in Internet Explorer as well. Any suggestions?

It happens on all sites, this one included. The "file upload" window opens for me to select a file but before a list generates, firefox stops responding. It must be my computer, since it happens with internet explorer as well, but I don't know how to fix it.

When attempting to delete the complete "Browsing & Download History" Firefox stops responding.

Since I had not deleted my browsing history in a few months I attempted to do so today. Firefox stopped responding. After waiting around 10-15 minutes I ended the process and attempted to delete everything from "today" and it worked. I then, one by one, deleted everything for "all times" except "Browsing & Download History", and it all worked. Now all that is left is to delete this, but every time I try to delete it, and nothing else, Firefox stops responding.

How much history items do you have if the check that in the History Manager?
If there are too many then try to clear them month by month or in case you do not care to lose all history delete the places.sqlite file in the Firefox profile folder (Firefox will rebuild the bookmarks from the most recent JSON backup).
You can check for problems with the places.sqlite database file in the Firefox profile folder.
*http://kb.mozillazine.org/Bookmarks_history_and_toolbar_buttons_not_working_-_Firefox
*https://support.mozilla.org/kb/Bookmarks+not+saved#w_fix-the-bookmarks-file

Firefox stops responding almost everytime I use Facebook

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