Why is Firefox intermittently and randumly causing NV4_DISP.DLL fault?

This fault has been going on for the last 6 months

ok, bit the bullet and bought the antec true power 430. i was at the store, and i thought, well i've already spent $85 on the PSU, might as well purchase an FX 5200 and free up the 32MB shared memory. then i thought, well got the FX 5200 TRD128 with the "what looked really cool" media center deluxe 2 on the box and what the heck, i'll buy a dvd-rom so i can make full use of the media center (since i already had the TV@nywhere card). so i ended up doing a major overhaul of the computer and so far so good.
thanx for the suggestions

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Firefox v15 and up cause my computer (MAC OSX 10.8.2) to freeze for about 30 seconds every 15-30 seconds and forces me to turn it off with the power button

Firefox v15 and up cause my computer (MAC OSX 10.8.2) to freeze for about 30 seconds every 15-30 seconds and forces me to turn it off with the power button. It only causes this after I have opened Firefox, my computer runs fine before opening Firefox. I have uninstalled Firefox and cleared my personal settings. I have installed future updates (16 and 17) and have run into the same issue. I cannot pull any information on RAM or CPU usage because when it happens it makes my computer unusable. Unfortunately I need to use FF for work and can't. I have tried the different responses on the forums to reduce the amount of RAM and CPU usage with no change in performance.

Duplicate of https://support.mozilla.org/en-US/questions/944207

Why is Firefox intruding and sending updates when auto updates are turned off? This constant update wreaks havoc with add-ons

Why is Firefox intruding and sending updates when auto updates are turned off? This constant updating wreaks havoc with add-ons
Why is Firefox violating my computer?

I left "automatic updates" for Firefox UNCHECKED and left download when updates are found UNCHECKED. " Ask me wha I want to do" is CHECKED.
In English, that means don't automatically update and if updates are found ASK.
It does NOT mean ignore all the instructions and download!

Why is Firefox intermittently deleting my settings & customizations?

During the last couple of weeks I have had a problem with firefox intermittently deleting my Settings & Toolbar Customizations. Theres no way of knowing when it will occur. I sometimes just close firefox and when I open it again later im greeted by the 'Welcome to Firefox' page. At this point my toolbar customizations have all reverted to the default, my homepage is gone and all my settings have been reset to default too. I then set everything back up again and then the same thing will happen later on. It's occurred about 10 times now. I've tried disabling my addons & Reinstalling firefox and re-entering my settings & customizations from scratch and it still happens. Sometimes it won't happen for 3 or 4 days. Other times it will happen 3 or 4 times in a single day. It's getting very frustrating now and I'd just like to find out the cause. Is anyone else having this problem?
Heres a few extra details :
OS - Windows 7 Home Premium 32-Bit
Firefox Addon's - Backward/Forward History Dropdown 0.23
Status-4-Evar 2011.11.13.22
As I say I disabled both those addons and it still occurred so I don't believe they are the problem. Any Ideas?

'''PopClip may be the culprit'''
I looked everywhere on my MacBook trying to find out why FireFox was launching at login, to no avail. Finally, thinking that it might be an infection of some sort, I uninstalled Firefox 9. Well today, while updating PopClip (a WONDERFUL and useful little utility), I noticed that one of the bugfixes involves issues with launching Firefox (see attached screenshot).
For more info on this, see the info on v1.2.3 at http://pilotmoon.com/popclip/. I installed this update, reinstalled Firefox, and the problem is no longer there. Yay!

Why does Firefox intermittently quit responding with MS Word 2002 open?

I've noticed when I have MS Word 2002 (sp-3) open, Firefox will start intermittently hanging. No error message. I've also noticed, I can go to the task bar and minimize it, and then immediately maximize the Firefox tab, and it start working for a little bit. Quite irritating in the middle of a password input, since you sometimes forget where you were. This started happening about 4 to 6 Firefox versions ago. What's interesting, with MS Excel open, it's not an issue. It also doesn't make a difference which one was launched first. Same problem, and it's a very short time between hangs, maybe 15 to 30 seconds. I close MS Word, and there's no Firefox issues. I cut and past paragraphs etc, into my Word Docs for future reference, and my PC library, since sometimes you come back to the weblink, and they are gone. Therefore, I like to have both open. My work around is to keep opening and closing Word. :-/
No other issues come to mind. I really prefer Firefox, but if I'm in Word for any length of time, I have to use one of my other 3 browsers, which have no issues with Word. IE, Chrome, and Opera.
Personal Build System: Windows 7 Pro, 64bit, (sp-1), AMD Phenom II, A4 x840, 3.2Ghz, w/ 8GB Ram, Windows Exp 5.9, AMD Radeon HD6570, 2gb video ram) on MSI mobo 880G-E45.

I have a status bar on my desktop that shows processor and memory usage. The memory normally stays between 20% and upper 30 % range. Not sure that I've ever seen it above 50%. It's at 37% (of 8gb) right now with 5 IE tabs going, which I've had 15 or more open with no issues(in both IE and Firefox)...and Excel is open, and 3 Firefox windows are open, along with several other applications. I just launched Word, and the memory didn't change. I just closed it so I could continue typing. I hate replacing it, when it works fine, and I've had no issues other than this. Since it was working fine, until 4 to 6 Firefox versions ago, It has to be something different with that or one of the plug-ins possibly, although I think I went through deactivating all the plug-ins per a post I saw about a year ago. Wasn't the same issue though, but I thought it might help. It was a waste of time, so I reactivated a select handful. '''That's a lot of $$ to spend, especially if that's not the issue.''' 'had rather put that $ on my next PC build. :-) I have the whole Office Suite.

Why are firefox updates (and history) lost every time I restart?

Every time I restart firefox, it indicates update is available which successfully installs. But when I restart, same message appears every time and history is lost as well.

Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.
Download a fresh Firefox copy and save the file to the desktop.
*Firefox 21.0: http://www.mozilla.org/en-US/firefox/all.html
Uninstall your current Firefox version, if possible, to cleanup the Windows registry and settings in security software.
*Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you lose personal data like bookmarks and passwords from profiles of other Firefox versions.
Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\"
*(64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"
*It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
*http://kb.mozillazine.org/Uninstalling_Firefox
Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox.
*http://kb.mozillazine.org/Profile_folder_-_Firefox
*http://kb.mozillazine.org/Profile_backup
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
Problems with bookmarks and history not working properly can be caused by a corrupted places.sqlite database file.
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

Why has Firefox suddenlhy and permanently stopped working on my MacBook Pro?

Firefox launches and runs for 3-4 seconds, then hangs for 3-4 seconds, then crashes. I have uninstaled and re-installed Firefox "clean" with the same results. I have started in Safe Mode with the same result. I have uninstalled Flash Player, same result. I have downgraded to Flash 10, same result. I am attaching the troubleshooting Information as well as the latest crash report.

We're sorry to hear that your Firefox seems to be crashing when you open it. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.
#Open the Finder by clicking the smiley face icon in the dock.
#Navigate to the following directory: ''~ / Library / Application Support / Firefox / Crash reports / submitted''.
#Now, you should see a list of files that contain reports. Click the gear icon in the toolbar (or open the ''View'' menu), then select ''Arrange by'' > ''Creation date'' to get the most recent files at the top of the window.
#Open the most recent 5 files with a text editor and copy the IDs.
#Paste each ID into the reply window on the forums.
Thanks in advance!
You can find more information and troubleshooting steps in the [[Firefox crashes]] article.

Why is Firefox 4 and 5 slower than firefox 3 in Mac OS X Snow Leopard?

You told me Firefox 4 was fast, so I upgraded from the latest release of 3.xx. Immediately I started seeing a pinwheel mouse cursor when I had more than about 5 or 6 tabs showing (the pinwheel is the Mac OS X equivalent of the Windows hourglass, at least in Snow Leopard). I have the latest release of Firefox 5 and I'm still seeing pinwheels.
This happens several times a day, but not every time Firefox opens. It usually takes a few minutes for the pinwheel to show up. When it gets to where the pinwheel appears to be permanent, I Force Quit Firefox and restart it, and that helps for a while.

Did you want me to re-post this in that forum or can one of the mods from here move it?

Why does my firefox intermittently (and seemingly randomly) behave as though my control key is stuck on, even though my keyboard behaves normally in every other program? AND it will also randomly change my keyboard mapping to an international one.

I will be using firefox, and for some reason, it behaves as though control key is being held down. If i use the mouse wheel, the page zooms. If I press the letter 'o', the "Open file..." dialog opens. But I'm not holding control. If, while this is happening, I switch to another application like Notepad, it behaves normally. But then I'll go back to firefox and the problem is still there. It seems to randomly start and stop.
Also, in a possibly related problem, my keyboard mapping will change from my default US to some other foreign mapping where shift-6 incorrectly outputs '?' instead of '^', for example.

I will be using firefox, and for some reason, it behaves as though control key is being held down. If i use the mouse wheel, the page zooms. If I press the letter 'o', the "Open file..." dialog opens. But I'm not holding control. If, while this is happening, I switch to another application like Notepad, it behaves normally. But then I'll go back to firefox and the problem is still there. It seems to randomly start and stop.
Also, in a possibly related problem, my keyboard mapping will change from my default US to some other foreign mapping where shift-6 incorrectly outputs '?' instead of '^', for example.

Why does firefox intermittantly open a new window when I click on an existing tab? This only happens when I have three or more tabs open.

Several times now Firefox 4.0.1, when clicking on a tab (three or more tabs open) I immediately moves that tab to it's own window and closes the tab in the existing window.

That is probably the "tear-off tabs" feature. A slight movement (usually downward) when clicking on an existing tab will cause that tab to "tear-off" and open in a new window. You can drag the tab back to the previous window. You can also install this add-on to stop the behavior: https://addons.mozilla.org/en-US/firefox/addon/bug489729-disable-detach-and-t/
 
 
'''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question.
*Adobe Shockwave for Director Netscape plug-in, version 11.5.9.615
*Next Generation Java Plug-in 1.6.0_20 for Mozilla browsers
#'''''Check your plugin versions''''' on either of the following links':
#*http://www.mozilla.com/en-US/plugincheck/
#*https://www-trunk.stage.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#*There are plugin specific testing links available from this page:
#**http://kb.mozillazine.org/Testing_plugins
#'''Update Shockwave for Director'''
#*NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player.
#*Use Firefox to download and SAVE the installer to your hard drive from the link in the article below (Desktop is a good place so you can find it).
#*When the download is complete, exit Firefox (File > Exit)
#*locate and double-click in the installer you just downloaded, let the install complete.
#*Restart Firefox and check your plugins again.
#*'''Download link and more information''': http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox
#'''Update the [[Java]] plugin''' to the latest version.
#*Download site: http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE)
#**'''''Be sure to un-check the Yahoo Toolbar option during the install if you do not want it installed.
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#* Removing old versions (if needed): http://www.java.com/en/download/faq/remove_olderversions.xml
#* Remove multiple Java Console extensions (if needed): http://kb.mozillazine.org/Firefox_:_FAQs_:_Install_Java#Multiple_Java_Console_extensions
#*Java Test: http://www.java.com/en/download/help/testvm.xml

Why does FireFox freeze and the only way to unfreeze it is to open the task manager and close the plugin-container.exe file??? It has been happening more and more often and it is getting VERY AGGRAVATING!!!!!

When Firefox does freeze (not responding appears in parentheses in the page tab) I am not able to access any of the webpages (the entire webpage is hidden behind a vaguely white transparent foreground) and more often than not any files I might be downloading are stopped before the entire file has been transferred - which means that I have to start those downloads from the beginning AGAIN. This has been happening for quite some time and I AM SICK AND TIRED OF IT HAPPENING!!
If it continues to happen for much longer I will swear off FireFox FOREVER!!!!! Either a program works or it does not work and lately Firefox has not worked worth a damn...........
The ONLY way to force Firefox to allow me to access it is for me to end the plugin-container.exe file process using Task Manager. Clearing there is a SERIOUS problem here that has not been resolved - why not???

The pluging container opens up unnecessary copies as the cookies/history are cleared, this is a known issue, it might be what you are seeing, and it is hoped to be fixed in some future release of firerox.
There are some hangs affecting some users, with symptoms being high cpu usage, occurring as bookmark changes or syncing is in progress, there is a work around for that.
Firefox hanging as you close it see:
*[[firefox hangs]]
* [[firefox is already running but is not responding]]

Why does Firefox frequently and randomly crash?

Hi there, for the last couple months Firefox has gone from rock solid stability to frequently crashing randomly. The crashes occur when I'm actively browsing or not doing anything - I can't identify any particular action that is causing the crashes. The crash IDs are seemingly random and from a variety of sources.
Here are 5 recent crash ID's:
c97123e4-154d-40e9-b062-0adad2101025
70657a9e-5a9b-4f01-9eed-fe3162101025
959a25e7-75ee-4b2c-879b-bc5382101025
465eac9c-56f9-4d61-8b72-22d7d2101023
25590fa8-fdd7-48a8-8cb8-fa3052101022
Much thanks!

Does this occur when you click links in search engine results? There were some malware around that did this, which you can read about by searching for "Google Redirect Virus". Some are quite difficult to remove.
You can try these free programs to scan for malware, which work with your existing antivirus software:
* [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner]
* [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware]
* [http://support.kaspersky.com/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility] - especially useful for tough cases
* [http://www.bleepingcomputer.com/download/adwcleaner/ AdwCleaner] ''(ignore banner ads for other products)''
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.

Why does firefox freeze and then doesn't fully release from memory, but I have to End Process from Task Manager?

Frequently, Firefox for Windows (Vista) freezes up. I click on a link or try to go to another web page and nothing happens. The icon in the tab is just spinning, with Connecting. but it never connects. Then when I close it - if it lets me. I click to open it again and a window pops up saying that Firefox is already running, to please close it before launching it again. I have to go to Task Manager and End task from the Processes tab. It is also a resource hog including the Plug-In Container.

The pluging container opens up unnecessary copies as the cookies/history are cleared, this is a known issue, it might be what you are seeing, and it is hoped to be fixed in some future release of firerox.
There are some hangs affecting some users, with symptoms being high cpu usage, occurring as bookmark changes or syncing is in progress, there is a work around for that.
Firefox hanging as you close it see:
*[[firefox hangs]]
* [[firefox is already running but is not responding]]

Why is Firefox typing and cursor are slow upon a normal startup but everything works well when I restart in safe mode?

When I open FIrefox normally, the cursor movement is very jerky - seems to get stuck on every link. In addition typing in any box is delayed. When I restart with add-ons disabled and in safe mode, the cursor moves fine and typing is normal. I have disabled all my add-ons but that doesn't seem to help as each time I restart, the jerky cursor and delayed typing present again. What is wrong?

Thanks - that seems to have solved the problem

Why does Firefox 4 and 5 not ask anymore, it should safe all open tabs before quitting the program as it did in the 3.x versions?

Is there a way to make Firefox 5 ask when quitting the program weather it should safe all open tabs for the next time. In versions 3.x it always asked and reopened the same tabs on next program start.
I could not find the preference to get this very useful feature back or did the programmers take it out of the new versions?

See item #31 (#tabslost) in the following
-- you can turn option on at end and then tabs will be restored whether you do or don't or don't restore tabs at end you still have the same chance through the History menu. to restore your previous session and then to restore previous windows
You can make Firefox 4.0.1 and '''Firefox 5.0''' look like Firefox 3.6.17, see numbered items 1-10 in the following topic [http://dmcritchie.mvps.org/firefox/firefox-problems.htm#fx4interface Fix Firefox 4.0 toolbar user interface, problems (Make Firefox 4.0 look like 3.6)]

Why is Firefox intermittently and randumly causing NV4_DISP.DLL fault?

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