Error after closing Firefox

Sometimes when I close Firefox I get error and nothing happens. I dont know why this happens, and everything except this. [http://i33.tinypic.com/2mxe7ur.pngm image]

Hello.
It's possible that you are having a problem with some Firefox add-on that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal?
Whenever you have a problem with Firefox, whatever it is, you should make sure it's not caused by one (or more than one) of your installed add-ons, be it an extension, a theme or a plugin. To do that easily and cleanly, run Firefox in [http://support.mozilla.com/en-US/kb/Safe+Mode safe mode] (don't forget to select ''Disable all add-ons'' when you start safe mode). If the problem disappears, you know it's from an add-on. Disable them all in normal mode, and enable them one at a time until you find the source of the problem. See [http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes this article] for information about troubleshooting extensions and themes and [https://support.mozilla.com/en-US/kb/Troubleshooting+plugins this one] for plugins.
If you need support for one of your add-ons, you'll have to contact its author.
If the problem is not disappears when all add-ons are disabled, please tell me, so we can work from there. Please have no fear of following my instructions to the line, as all can be easily undone.

Similar Messages

Error window after closing Firefox!

Hi,
After closing Firefox an error window appears. And after closing that window another smaller one appears.
Please help me.
Best Wishes,
Nick

What errors are you having appear?
Try to start Firefox in [[Safe mode|Safe mode]]. This mode disables all extensions, user customizations, hardware acceleration, etc. temporarily for diagnostic and troubleshooting. If Firefox works fine in Safe Mode, then this is likely an add-on issue. Restart Firefox in normal mode, then type "About:addons" (without the quotes) in the address bar. Disable your extensions one by one, restarting Firefox between each one, until you find the trouble maker. Once you do, you can disable that add-on and report the issue to that add-on's developer.
A few other basic trouble shooting things you can try is this:
Run all Windows Updates, install all needed service packs, etc.
Update your graphics driver (Firefox uses your graphics card for some rendering, and an out of date graphics card driver can cause problems. [https://support.mozilla.org/en-US/kb/how-do-i-upgrade-my-graphics-drivers https://support.mozilla.org/en-US/kb/how-do-i-upgrade-my-graphics-drivers].
Update all your plugins (Flash, Java, etc.): [http://www.mozilla.org/plugincheck/ http://www.mozilla.org/plugincheck/].
Download and Install MalwareBytes Anti-Malware, run a full Scan. [http://www.malwarebytes.org/ http://www.malwarebytes.org/]. This helps check that there are no viruses on your computer causing issues. You can uninstall this program after you clean off any infections.

After closing Firefox, at times I have to use task manger to shut down firefox.exe*32 at times,

As my title says, after closing Firefox, at times I have to use task manger to shut down firefox.exe*32 at times. I've left it running for up to 5 minutes to see if it shuts down/closes and it doesn't. I've also reloaded Firefox. My system is a Lenovo H210 with 3 gig of Ram and no added video card, the OS is Windows 7 Ultimate 64 bit SP1. I realize the memory is on the small side. I did try to update VLC player this morning to V 2.1.2 but it fails to run after instal due to file errors.
Bill

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.

I keep getting this message after closing Firefox and attempt to reopen-Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.

I keep getting this message after closing Firefox and attempt to reopen-Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.

See:
* http://kb.mozillazine.org/Recovering_a_missing_profile
* http://kb.mozillazine.org/Profile_in_use

After closing Firefox to use IE8 or any other program, everything is very choppy and slow. I have to go into Taskbar, Processes, and close firefox.exe manually (which is using up all the memory/CPU). Then, and only then, does everything behave normally. W

After closing Firefox to use IE8 or any other program (like InterVideo to watch a DVD), everything is very choppy and slow. I have to go into Taskbar, Processes, and close firefox.exe manually (which is using up all the memory/CPU and should have closed before). Then, and only then, does everything behave normally. What is going on and what am I doing wrong or missing??
== This happened ==
Every time Firefox opened
== about a couple months ago and happens every time I close Firefox.

'''Kill Application'''
In Task Manager, does firefox.exe show in the '''Processes''' tab?
See: '''[http://kb.mozillazine.org/Kill_application Kill Application]'''
'''Causes and solutions for Firefox hanging at exit:'''
'''[[Firefox hangs]]'''
'''[http://kb.mozillazine.org/Firefox_hangs#Hang_at_exit Firefox hangs at exit (Mozillazine article)]'''
'''[[Firefox is already running but is not responding]]'''
'''Safe Mode'''
You may need to use '''[[Safe Mode]]''' (click on "Safe Mode" and read) to localize the problem. Firefox SafeMode is a diagnostic mode that disables extensions and some other features of Firefox. If you are using a theme, switch to the DEFAULT theme: Tools > Add-ons > Themes before starting Safe Mode. When entering Safe Mode, do not check any items on the entry window, just click "Continue in Safe Mode". Test to see if the problem you are experiencing is corrected.
See:
'''[[Troubleshooting extensions and themes]]'''
'''[[Troubleshooting plugins]]'''
'''[[Basic Troubleshooting]]'''
If the problem does not occur in Safe-mode then disable all of your extensions and then try to find which is causing it by enabling one at a time until the problem reappears. You have to close and restart Firefox after each change via File > Restart Firefox (on Mac: Firefox > Quit). You can use "Disable all add-ons" on the Safe mode start window.
'''''Other Issues''''': to correct security/stability issues
'''Update Java''': your ver. 1.6.0.19; current ver. 1.6.0.20 (important security update 04-15-2010)
''(Windows users: Do the manual update; very easy.)''
See: '''[http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates Updating Java]'''
Do the update with Firefox closed.

Stop pop up ad that appears desktop after closing firefox

Need help to stop Firefox advertisement that appears on desktop after closing Firefox. Not very proficient with computers and need help to discontinue this pop-up.
Thanks,
Lynn Johnson

Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
*https://support.mozilla.org/kb/Basic+Troubleshooting#w_8-make-a-new-profile
There may be extensions and plugins installed by default in a new profile, so check that in "Tools > Add-ons > Extensions & Plugins" in case there are still problems.
If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See:
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox
Do a malware check with some malware scanning programs on the Windows computer. 
You need to scan with all programs because each program detects different malware. 
Make sure that you update each program to get the latest version of their databases before doing a scan. 
*http://www.malwarebytes.org/mbam.php - Malwarebytes' Anti-Malware
*http://www.superantispyware.com/ - SuperAntispyware
*http://www.microsoft.com/security/scanner/en-us/default.aspx - Microsoft Safety Scanner
*http://www.microsoft.com/windows/products/winfamily/defender/default.mspx - Windows Defender: Home Page
*http://www.safer-networking.org/en/index.html - Spybot Search & Destroy
You can also do a check for a rootkit infection with TDSSKiller.
*http://support.kaspersky.com/viruses/solutions?qid=208280684
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Hardware acceleration in Firefox 4 fluctuates my gpu clock speed and for some period of browsing will hang the gpu at the highest clock speed available even after closing Firefox 4.

After browsing heavily in Firefox 4 for some time, my gpu (ATI 5870 with the latest drivers) will stay clocked at the highest clock speed of 850Mhz and memory clock speed of 1200Mhz. Even after closing Firefox 4, the gpu will not down-clock and stay at those highest speed. I've tested the same browsing pattern on IE9 and in which this problem didn't exist so I don't think it's a driver issue. I now have to browse with hardware acceleration turned off to ensure I don't get this problem.

Ive downgraded from FF4 to 3.6 at this point. The CPU usage is out of control on OS X.

Error Message after Closing Firefox

Every time I close Firefox I receive an error message that the program stopped working. I have searched for a fix for this issue but I can't get it resolved. I have uninstalled Firefox and reinstalled it with no success. I am using Windows 8.1, 64 bit.

# Click the ≡ Menu Button and choose Options.
# Click the Privacy icon.
# Select "Firefox will: Use custom settings for history".
# Is the "Clear history when closing Firefox" option enabled? If so, uncheck it and see if the problem still occurs.
If Firefox crashes with that option unchecked, see the following article. If none of the troubleshooting steps help, please note the "Get help fixing this crash" section at the end.
* [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]]

After closing firefox I am unable to log on again until I close the reuuning firefox

The error message is:
Firefox is already running but is not responding. To open a new window you must first close the existing Firefox process, or restart your system.
I always have to restart.

''Firefox is already running but is not responding''
'''Plug-in and tasks started by Firefox may continue after attempting
to close Firefox''' The "X" in the upper right-hand corner closes the
Window (same as Ctrl+Shift+W) but even if it is the last Firefox window,
it does not necessarily close Firefox .
The only '''proper way to exit Firefox''' is to use '''Exit''' through the
File menu, not the "X" in the upper right corner of last Firefox window.
In the Beta that would be Alt+F then X
* '''Firefox hangs''' | Troubleshooting | Firefox Support http://support.mozilla.com/en-US/kb/Firefox%20hangs#w_hang-at-exit
Use the '''Windows Task Manger''' to remove all running firefox.exe in the "'''Processes'''" tab of the Windows Task Manager, then restart Firefox.
''very unlikely occurrence:'' If Firefox will still not start, remove the parent.lock file from the profile which is created each time Firefox is started to prevent other Firefox tasks from running, see 
http://kb.mozillazine.org/Profile_in_use#Remove_the_profile_lock_file
'''Avoiding Problems with close/restart'''
:Use to close and restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files, then you don't have to worry about delay or have to look in the Task Manager to see if Firefox is closed yet.
Keyboard shortcut "'''Ctrl+Alt+R'''" or a file menu option via ...
*"'''Restartless Restart'''" extension for Firefox 4.0+ only (2 KB download ) https://addons.mozilla.org/firefox/addon/249342/

FIrefox 4 beta does not work anymore. Directly after start-up (my homepage is showing) is firefox hanging, showing an hour glass. No button, URL or whatever can be used, except for the close button. But even after closing firefox, it keeps on running.

Even after closing down the application, the firefox task remains running in the background and must be killed with Windows Task Control.
Even deinstalling and installing the latest beta version does not solve it. Unfortunately I have to use Google Chrome Now.

Ok. I disabled hardware acceleration. The only extension is the McAfee Scriptscan for Firefox 15.1.0, which was already disabled. I then disabled all plugins (Acrobat, Google Update, Intel Identity Protection (2x), Java Deployment Toolkit, Java Platform, MS Office 2013, Quicktime, Shockwave, Silverlight), which were all up to date.
Normal or safe mode still has same result. No startup, no option button and no customize.
Thanks for your help. Got any other suggestions?

Sharing violation error after closing file

I am creating a text file using the "Write to Spreadsheet File"
vi. After creating the file, I cannot change the name, or open
the file in XL because I get a "sharing violation" error.
Apparently Labview has not released the file even after closing it.
Only after the main vi quits is the file released for editing by
others. I have never seen this problem before using the
Spreadsheet VI. Can anyone provide some help or advice?
I am running Win2000 SP4.
Thanks.
Greg Whaley

Hi Greg,
I can't reproduce this. I wrote a VI which should have caused this problem, but didn't. I attached it below. Give it a try and see if you have different results, of if something's different in your code that could have caused this.
Anyone else experienced this?
Jarrod S.
National Instruments
Attachments:
Open Excel File.vi ‏33 KB

Flash player won't install after closing Firefox.

Flash player install is frozen half way through with message to close the following programs: Mozilla Firefox.
After closing browser, it won't continue.

What is your operating system?

Firefox.exe process remains after closing Firefox

I closed Firefox 5 over 45 minutes ago. At the time it closed, I had around 60 tabs open. The Firefox window closed, but now, over 30 minutes later, firefox.exe is still consuming 624 MB of memory. For the record, currently Windows Task Manager shows firefox.exe consuming 00 CPU, 639,772 K Mem Usage and a Peak Mem Usage of 771,296 K.
I'm seen this behavior at other times and, on those occasions, the firefox.exe process did eventually terminiate and release that memory. Why does firefox.exe take so long to terminate? Is this a bug or just a result of the way I use Firefox? I do tend to have a lot of tabs, 60 to 75, open at any given time. I'm guessing that's more tabs than the typical user.

I should go on to add that I have already seen the Firefox Hangs |Hang at exit document and none of these look like the obvious issue. I'm running Java Version 1.6.0_26, so current there. I'm not running any of the listed Internet security software. The only extensions I'm running are Java Console 6.0.26, ReloadEvery 5.0.0 and Xmarks 4.0.1, so not a lot of extensions.

Have noticed that after closing Firefox -- when I try to reopen it - get mesg that it is already running -- Am using vers. 6

Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.

Must be the "hang at exit" problem. 
#Stop the Firefox process:
#*[http://kb.mozillazine.org/Kill_application Mozillazine - Kill application]
#*Windows 7 users click [http://www.techrepublic.com/blog/window-on-windows/reap-the-benefits-of-windows-7s-task-manager/2576 here]
#Why Firefox may hang:
#*[http://support.mozilla.com/en-US/kb/Firefox+hangs Firefox hangs] (see Hang at exit)
#*[http://kb.mozillazine.org/Firefox_hangs Firefox hangs (Mozillazine)] (see Hang at exit and Closing Firefox properly)
#*[https://support.mozilla.com/en-US/kb/Firefox+is+already+running+but+is+not+responding Firefox is already running but is not responding]
#Use Firefox Safe Mode to find a problem with an Extension or Plugin:
#*Don't check anything when entering Safe Mode, just continue
#*If the problem does not occur in Safe Mode it is probably and Extension or Plugin causing the problem
#*See:
#**[[Safe Mode]] and [http://kb.mozillazine.org/Safe_Mode Safe Mode (Mozillazine)]
#**[http://support.mozilla.com/en-US/kb/Troubleshooting+extensions+and+themes Troubleshooting extensions and themes]
#**[http://support.mozilla.com/en-US/kb/Troubleshooting+plugins Troubleshooting plugins]
#**[http://support.mozilla.com/en-US/kb/Basic+Troubleshooting Basic Troubleshooting]
'''If this reply solves your problem, please click "Solved It" next to this reply when signed-in to the forum.'''
Not related to your question, but...
You need to update some plug-ins:
*Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/
*Adobe PDF Plug-In For Firefox and Netscape: [https://support.mozilla.com/en-US/kb/Using%20the%20Adobe%20Reader%20plugin%20with%20Firefox#w_installing-and-updating-adobe-reader Installing/Updating Adobe Reader in Firefox]
*Next Generation Java Plug-in for Mozilla browsers: [https://support.mozilla.com/en-US/kb/Using%20the%20Java%20plugin%20with%20Firefox#w_installing-or-updating-java Installing or Updating Java in Firefox]

After closing firefox, if i re-open quite quickly i am told firefox is running, when, to me, it is obviously not.

on some occasions, i will close firefox by the top right corner 'close' other than minimise it, whilst i open another application, eg e-mail.
if i then open firefox in the usual way within a little while of closing it, i receive a message that a version of firefox is running, and that i should close it (?) and continue, or if not, then restart the system. if i do nothing for a while, the problem disappears in the sense that i can open firefox as normal.
i have another situation that occurs when i use ' clear recent history'. i sometimes receive a message to the effect that some script is still running, and it is therefore preventing the deletion
of history. the comment that shows is 'SCRIPT:chrome://browser/content/sanitize.js:133'.
this could indicate that there is something always running in the background, even though i have closed firefox, which may be causing both problems.

*Wait a bit longer before reopening Firefox to give Firefox more time to close completely.
*Use "Firefox/File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit") to close Firefox if you are currently doing that by clicking the close X on the title bar.
See "Hang at exit":
*http://kb.mozillazine.org/Firefox_hangs
See "Firefox hangs when you quit it":
*https://support.mozilla.com/kb/Firefox+hangs

Error after closing Firefox

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