Browsed pages recalled when shutting down firefox

After I have browsed for a few pages, and I then decide to shut firefox down, I tend to see flashes of pages I browsed during the shutdown sequence. The pages may not necessarily be those of tabs not focused upon but can also be ones previously closed.

Try closing Firefox by clicking File | Exit

Similar Messages

Firefox become in Offline mode and unable to open any page and when shut down it remains in processes and freez up, blocking another to be run

When I on my Laptop, Acer Aspire 5735 with Windows 7 Ultimate run Firefox all runs perfectly smooth, all is working as expected, but when I go to Sleep mode or Hibernate (Firefox remains open) after turning on Firefox is not active any more, all open tabs are there but surfing is unavailable. Firefox reports message that it is in Offline mode (but menu File > Work Offline is not checked and if I check it and uncheck it again it doesn't have any impact). Which means If I open new tab and write web address it wont open, if I click any link in opened tabs from before, it wont open anything and it will show message that Firefox is in offline mode. After that I shut down Firefox by using Close(x) button and it disappears from desktop but it remains in memory and active processes not allowing any other instance of Firefox to be run. Finally I shut it down on force (End process) and start another instance and all works perfect. I am not sure is this only my problem with hardware/software configuration so I wanted to share this.

This is a pain but I have resolved it. This is instructions for Windows 7 but it may be the same on other Operating systems.
Note: "''YOUR USERNAME''" relates to the account you log on to Windows with.
# First go to control '''panel / folder options''' and ''uncheck'' ''''Hide extensions for known file types'''', ''check'' ''''Show hidden files and folders'''' and ''check'' ''''Show hidden operating system files'''' then click ''apply'' and ''OK''.
# Go here :''' C:\Users\"YOUR USERNAME"\AppData\Roaming\Mozilla\Firefox\''' and copy the '''Profiles''' folder to your desktop.
# Go here : '''C:\Users\"YOUR USERNAME"\AppData\Local\Mozilla\Firefox\''' and copy the '''Profiles''' folder to your desktop. You will need to rename this as you already have a Profiles folder so name it '''Profiles2'''.
# Uninstall Firefox (''selecting to remove all user settings'') then go here: '''C:\Program Files\''' and delete the ''Mozilla Firefox'' folder.
# Go here : '''C:\Users\"YOUR USERNAME"\AppData\Roaming''' and delete the ''Mozilla'' folder
# Go here: '''C:\Users\"YOUR USERNAME"\AppData\Local\ '''delete the ''Mozilla'' folder.
# Open another browser (i.e.'' Internet Explorer'') and download and install ''C-Cleaner'' here: [http://www.piriform.com/ccleaner/download/standard]
# Once installed run the ''''Registry cleaner'''' over and over until no problems are detected and exit the application. You may now uninstall it but it is probably one of the best free apps available as it has a better uninstaller than Windows does and controls which programs run when Windows starts without using the 'msconfig' command.
# Now download the latest version of Firefox with your other browser and install it then run the application once and close it down.
# Open the ''Profiles'' folder on your desktop and inside you will find one or more folders with a name ending in '''.default''' (i.e. ''uomifhku.default''). Right click each folder and select '''Properties''' to see which contains the highest amount of data or the bigger file size. Once you have done that open the largest folder and make sure there is nothing in there with '''... @security.compass''' written on it. If there is then delete it. Hold your ''left'' mouse button and move your mouse pointer over all of the files to highlight in blue. Put your mouse cursor on any one of the files, ''right click'' and select 'Copy' to copy them all to system memory and then close the folder.
# Go here: '''C:\Users\"YOUR USERNAME"\AppData\Local\Mozilla\Firefox\Profiles''' and find the folder ending in '''.default''' then open it. Now ''right click'' anywhere on the background in the main Payne containing the files and select 'paste'. When prompted to '''Overwrite Files''' and '''Merge Folders''' always accept and proceed. Once done, close the window.
# Open the '''Profiles2''' folder on your desktop and inside you will find one or more folders with a name ending in '''.default''' (i.e. ''uomifhku.default''). Right click each folder and select '''Properties''' to see which contains the highest amount of data or the bigger file size. Once you have done that open the largest folder and make sure there is nothing in there with '''... @security.compass''' written on it. If there is then delete it. Hold your'' left'' mouse button and move your mouse pointer over all of the files to highlight in blue. Put your mouse cursor on any one of the files, ''right click'' and select '''Copy''' to copy them all to system memory and then close the folder.
# Go here : '''C:\Users\"YOUR USERNAME"\AppData\Roaming\Mozilla\Firefox\Profiles''' and find the folder ending in '''.default''' then open it. Now right click anywhere on the background in the main Payne containing the files and select '''paste'''. When prompted to '''Overwrite Files''' and '''Merge Folders''' always accept and proceed. Once done, close the window.
Start Firefox and if all is well you should be working again and it back in the state you left it last without the bug.
Many thanks, sparkyuiop

NsAppShell:Event Window:firefox.exe-Application Error message when shutting down Firefox, how do I get rid of this error message?

I click to exit Firefox and the above error message & below this error message it says the following:
The instruction at 0x776fe144 referenced memory at 0xfffffffff. The memory could not be read. Click on OK to terminate the program.
The only change I have made recently was to upgrade to the current Firefox version 30.0, the above message showed up after the upgrade.

Your System Details
Installed Plug-ins
Shockwave Flash 14.0 r0
Shockwave Flash 12.0 r0
Shockwave Flash 11.9 r900
Having more than one version of a program may cause issues.

Firefox 18.0 crashes when I shut down Firefox on a 32-bit computer. OK in 64-bit computer.

Firefox 18.0 works well when I open it on a 32-bit desktop. I can open any website (I use only one tab). But when I shut down Firefox, I get the "Firefox crashed" message. It reloads ok, but I've never had this problem with any Firefox version before. I downloaded another copy of 18.0 and the same thing happened. 18.0 works perfectly on a 64-bit laptop. Both computers are wired to the router. I keep my security, Windows 7, etc. updated.
If I can download 17.x, I'd like to see if it happens there, too It never did before. I would appreciate your suggestions. Thanks.
Art

Hello [user],
Thank you for posting on Mozilla Support. We value and appreciate you as a user.
'''Try the Firefox Safe Mode''' to see how it works there. The Safe Mode is a troubleshooting mode, which disables most add-ons.''
''(If you're not using it, switch to the Default theme.)''
* You can open the Firefox 4.0+ Safe Mode by holding the '''Shift''' key when you use the Firefox desktop or Start menu shortcut.
* Or use the Help menu item and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
''Don't select anything right now, just use "'Start in Safe Mode"''
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before using the Firefox shortcut (without the Shift key) to open it again.''
'''''If it is good in the 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.
''When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.''
Did you know that Mozilla Support is helped out by volunteers? Be part of SUMO! http://mzl.la/OJtpch
Donate more than $30 and get a T-Shirt! https://donate.mozilla.org/page/contribute/joinmozilla

Firefox exe application error the instruction at 0x60177757 referenced memory at "0x00000004" the memory could not be read- happens when shutting down the system

This happens every time when shutting down the system?

Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.
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]
* [http://www.surfright.nl/en/hitmanpro/ Hitman Pro]
* [http://www.eset.com/us/online-scanner/ ESET Online Scanner]
[http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.
Did this fix your problems? Please report back to us!

Hello! I just figured this out.....When Firefox is open, my Illustrator CS2 modifier keys stop working? As soon as I shut down Firefox, they start working again. Please help! Thanks!

Hello!
I just figured this out.....When Firefox is open, my Illustrator CS2 modifier keys stop working?
As soon as I shut down Firefox, they start working again. Please help!
Thanks!
== This happened ==
Every time Firefox opened
== Not sure.

Try to create a new profile as a test to check if your current profile is causing the problem.
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 files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Firefox 11 attempts an illegal memory access at 0x00000014 when shut down.

Firefox 11 attempts an illegal memory access at 0x00000014 when shut down.
I'm not sure if the previous version did so since I had it very briefly.
Other than an error message from W2000 I haven't noticed any unpleasant side effects.

Hi,
I'm sorry about the formatting mess in my post!
I don't know how to turn off the formatting markup for the code lines ...
Jesús P.
Ignore this... I fixed formatting in the original post.
Thanks!
Edited by: user10304057 on 04-Feb-2010 08:48
Fixed formatting in original post

When shutting down, FF does not save tabs or ask if I want to save them.

Several times recently, when shutting down, the small window asking if I want Firefox to save tabs does not appear, and the tabs are lost.

One of the changes in Firefox 4: '''''by default''''' Firefox 4 does not display the "Save Tabs and Exit" warning message when closing multiple tabs, but it can be turned back on by changing some preferences.
*<u>Saving tabs was not removed from Firefox 4</u>, but it works a bit differently.
**By default, Firefox 4 will not ask to save tabs, but instead it will always save your tabs on exit. You can restore them next time by choosing "Restore Previous Session" from the History menu, or pressing the restore button on Firefox's default home page.
**''<u>Note: This was a decision by the developers. On this forum, we are all '''uncompensated volunteers''' here to help other users. The developes/employees of Mozilla/Firefox rarely, if ever visit here.</u>''
To display the "Save Tabs and Exit" message when closing multiple tabs, you can do the following:
#Type '''''about:config''''' in the URL/Location/Address bar and press the Enter key
#Accept the warning message (promise to be careful)
#The preferences page/list will open
#Filter = '''''browser.tabs.warnOnClose'''''
#If its value is set to false, double-click on it (in the lower panel) to toggle its value to true
#Repeat steps 4 and 5 for these following 3 preferences also:
#*'''''browser.warnOnQuit'''''
#*'''''browser.warnOnRestart'''''
#*'''''browser.showQuitWarning'''''
#**Note: last pref is new in Firefox 4b12, may need to add (boolean)
#**Info/Instruction for using '''''about:config''''': http://kb.mozillazine.org/About:config
#See:
#*https://support.mozilla.com/en-US/questions/785169
#*http://forums.mozillazine.org/viewtopic.php?f=23&t=2105039&p=10434467&sid=fd2a35945bb2c633687f7b50d8c53989
#*http://blog.zpao.com/post/3174360617/about-that-quit-dialog

Do i have a virus? I get asked when shutting down do I want to continue or abort the installation

Do i have a virus? I get asked when shutting down do I want to continue or abort the installation.
I am not installing anything.

You may have partially installed the "Genieo" or "InstallMac" ad-injection malware. Follow the instructions on this Apple Support page to remove it.
Back up all data before proceeding.
Malware is always changing to get around the defenses against it. In addition to the files listed in the support article, you may also have to remove the following in the same way:
~/Library/LaunchAgents/com.Installer.completer.download.plist
~/Library/LaunchAgents/com.Installer.completer.ltvbit.plist
~/Library/LaunchAgents/com.Installer.completer.update.plist
~/Library/Application Support/IM.Installer/Completer.app
One of the steps in the article is to remove malicious Safari extensions. Do the equivalent in the Chrome and Firefox browsers, if you use either of those.
After removing the malware, remember to reset your home page in all the web browsers affected, if it was changed.
If you don't find any of the files or extensions listed, or if removing them doesn't stop the ad injection, then you may have one of the other kinds of adware covered by the support article. Follow the rest of the instructions in the article.
If you find Apple's instructions too hard to follow, ask for an alternative that doesn't require you to trust a black-box application without knowing what it does.
Make sure you don't repeat the mistake that led you to install the malware. Chances are you got it from an Internet cesspit such as "Softonic" or "CNET Download." Never visit either of those sites again. You might also have downloaded it from an ad in a page on some other site. The ad would probably have included a large green button labeled "Download" or "Download Now" in white letters. The button is designed to confuse people who intend to download something else on the same page. If you ever download a file that isn't obviously what you expected, delete it immediately.
In the Security & Privacy pane of System Preferences, select the General tab. The radio button marked Anywhere should not be selected. If it is, click the lock icon to unlock the settings, then select one of the other buttons. After that, don't ignore a warning that you are about to run or install an application from an unknown developer.
Still in System Preferences, open the App Store or Software Update pane and check the box marked
Install system data files and security updates (OS X 10.10 or later)
or
Download updates automatically (OS X 10.9 or earlier)
if it's not already checked.

Why do I keep getting a firefox.exe - Application Error whe I shut down firefox?

After firefox automatically updated to version 11, I get an error when I shut down firefox:
firefox.exe - Aplication Error The instruction at :0x7c809af1" referenced memory at "0x00100000". the memory could not be "read". click OK to terminate the program
When I click OK the same message pops up. It will not allow the system to shut down I have to huld in the power button to force a shut down.
I have tried a clean install including deleting the mozilla folder and it is still happening.

Hi,
Please check if this happens in [https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode]. If the problem persists, please also try to '''Disable''' the '''Plugins''' in '''Tools''' ('''Alt''' + '''T''') > '''Addons'''.
[http://kb.mozillazine.org/Problematic_extensions Problematic Extensions]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes]
[http://support.mozilla.com/en-US/kb/Uninstalling+add-ons Uninstalling Add-ons]
[http://kb.mozillazine.org/Uninstalling_toolbars Uninstalling Toolbars]
Safe mode disables the installed '''Extensions''', and themes ('''Appearance''') in '''Tools''' ('''Alt''' + '''T''') > '''Add-ons'''. Hardware acceleration is also temporarily disabled - the manual setting is '''Tools''' > '''Options''' > '''Advanced''' > '''General''' > '''Use hardware acceleration when available'''. [https://support.mozilla.org/en-US/kb/Options%20window%20-%20Advanced%20panel?as=u Options > Advanced]. All these settings/add-ons can also be individually or collectively disabled/enabled/changed in Firefox normal mode to check if an extension, theme or hardware acceleration is causing issues.
[https://support.mozilla.org/en-US/kb/Options%20window Options]

Issues when shutting down Arch

When shutting down arch, as normal, System > Shutdown, it then shows the CLI and the login prompt:
mikeyd@DEATH_STAR: login
It used to sit there for 5 seconds then shutdown as usual, now it takes more than 20 seconds, if at all, is something holding up the shutdown process. Any help would be amazing.
Thank you
If you need any output, let me know
Last edited by degmic71 (2009-04-01 03:01:24)

Here is ps -e:
root@DEATH_STAR mikeyd]# ps -e
[root@DEATH_STAR mikeyd]# ps -e
PID TTY TIME CMD
1 ? 00:00:00 init
2 ? 00:00:00 kthreadd
3 ? 00:00:00 migration/0
4 ? 00:00:00 ksoftirqd/0
5 ? 00:00:00 watchdog/0
6 ? 00:00:00 migration/1
7 ? 00:00:00 ksoftirqd/1
8 ? 00:00:00 watchdog/1
9 ? 00:00:00 migration/2
10 ? 00:00:00 ksoftirqd/2
11 ? 00:00:00 watchdog/2
12 ? 00:00:00 migration/3
13 ? 00:00:00 ksoftirqd/3
14 ? 00:00:00 watchdog/3
15 ? 00:00:00 events/0
16 ? 00:00:00 events/1
17 ? 00:00:00 events/2
18 ? 00:00:00 events/3
19 ? 00:00:00 khelper
20 ? 00:00:00 kstop/0
21 ? 00:00:00 kstop/1
22 ? 00:00:00 kstop/2
23 ? 00:00:00 kstop/3
24 ? 00:00:00 kblockd/0
25 ? 00:00:00 kblockd/1
26 ? 00:00:00 kblockd/2
27 ? 00:00:00 kblockd/3
28 ? 00:00:00 kacpid
29 ? 00:00:00 kacpi_notify
30 ? 00:00:00 kseriod
31 ? 00:00:00 pdflush
32 ? 00:00:00 pdflush
33 ? 00:00:00 kswapd0
34 ? 00:00:00 aio/0
35 ? 00:00:00 aio/1
36 ? 00:00:00 aio/2
37 ? 00:00:00 aio/3
364 ? 00:00:01 ata/0
384 ? 00:00:00 ata/1
385 ? 00:00:00 ata/2
386 ? 00:00:00 ata/3
387 ? 00:00:00 ata_aux
452 ? 00:00:00 scsi_eh_0
453 ? 00:00:00 scsi_eh_1
454 ? 00:00:00 scsi_eh_2
546 ? 00:00:00 scsi_eh_3
547 ? 00:00:00 scsi_eh_4
553 ? 00:00:02 scsi_eh_5
555 ? 00:00:00 scsi_eh_6
656 ? 00:00:00 kjournald2
680 ? 00:00:00 udevd
710 ? 00:00:00 rt61pci
1973 ? 00:00:00 khpsbpkt
2031 ? 00:00:00 ksuspend_usbd
2032 ? 00:00:00 khubd
2097 ? 00:00:00 kpsmoused
2102 ? 00:00:00 knodemgrd_0
4346 ? 00:00:00 syslog-ng
4347 ? 00:00:00 syslog-ng
4369 ? 00:00:00 crond
4384 ? 00:00:00 dbus-daemon
4387 ? 00:00:00 hald
4390 ? 00:00:00 console-kit-dae
4391 ? 00:00:00 hald-runner
4481 ? 00:00:00 hald-addon-inpu
4486 ? 00:00:00 hald-addon-acpi
4487 ? 00:00:00 hald-addon-stor
4489 ? 00:00:00 hald-addon-stor
4503 ? 00:00:00 NetworkManager
4514 ? 00:00:00 wpa_supplicant
4516 ? 00:00:00 nm-system-setti
4523 ? 00:00:00 portmap
4526 ? 00:00:00 famd
4536 ? 00:00:00 gdm-binary
4537 ? 00:00:00 gdm-binary
4543 tty7 00:00:52 Xorg
4560 tty1 00:00:00 agetty
4561 tty2 00:00:00 agetty
4562 tty3 00:00:00 agetty
4563 tty4 00:00:00 agetty
4564 tty5 00:00:00 agetty
4565 tty6 00:00:00 agetty
4601 ? 00:00:00 dhcpcd
4614 ? 00:00:00 gnome-keyring-d
4626 ? 00:00:00 gnome-session
4648 ? 00:00:00 dbus-launch
4649 ? 00:00:00 dbus-daemon
4655 ? 00:00:00 gconfd-2
4658 ? 00:00:00 gnome-keyring-d
4661 ? 00:00:00 gnome-settings-
4662 ? 00:00:01 metacity
4665 ? 00:00:00 gnome-panel
4667 ? 00:00:00 gvfsd
4670 ? 00:00:00 nautilus
4674 ? 00:00:00 bonobo-activati
4678 ? 00:00:00 gvfs-fuse-daemo
4685 ? 00:00:00 gnome-power-man
4690 ? 00:00:00 nm-applet
4713 ? 00:00:01 gnome-screensav
4717 ? 00:00:00 gvfs-hal-volume
4719 ? 00:00:00 gvfs-gphoto2-vo
4721 ? 00:00:00 gvfsd-trash
4732 ? 00:00:00 gvfsd-burn
4740 ? 00:00:00 wnck-applet
4744 ? 00:00:00 cpufreq-applet
4747 ? 00:00:00 clock-applet
4749 ? 00:00:07 multiload-apple
4752 ? 00:00:00 mixer_applet2
4753 ? 00:00:01 sensors-applet
4755 ? 00:00:00 notification-ar
4845 ? 00:00:00 firefox
4857 ? 00:00:00 run-mozilla.sh
4863 ? 00:07:01 firefox-bin
4906 ? 00:00:00 gnome-terminal
4909 ? 00:00:00 gnome-pty-helpe
4910 pts/0 00:00:00 bash
4912 pts/0 00:00:00 su
4913 pts/0 00:00:00 bash
4953 pts/0 00:00:00 su
4954 pts/0 00:00:00 bash
4958 pts/0 00:00:00 su
4959 pts/0 00:00:00 bash
4984 pts/0 00:00:00 vim
4999 pts/0 00:00:00 ps
Here is my DAEMONS list in rc.conf:
DAEMONS=(syslog-ng network netfs crond hal alsa networkmanager networkmanager-dispatcher fam gdm)
Also may be my CIFS network shares that I mount? but never happened before
Last edited by degmic71 (2009-04-01 03:44:29)

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 got macbook pro 13" i bought in 2011 but its now getting slow when i start up or when shutting down .and apps takes time to open like just bouncing????????

i got macbook pro 13" i bought in 2011 but its now getting slow when i start up or when shutting down .and apps takes time to open like just bouncing????????

See the Mac OS X Speed FAQ.

MacMini Hangs When Shutting Down

Hi all.
I've tried looking up the answers to this but I have a slightly different issue from others who had issues when shutting down.
This started a few months ago. What happens is when I click to shut down the computer, everything starts closing out. The top menu bar disappears but then nothing else happens. I'm basically looking at my wallpaper with nothing on it but my dock will still be up. When I look on my dock the only thing that appears to be active is the "Finder" folder. When I click on it nothing happens, however, if I right click it says that the application is not responding and gives me the option to relaunch, but nothing happens. So it seems like there's something going on with the "Finder" folder that is preventing it from shutting down.
For what it's worth, I did run "Verify Disk" from Disk Utilities that said everything came back okay. I unplugged any external devices hooked up via USB like my USB hub to see if there was something going on there.
I have a 2012 Mac Mini.
In the past, I have let it go all night to see if it would eventually shut down and it won't. I have to force shut it down. Ideally, I don't want to do this. Has anyone else had this issue?
Thanks!

These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
Step 1
For this step, the title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
In the top right corner of the Console window, there's a search box labeled Filter. Initially the words "String Matching" are shown in that box. Enter "BOOT_TIME" (without the quotes.)
Each message in the log begins with the date and time when it was entered. Select the BOOT_TIME log message that corresponds to the last boot time when you had the problem. Now clear the search box to reveal all messages. Select the ones logged before the boot, during the time something abnormal was happening. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
For example, if the system was unresponsive or was failing to shut down for three minutes before you forced a restart, post the messages timestamped within three minutes before the boot time, not after. Please include the BOOT_TIME message at the end of the log extract—not at the beginning.
If there are long runs of repeated messages, please post only one example of each. Don’t post many repetitions of the same message.
When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Some private information, such as your name, may appear in the log. Anonymize before posting.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Step 2
In the Console window, select
          DIAGNOSTIC AND USAGE INFORMATION ▹ System Diagnostic Reports
(not Diagnostic and Usage Messages) from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar.
There is a disclosure triangle to the left of the list item. If the triangle is pointing to the right, click it so that it points down. You'll see a list of reports. A crash report has a name that begins with the name of the crashed process and ends in ".crash". A panic report has a name that begins with "Kernel" and ends in ".panic". A shutdown stall report has a name that ends in ".shutdownstall". Select the most recent of each, if any. The contents of the report will appear on the right. Use copy and paste to post the entire contents—the text, not a screenshot. It's possible that none of these reports exists.
I know the report is long, maybe several hundred lines. Please post all of it anyway.
If you don't see any reports listed, but you know there was a crash or panic, you may have chosen Diagnostic and Usage Messages from the log list. Choose DIAGNOSTIC AND USAGE INFORMATION instead.
In the interest of privacy, I suggest that, before posting, you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if it’s present (it may not be.)
Please don’t post other kinds of diagnostic report—they're very long and rarely helpful.

Kernal panic when shutting down

I've had 3 kernal panics in the past week when shutting down my macbook pro. Its a mid 2012 macbook pro with mountain lion. Here is the report log [which is the same for all 3 panics]
panic(cpu 1 caller 0xffffff802ceb7b95): Kernel trap at 0xffffff802ce46084, type 13=general protection, registers:
CR0: 0x0000000080010033, CR2: 0x00007fff7e8ecfc8, CR3: 0x000000000bade032, CR4: 0x00000000001606e0
RAX: 0xdeadbeefdeadbeef, RBX: 0xffffff7fae9ee148, RCX: 0xffffff80407c10b0, RDX: 0x0000000000000000
RSP: 0xffffff811cff2940, RBP: 0xffffff811cff2940, RSI: 0xffffff7fae9ee360, RDI: 0xffffff803f4bc550
R8: 0xffffff803f9d9ba0, R9: 0x0000000000000000, R10: 0xffffff80407c10b0, R11: 0xffffff811cff39d8
R12: 0x0000000000000001, R13: 0xffffff803f9d9ba0, R14: 0xffffff803f9d9ba0, R15: 0xffffff80407c10b0
RFL: 0x0000000000010282, RIP: 0xffffff802ce46084, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x00007fff7e8ecfc8, Error code: 0x0000000000000000, Fault CPU: 0x1
Backtrace (CPU 1), Frame : Return Address
0xffffff811cff25e0 : 0xffffff802ce1d5f6
0xffffff811cff2650 : 0xffffff802ceb7b95
0xffffff811cff2820 : 0xffffff802cece4ad
0xffffff811cff2840 : 0xffffff802ce46084
0xffffff811cff2940 : 0xffffff802cf0f9a6
0xffffff811cff2950 : 0xffffff7fae9ed011
0xffffff811cff29b0 : 0xffffff7fae9ec46b
0xffffff811cff3a30 : 0xffffff802d140db1
0xffffff811cff3a90 : 0xffffff802cef5666
0xffffff811cff3ae0 : 0xffffff802cf09311
0xffffff811cff3b90 : 0xffffff802cefbb09
0xffffff811cff3c40 : 0xffffff802cefc3e2
0xffffff811cff3f50 : 0xffffff802d1e17da
0xffffff811cff3fb0 : 0xffffff802cececf3
      Kernel Extensions in backtrace:
         com.avast.AvastFileShield(1.0.1)[573200C9-0B31-8BA4-099E-1DDEFCDE4C88]@0xffffff 7fae9eb000->0xffffff7fae9f0fff
BSD process name corresponding to current thread: launchd
Mac OS version:
12A269
Kernel version:
Darwin Kernel Version 12.0.0: Sun Jun 24 23:00:16 PDT 2012; root:xnu-2050.7.9~1/RELEASE_X86_64
Kernel UUID: 8D5F8EF3-9D12-384B-8070-EF2A49C45D24
Kernel slide:     0x000000002cc00000
Kernel text base: 0xffffff802ce00000
System model name: MacBookPro9,2 (Mac-6F01561E16C75D06)
System uptime in nanoseconds: 43895918140405
last loaded kext at 21278221950502: com.apple.filesystems.msdosfs          1.8 (addr 0xffffff7faea23000, size 65536)
last unloaded kext at 21874079173392: com.apple.iokit.IOUSBMassStorageClass          3.5.0 (addr 0xffffff7fae9fa000, size 69632)
loaded kexts:
com.avast.PacketForwarder          1.3
com.avast.AvastFileShield          1.0.1
com.apple.driver.AudioAUUC          1.60
com.apple.iokit.IOBluetoothSerialManager          4.0.9f8
com.apple.driver.X86PlatformShim          1.0.0
com.apple.driver.AGPM          100.12.69
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleHDA          2.3.0f2
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleMikeyDriver          2.3.0f2
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleBacklight          170.2.3
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.driver.AppleIntelHD4000Graphics          8.0.0
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleLPC          1.6.0
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.0.9f8
com.apple.driver.AppleSMCLMU          2.0.2d0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.2.6
com.apple.driver.AppleIntelFramebufferCapri          8.0.0
com.apple.driver.SMCMotionSensor          3.0.2d6
com.apple.driver.AppleUSBTCButtons          235.4
com.apple.driver.AppleUSBTCKeyboard          235.4
com.apple.driver.AppleIRController          320.15
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.iokit.SCSITaskUserClient          3.5.1
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.2.0
com.apple.driver.AppleFWOHCI          4.9.5
com.apple.driver.AppleUSBHub          5.1.6
com.apple.iokit.AppleBCM5701Ethernet          3.2.5b3
com.apple.driver.AirPort.Brcm4331          600.15.20
com.apple.driver.AppleSDXC          1.2.2
com.apple.driver.AppleAHCIPort          2.4.0
com.apple.driver.AppleUSBEHCI          5.1.5
com.apple.driver.AppleUSBXHCI          1.1.0
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleACPIButtons          1.6
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.6
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.driver.DspFuncLib          2.3.0f2
com.apple.iokit.IOAudioFamily          1.8.9fc9
com.apple.kext.OSvKernDSPLib          1.6
com.apple.kext.triggers          1.0
com.apple.driver.X86PlatformPlugin          1.0.0
com.apple.driver.AppleHDAController          2.3.0f2
com.apple.iokit.IOHDAFamily          2.3.0f2
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.IOPlatformPluginFamily          5.2.0d16
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.0.9f8
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.iokit.IOSurface          86.0.2
com.apple.iokit.IOBluetoothFamily          4.0.9f8
com.apple.driver.AppleGraphicsControl          3.2.6
com.apple.iokit.IONDRVSupport          2.3.4
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.driver.AppleSMC          3.1.3d11
com.apple.driver.AppleUSBMultitouch          235.7
com.apple.iokit.IOUSBHIDDriver          5.0.0
com.apple.driver.AppleThunderboltDPInAdapter          1.8.5
com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.5
com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.5
com.apple.driver.AppleUSBMergeNub          5.1.5
com.apple.driver.AppleUSBComposite          5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.1
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOAHCISerialATAPI          2.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.driver.AppleThunderboltNHI          1.6.0
com.apple.iokit.IOThunderboltFamily          2.0.3
com.apple.iokit.IOEthernetAVBController          1.0.2b1
com.apple.iokit.IO80211Family          500.15
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOUSBUserClient          5.0.0
com.apple.iokit.IOAHCIFamily          2.2.0
com.apple.iokit.IOUSBFamily          5.1.6
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.8.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          344
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.6
com.apple.iokit.IOPCIFamily          2.7
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0

Note that, though Linc is certainly correct about Avast, and about many other anti-virus programs, his is an extreme sentiment that, like most extreme sentiments, is not entirely accurate. Some Mac anti-virus software is quite well behaved, such as ClamXav and Sophos. Whether you need it or not is not for someone else to tell you. You should let your personal tastes, behaviors and requirements dictate whether you use anti-virus software, within the framework of an educated protection plan. See my Mac Malware Guide for more information that can help you figure all that out.

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