Firefox freezes and the freeze then rapidly spreads to the rest of the computer, forcing a cold reboot.

The problem started a few weeks back. I'd be browsing the web with several tabs open, when suddenly the browser would freeze, staying stuck on the spinning wheel.
At first it would only be Firefox that froze but in the space of several minutes the laptop would have stopped responding. I was also unable to force quite Firefox.
The two websites that seemed to be most likely to cause the crash were Kotaku.com and YouTube. I've noted that it would take about 20-30 minutes (sometimes more) for the problem to appear.

Does your computer run out of memory when this happens.
Try to keep an eye on the current memory usage to see what is happening.
You can check for problems with current Flash plugin versions and try these:
*http://kb.mozillazine.org/Flash#Troubleshooting
Try to disable hardware acceleration in Firefox (you need to close and restart Firefox).
*Firefox > Preferences > Advanced > General > Browsing: "Use hardware acceleration when available"
Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
*Do NOT click the Reset button on the Safe Mode start window.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
Create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
If the new profile works then you can transfer some files from an existing profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over the problem.
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

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Every time i search nfl on google, firefox freezes then it sometimes unfreezes and other times crashes.

Every time i search nfl on google, firefox freezes then it sometimes unfreezes and other times crashes.

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
''(If you're not using it, switch to the Default theme.)''
* On Windows you can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac you can open Firefox 4.0+ in Safe Mode by holding the '''option''' key while starting Firefox.
* On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
[[Image:FirefoxSafeMode|width=520]]
''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 [[Troubleshooting extensions and themes]] article for that.
''To exit the 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 other users who have the same problem.''
Thank you.

In the last 4 days, whenever I go off the internet and then click on Mozilla to go back on the internet I get a message that says that I have to close Firefox or restart the computer; however, Firefox is not running and I end up having to restart my compu

I go on and off the Internet several times every day. In the last 4 days, when I go off the Internet by "x" ing out Firefox and I then later in the day try to go back on the Internet, I get a message that states something to the effect that Firefox is running and I need to either close out Firefox or restart the computer. I always end up having to restart the computer.
== This happened ==
Every time Firefox opened
== In the past 4 days

Try the solutions at http://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit

Every time i try to connect to firefox a message says the connection is untrusted, when i click get me out of here it goes to another firefox page and the it opens ok firefox opens as http first and then the second time it opens as https

help every time i try to connect to firefox a message says the connection is untrusted, when i click get me out of here it goes to another firefox page and the it opens ok firefox opens as http first and then the second time it opens as https

hello adzuki45, you already appear to run the latest version of firefox, so this shouldn't be a cause for concern, maybe your desktop shortcut is just misnamed).
when there's a problem with installing flash, please see if it works with the full installer that is available at http://helpx.adobe.com/flash-player/kb/installation-problems-flash-player-windows.html#main-pars_header

HELP PLEASE! I am working with GH4 4k footage in adobe preimere and the computer keeps freezing... any ideas?

HELP PLEASE! I am working with GH4 4k footage in adobe preimere and the computer keeps freezing... any ideas?

Thanks for your response. I'm sorry for the lack of details, but posting a question on this forum is completly new to me, so I guess I am learning how it works.
I have to be honest, I am a novice to video editing, but I am here to learn so I will provide all the info I know and please let me know if it is enough...
I filmed my first feature film on a Panasonic GH4. We filmed in 4k (compressed files). I am about 900 GB of total files for all the footage. I am currently editing on a 17' Toshiba Satellite i7 with 750 GB of space and I believe 8 gb of ram. All of the footage for the film is not on the computer, but stored on a 1 TB external hardrive (Rugged Lacie is the name of the hard drive). I am using a usb 3.0 from the hard drive to the computer.
I actually was able to get through about 17 mins of edits for the film before I started to experiencing the computer completely freezing up on me. I tried using a different hard drive, and same issue. A friend mentioned it might just be the computer is not powerful enough to edit all the footage, but he wasn't for sure considering the computer is less than a year old and is on the higher end for a toshiba.
I am requesting advice on how to continue editing the film without the computer crashing if that is even possible with using the same computer. If not what would be my options?
Thank you!

While in use, my Macbook Pro screen will go blank and the computer seems to freeze.

I have a 13 inch MBP running Maverick. Starting a few days ago, it will occasionally (once or twice a day) go blank (as does my second screen which is hooked to it) and the computer seems frozen. I've tried the key strokes to force quit but it does nothing. I am forced to hold down the power button and restart the computer. VERY Annoying! Anyone know a fix for this? or what triggers it?

jdbizzle,
have you tried resetting its System Management Controller, to see if that makes a difference?

Firefox has suddenly gone wrong. I was successfully running both Firefox and Internet Explorer 8 on Windows 7. I auto-accept upgrades including the most recent Firefox upgrade and the suggested upgrade to Adobe Flash 10.1. But after this, Firefox stopped

Firefox has suddenly gone wrong. I was successfully running both Firefox and Internet Explorer 8 on Windows 7. My laptop is new and has plenty of RAM and HDD. I auto-accept upgrades including the most recent Firefox upgrade and the suggested upgrade to Adobe Flash 10.1. But after this, Firefox stopped working and does not work when I re-load Firefox 3.6. Also IE8 now works very slowly and does not locate major websites like Microsoft without a 'can't find the website message' and having to pressing Return a second time. When I do get to the Mozilla website and click on the button to try to download Firefox 3.6.6, I get this message "Oops! Internet Explorer could not find mozilla3.snt.utwente.nl". Can you help with what has gone wrong? As it stands, I can't use Firefox at all. Note: because Firefox did not work after the upgrade, I've downloaded the IE8 version of the Adobe Flash 10.1. What I really want is to be able to use both Firefox and IE8. But is this possible if they use different versions of Adobe Flash?
== This happened ==
Every time Firefox opened
== About 2-3 days ago ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB6.5; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; .NET4.0C)

I have been having the same problem as the original poster. After upgrading to Ffx 3.6.6, the program asks you to upgrade to Flash Player Plugin 10.1. I download and installed 10.1 only to find videos weren't loading.
In my case, the problem is the previous installation of Flash Player (9.0.47) was somehow messing things up. To fix this, because I already had Flash plugin 10.1 installed I had to uninstall 10.1 using the uninstaller from adobe and then manually remove any files related the old flash player plugin 9.0.47
Here is a run-down of my process:
0. To check if you have a previous installation of the Flash Plugin lurking around, in Firefox go to Tools -> Add-ons -> Plugins (tab). At this point you may seen both Flash plugins.
1. Proceed to uninstall Flash Plugin 10.1. Adobe provides an uninstaller here: http://kb2.adobe.com/cps/141/tn_14157.html
( you have to make sure you have nothing running when you execute the installer).
2. On my Mac (sorry I don't know what it is in Windows) I searched the hard drive for any files/folders with "Shockwave". I found a folder called "Shockwave 10". It wasn't removed by Adobe's uninstaller. For safety I deleted it and then emptied the trash.
3. I then went to My HD -> Library -> Internet Plugins.
Remove the file and folder named "Flash player.old"
4. Restarted; ran the Adobe Flash Player 10.1 installer. Restarted again.
5. Opened up ffx and double checked the plugins list (see step 1). Version 10.1 is installed and available. Went to problem sites to test it out and Success!
Hope this helps.

Why are animated GIFs in Firefox 11 slow? I downgraded to Firefox 10 and the animated GIFs suddenly play fine again, so I am positive that the update messed up the playback delay of animated GIFs somewhere.

Self-explanatory. I am positive that the GIF I am viewing is faster than what it's supposed to be. I viewed the same animated GIF in another browser and it plays fine. It just plays slower in Firefox 11. I downgraded to Firefox 10 and the animated GIFs were fine again. I upgraded back to 11 and yet again the animated GIFs slowed down. This happens for all of my animated GIFs.
I like viewing my animated GIFs, and since I don't have any problems yet with Firefox 10, I'll be sticking with it for a while...

Yes I have exactly the same problem, and it has NOT been solved yet in Firefox 14. Please Mozilla, what is the use releasing more and more "major upgrades", Firefox 11, then 12, then 13, then 14 (one per month !) if you don't even care to fix the big problems ? That is just marketing crap, nothing more. You guys used to do amazing job, but the new policy is just unbearable, no offense meant : you need to react !

I installed Firefox 4 and the Orange App button plus the reload and stop are not showing

I installed Firefox 4 and the Orange App button plus the reload and stop are not showing.

You see the orange (on Linux gray) Firefox button if the Menu Bar is hidden, so you need to hide the Menu bar to get the new appearance. 
If you need to access the hidden Menu bar then press F10 or hold down the Alt key to make the Menu Bar appear temporarily. 
You can also place the Tab Bar on top.
* View > Toolbars : [ ] Menu Bar
* View > Toolbars : [X] Tabs on Top
Firefox 4 uses a combined Stop/Reload/Go button that is positioned at the right end of the location bar. 
During the page load process it shows as a Stop button and after the loading has finished the button is changed to a Reload button. 
If you type in the location bar then that button becomes a Go button. 
You can middle-click that Reload button to duplicate the current tab to a new tab.
To move the Stop and Reload buttons to their position to the left of the location bar you can use these steps:
* Open the "View > Toolbars > Customize" window to move the Stop and Reload button out of the location bar.
* Drag the Reload and Stop buttons to their previous position to the left of the location bar.
* Set the order to "Reload - Stop" to get a combined "Reload/Stop" button.
* Set the order to "Stop - Reload" or separate them otherwise to get two distinct buttons.

Just downloaded Firefox 4. Running Windows XP. Some of the new features are mising such as the new "Firefox Button" and the new location for the bookmarks button. The look is almost like Firefox 3. Why is this happening?

Hi. I just downloaded Firefox 4. Some of the new features are missing such as the new "Firefox Button" and the new location for the bookmarks button. It almost looks just like Firefox 3. I am using Windows XP on this desktop computer. On my laptop, running Windows Vista, Firefox 4 has all the updates advertised. Why is this happening? How do I fix?
Thanks
Jamie

Thanks so much!

HT3964 I just upgraded to Snow Leopard then Lion and the computer shut down after installation. Now when it starts up it gets as far as the apple icon and then shuts down again

I just upgraded to Snow Leopard then Lion and the computer shut down after installation.
Now when it starts up it gets as far as the apple icon and then shuts down again
whenever I turn it on it loads that far and then closes.
HELP!

Restore your bootable backup/clone or Time Machine backup of Snow Leopard, launch Disk Utility from the install disc, repair the boot volume, and reinstall Lion.

Whenever I open new tabs Firefox crashes and the browser window closes automatically.what will I do?

I am facing this problem since a month.I never faced this problem before.I always feel good to use Mozilla Firefox as my browser.I used to open multiple tabs in a same browser window.For example- in a tab I logged in to Facebook,at same time I might be downloading songs or something else or open another site in the other tab.It might be 2 or 3 tabs sometimes.But now a days,I am facing the problem whenever I open multiple tabs.Its unusual and so much annoying.The Firefox crashes and the browser window closes showing a messege to send an error report.Please Help me.
N.B. - I am using the Windows service pack 2.
RAM - 2 GB
Hard disk MEmory - 250 GB.

I had this same problem. Seems to be caused by the web developer tool bar FF extension (this started happening after a recent update to that extension). After disabling it, my FF is back to normal :)

I inserted my new 8gb 4x4 RAM but when i boot up the computer and choose this computer it only says that i have 4gb ram inserted and the computer isn't faster then with 2gb!? please help me! I have a MBP from 2009

I ordered my RAM 8GB from OWC (other world computing) and when i inserted the ram and booted up my computer it says that i only have inserted 4gb ram and the computer isn't faster than it was with 2gb!!! please help me... I've got a MacBook Pro (mid 2009)

Improperly seating memory is the curse of everyone, even experts. No one wants to "break" the memory or the slot by pushing too hard.
So, try again. Push maybe *just a twinge* harder to seat the memory (just a twinge).
As to speed ... memory mainly lets you keep more things active concurrently. Unless you were severely overtaxing your old memory and causing huge "Page Out" counts, only faster HD makes huge speed increases.

I have a dual 1.8 ghz pwer pc g5 and sometimes i put it in sleep mode and come home on my lunch break and the fan is running at full speed and the computer has frozen up...what is going on here?

and sometimes i put it in sleep mode and come home on my lunch break and the fan is running at full speed and the computer has frozen up...what is going on here? is it a virus or has my computer been hijacked? it cant be good for the computer...anyone ever had this problem..?

Your problem has been reported many times, but causes are as varied as individuals.
Can we assume that a hard shutdown allows a normal restart?
Can I assume that you have used Disk Utility from your OS X install disc to repair the hard drive directory? The freezes and hard shutdowns require that the drive be repaired (not permissions) or soon the machine won't boot at all.
If the root issue is software related, in Console (the application) under Logs, there should be loggings around the time of sleep and logs that tell you what process went wild and froze the machine.
Network activity is also a common casue.
Other info:
http://support.apple.com/kb/ht1776
If hardware related, such as an external drive, other USB device (Wacom tablet) or USB PCI card, ejecting, disconnecting, removing, or in the case of the Wacom, updating drivers, are all potential remedies.

I have an older macbook pro and the hard drive is starting to go (making loud noises). i tried to back up to an external hard drive (my passport essential se) using time machine and the computer keeps shutting down. suggestions to complete backup please?

I have an older macbook pro and the hard drive is starting to go (making loud noises). i tried to back up to an external hard drive (my passport essential se) using time machine and the computer keeps shutting down. the same thing happens when just trying to save my pictures from iphoto to a flash drive. suggestions to complete backup please?

Sounds like you'll need to access that drive while it is not booted. You need to replace it anyway, so do that, then one way or another (ext enclusure, et), access it and copy files.
If you keep trying to boot it, you might kill it for good and not get your files, so just swap it out first.

Firefox freezes and the freeze then rapidly spreads to the rest of the computer, forcing a cold reboot.

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