Firefox Peters Out, Stops Responding

I downloaded Firefox about a week and a half ago,Firefox 3.
Everything was working fine, then about 3 days ago, sometimes the page would not respond to back command or some of my favorite web sites. Today, hotmail comes up in some 1996 script, very basic looking, and again, not at all responsive. It seems to have lost its juice.
I deleted the plist file. I even had a Genius Bar appt during which we reinstalled FF 3.
Can someone please tell me why this is happening and what I can do about it?
I had been using FF2 before, and that was working fine, but I thought it might be good to upgrade.
Going around on the FF forum was difficult.
Thank you very much in advance.

I have been experiencing similar problems. I've seen this for the past year or more (both firefox 3 and 2). I only see this on my Mac; not on a linux box that I use at work with the same version of firefox.
Just to be clear, the situation I observe is that the browser is not hung, it appears lively. However, most web links have no effect. Buttons on web pages appear to be pressed, but do nothing. If I right click and select "Open Link in New Window", I get a new blank window. It's been suggested that something like the java script interpreter has died. But, I don't know. I restart and things are often fine for a while.
In, perhaps, a related problem, there are times when it appears that the style sheet for a page does not load. This seems to correspond to the other symptoms.
I'd file a bug against firefox, but don't feel that understand this enough to describe it well.

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As the title says, Firefox 15.1 stops responding for no apparent reason!
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Firefox frequently updates your settings files, so there is a possibility of some damage when Firefox stops working unexpectedly, as a file could be left in an unreadable state. This could be similar to losing power to your computer, or having a severe (blue screen) crash.
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Adblock
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'''If Firefox is open,''' you can restart in Firefox Safe Mode from the Help menu:
* Click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
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;[[Image:SafeMode-Fx35]]
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thank you

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https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding?esab=a&s=stops+responding&r=0&as=s#os=win7&browser=fx17

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Problem signature:
Problem Event Name: APPCRASH
Application Name: plugin-container.exe
Application Version: 37.0.2.5583
Application Timestamp: 552ef76c
Fault Module Name: mozalloc.dll
Fault Module Version: 37.0.2.5583
Fault Module Timestamp: 552ee9ae
Exception Code: 80000003
Exception Offset: 00001aa1
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789
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https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding?esab=a&s=stops+responding&r=0&as=s#os=win7&browser=fx17

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

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== 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.

Stops responding

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

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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
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*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
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*https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware

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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.
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Firefox stops responding and some times dose not start when clicked on alot!

fire fox 9 stops responding for long periods and some times dose not load when clicked on. Also please note fire fox refuses to load the comments section on Yahoo.com under the news tab. The little wheel on the bottom of the page just spins and spins and never loads this area of the page.
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Firefox which stops responding after some time is a BIG problem. You're not the only one. The problem seems to be with sites which require Java. The problems I seem to have spotted is this : You visit a web site which needs Java so Java asks Firefox for the amount of memory needed and this is lent to JAVA. However, when you leave that web site, Java is naughty in that it doesn't give back the memory borrowd. Firefox then has to consume a lot of memory to the point that the whole computer system grinds to a halt as you have run out of memory.
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Firefox Peters Out, Stops Responding

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