Firefox 3.6.11 often closes when I minimize it

I checked the '''about:crashes''' page, and it didn't crash. It simply disappears when I minimize it sometimes. (3 times per week approx.)
If I open up a new session, all the previous tabs are gone. Then, I'll choose '''file ->exit''' within the new session and choose ''save and quit''. Then I open up a new session and my tabs are back.
Only reference I could find to others having this similar problem was from 2005 and FF 1.5.

I tried the what you just suggested about firefox crashes...it is NOT HELPFUL at all!! The program still crashes upon launching and reboots my computer!!

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Firefox freezes and jumps and closes when i minimise

only in the last few days have i had problems with firefox ,it freezes and jumps and closes when i minimise i have looked through the answers in the forum but dont find anything helpfull ,or its to complicated to understand am very new to this computer game.
i have run my antivirus avast and my system is clear of malwhere or so it says
both google crome and inernet explorer work fine but my preference is firefox
help please its driving me mad
== This happened ==
Every time Firefox opened
== in the last 3 days

Duh!!!!! Stupid me! Of course! Doing it now!

Firefox closes when I minimize it

I want to minimize Firefox to see the desktop. I click the minimize button and Firefox closes instead of minimizing.

I just tried the center box to make it smaller and that works and if I then minimize it it works, but when I try to minimize from a full page it closes out completely.

When I close Firefox, it doesn't actually close, when I try to re-open. It says Firefix already open or active, but I have no access. Whats the problem?

If I log out of, (shut down Firefox), when I try to open it again, I get a message that Firefox is already running, and I can't get access, I have to log off my system and log back in before I can access Firefox.
Do you have any idea why this happens, and how I might fix it.

For possible causes and solutions see [[Firefox is already running but is not responding]].

My Firefox freezes every so often and when it freezes, it stays frozen for a half hour or so. No matter how many times I quit and restart it, it still freezes as soon as it opens up and I can't click anything except the quit button. Why?

I am on FF and it suddenly freezes. The window says that it is not responding and it doesn't start to respond again. So I quit and open it up again. It loads all the basic images and then freezes again and stops responding. I try over and over again to quit and restart it, but it never responds and I have to swith over to using Internet Explorer when FF does not respond. Why does it do this?

Thank you so much!
I didn't think the first page would help me because I could still add, delete and edit my bookmarks, then restart the browser and it would've saved the changes. Also, I didn't think the second page would help me because my browser didn't have any of the symptoms listed. The problem I had wasn't with adding, deleting, or editing the bookmarks. I simply couldn't organize my bookmarks in a certain folder because the bookmarks would jump around when I tried to move them. However, I looked down the second link's page and found a section titled "Problems limited to bookmarks". I did what the first sentence told me to and it allowed me to FINALLY organize that folder!
Thanks again!

My firefox always opens a crash report when I close it. Even if I have no tabs open and close firefox.

The Crash information is:
AdapterDeviceID: 95c4
AdapterVendorID: 1002
Add-ons: TFToolbarX@torrent-finder:1.2.6,{1de0de3c-0b5c-4f67-90c6-689623894991}:0.3,{9fb7d178-155a-4318-9173-1a8eaaea7fe4}:2.1.11,{B17C1C5A-04B1-11DB-9804-B622A1EF5492}:1.2.1,{c0c9a2c7-2e5c-4447-bc53-97718bc91e1b}:5.4,{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}:1.3.9,{D4DD63FA-01E4-46a7-B6B1-EDAB7D6AD389}:0.9.8,{ef4e370e-d9f0-4e00-b93e-a4f274cfdd5a}:1.4.4,{b9db16a4-6edc-47ec-a1f4-b86292ed211d}:4.9.5,[email protected]:4.0.2,{1E73965B-8B48-48be-9C8D-68B920ABC1C4}:10.0.0.1410,avg@igeared:7.008.031.001,[email protected]:1.3.5
AvailableVirtualMemory: 3804364800
BuildID: 20110902133214
CrashTime: 1316851060
EMCheckCompatibility: true
Email: [email protected]
FramePoisonBase: 00000000f0de0000
FramePoisonSize: 65536
InstallTime: 1315413340
Notes: AdapterVendorID: 1002, AdapterDeviceID: 95c4, AdapterDriverVersion: 8.872.0.0
D2D? D2D+
DWrite? DWrite+
D3D10 Layers? D3D10 Layers+
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 452
StartupTime: 1316850895
SystemMemoryUsePercentage: 78
Theme: LavaFox_V1-Blue
Throttleable: 1
TotalVirtualMemory: 4294836224
URL: https://support.mozilla.com/en-US/questions/new?product=desktop&category=d2&search=My+firefox+always+opens+a+crash+report+when+I+close+it.+Even+if+I+have+no+tabs+open+and+close+firefox.&showform=1
Vendor: Mozilla
Version: 6.0.2
Winsock_LSP: MSAFD Tcpip [TCP/IP] : 2 : 1 :
MSAFD Tcpip [UDP/IP] : 2 : 2 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [RAW/IP] : 2 : 3 :
MSAFD Tcpip [TCP/IPv6] : 2 : 1 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [UDP/IPv6] : 2 : 2 :
MSAFD Tcpip [RAW/IPv6] : 2 : 3 : %SystemRoot%\system32\mswsock.dll
RSVP TCPv6 Service Provider : 2 : 1 :
RSVP TCP Service Provider : 2 : 1 : %SystemRoot%\system32\mswsock.dll
RSVP UDPv6 Service Provider : 2 : 2 :
RSVP UDP Service Provider : 2 : 2 : %SystemRoot%\system32\mswsock.dll
This report also contains technical information about the state of the application when it crashed.

Have a read of the rather complicated article
* [[firefox crashes]]
* and for anyone with firefox crashing before you can key in about:crashes see: http://kb.mozillazine.org/Breakpad#Location_of_crash_reports
I note you have found bp-54df2ba6-de52-405d-9ccc-4dd272110924 have you any other recent crash signatures or crash IDs, the one you provide seems rather uncommon [https://crash-stats.mozilla.com/report/list?product=Firefox&query_search=signature&query_type=exact&query=karasx2.dll%400x2535&reason_type=contains&date=09%2F24%2F2011%2001%3A44%3A07&range_value=1&range_unit=weeks&hang_type=any&process_type=any&do_query=1&signature=karasx2.dll%400x2535 [karasx2.dll%400x2535]]
Do you still get the problem in [[safe mode]] and with default themes, and all plugins disabled. Note common causes of crashes are malware, and versions of the software IDvault. (do you use IDvault ? - often provided by Comcast)

I copied this from your 5.0 download information: "All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again." When I opened my computer today all my apptabs from yesterday had disappeared. Why?

Your download page for 5.0 stated: All of the App Tabs you have set when you close Firefox will open as App Tabs when you start Firefox again.
I liked the convenience of using App Tabs and was disappointed to find that the ones I had set up yesterday were gone today. Am I doing something wrong?

Works fine for me, I can simulate your problem by improperly closing Firefox.
The correct way would be to close the windows you don't want and then to exit Firefox through the File ("'''Alt+F'''") menu then use '''Exit''' or '''Qui'''t depending on your system.
But '''I can simulate your problem''' by closing the good window with "X" in the upper right-corner first (the one with the app-tabs) and then close the other window by any means.
You restart Firefox and open a window, since you closed without app-tabs there are none so you just see a window with your home page.
Firefox has some things added to Firefox 4 and therefore in Firefox 5.
# "'''Alt+S'''" (Hi'''s'''tory menu)
# "'''Restore Previous Session'''" (that's the window without the app-tabs, but you have to this first)
# "'''Restore Recently Closed Windows'''" -- can choose which window to reopen based on name and the mouse-over tells how many tabs. or you just use "'''Restore All Windows'''" without the guessing.
''I know you are on a Mac, and this affects Windows user more than anybody else, but it does affect other systems besides Windows, occasionally, perhaps more often now with the plugins container.''
The following may not completely eliminate having to terminate Firefox through the Windows Control Panel but it will come very close.
'''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 Firefox 4 and 5 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.
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''' ''choose either extension''
: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.
Both extensions use the same keyboard shortcut "'''Ctrl+Alt+R'''" or a file menu option.
*"'''Restartless Restart'''" extension for Firefox 4.0+ only (2 KB download ) https://addons.mozilla.org/firefox/addon/249342/
*For older versions use "'''QuickRestart'''" extension (34 KB download) ( https://addons.mozilla.org/firefox/addon/3559/

Npviewer.bin (on linux) eats lots of CPU and doesn't even close when firefox is closed.

npviewer.bin (on linux) eats lots of CPU and doesn't even close when firefox is closed.

I've begun having this problem as well. Reviewing the above, I seen no errors that I' making. A few weeks ago, without being aware of an update to Firefox, it began behaving differently than it has for years. I've always had it set to open to an empty tab, now it often opens to the 'Firefox Home Page' (which I've never used)... this despite resetting my opening page to "Show my windows and tabs from last time" (upon troubleshooting the 'home page issue' I found that the opening page had reset to FF Home somehow. I store a lot of pages in tab groups and having them disappear is a major bummer since they're news articles I'm waiting to copy.
Also... I run CCleaner weekly and I know that will erase the group tabs I've stored so before running it I have to store those URL's another way. Does anyone know what I can uncheck in CCleaner to keep those tabs?
Thanks.

Why doesn't firefox close out when I'm done with it and close it; when next I try to open firefox again I get a dialog box telling me firefox is open and to close it or restart my computer? I'm tired of doing that one of more times a day.

1. This happens at least once a day, and sometimes multiple times. Today it's happened twice, thus far. My home page is FoxNews.com and if I leave it up overnight or for longer periods during the day firefox doesn't allow the refresh of the home page it just goes to yahoo 404--error can't find the webpage. Then when I enter FoxNews.com it adds a /error to the url and doesn't allow me to go to MY homepage. So I close firefox and then if I try to reopen it and then I get the dialog box saying firefox is open and to close it or restart my computer. Very aggravating. 2. Also the Adobe flash drive update always fails. 3. Webpages get in loops and fail to load to the point I have to stop and refresh or close out and reopen.

One situation in which Command+w or Ctrl+w might not work is if the "focus" is in a plugin such as the Flash player used on Youtube after you interact with the player controls. Firefox will continue to send the keyboard input to the plugin until you move the focus back to the page. Does that account for any of the problem?

Firefox often crashes when closing tabs

I've noticed that, when I have multiple tabs open in the same window, FireFox has a tendency to crash when I close one of the tabs. This seems to be more likely when the next tab is still loading. This doesn't seem to happen with closing separate FF windows, or if I move a tab to a new window and then close it.
Also, there is usually no option to send a crash report. I just get a Windows pop up that says firefox has stopped working.

-> Tap '''ALT''' key or press '''F10''' to show the Menu Bar
-> Update ALL your Firefox Plug-ins https://www.mozilla.com/en-US/plugincheck/
-> go to View Menu -> Toolbars -> unselect All Unwanted/Incompatible Toolbars
-> go to Tools Menu -> Clear Recent History -> '''Time range to clear: select "EVERYTHING"''' -> click Details (small arrow) button -> place Checkmarks on '''Cookies, Cache''' -> click '''Clear Now'''
-> go to Tools Menu -> Options -> Content -> place Checkmarks on:
1) Block Pop-up windows 2) Load images automatically 3) Enable JavaScript
-> go to Tools Menu -> Options -> Privacy -> History section -> '''Firefox will: select "Remember History"'''
-> go to Tools Menu -> Options -> Security -> place Checkmarks on:
1) Warn me when sites try to install add-ons 2) Block reported attack sites 3) Block reported web forgeries
-> go to Tools Menu -> Options -> Advanced -> General -> Remove Checkmark from '''Warn me when websites try to redirect or reload the page'''
-> go to Tools Menu -> Options -> Advanced -> Network -> Offline Storage (Cache): click '''Clear Now''' button
-> Click OK on Options window -> Restart Firefox
Check and tell if its working.

When I open 2 or more browsers of Firefox, click to open and close email it pops up the First Firefox browser since I have verrsion 6 as of yesterday. And some times the tool bar dosen't appear or have to refresh it.

Question
When I open 2 or more browsers of Firefox, click to open and close email it pops up the First Firefox browser since I have verrsion 6 as of yesterday. And some times the tool bar dosen't appear or have to refresh it.

Question
When I open 2 or more browsers of Firefox, click to open and close email it pops up the First Firefox browser since I have verrsion 6 as of yesterday. And some times the tool bar dosen't appear or have to refresh it.

Firefox.exe*32 not closing down when i sutdown all open windows so I have to close it through taskmanager

firefox.exe*32 not closing down when i sutdown all open windows so I have to close it through taskmanager so I can then start a new session.

See:
*"Hang at exit": http://kb.mozillazine.org/Firefox_hangs
*"Firefox hangs when you quit it": https://support.mozilla.org/kb/Firefox+hangs

Firefox don't close when "browsing and Download History" is deleted on exit

Firefox doesn't close properly in about 50 % of cases. When closing FF, the window closes but the process firefox.exe isn't terminated. When trying to open FF again you got the error message "Firefox is already running, but not responding. To open a new window, you must first close the existing Firefox process, or restart your system." After terminating the process firefox.exe in the windows task manager, FF can be started again.
Error only occurs when under "Options/Privacy/Use custom settings for history" at "Clear History when Firefox closes" the option "Browsing and Download History" is selected.
All other options selected or not don't cause the issue.
I switched this option it several times. When "Browsing and Download History" at "Clear History when Firefox closes" isn't selected, the error doesn't appear.
Reproducible regardless if "Remember my browsing history" and "Remember download history" are selected or not.
Reproducible:
- after new installation of Firefox (Firefox 29.0.1 german, Windows7 64-bit)
- with different profiles, even with all addons disabled or running in safe mode
- with new profile with no addons or dictionaries installed
- with windows firewall turned off and deactivated antivirus program
- with hardware accellaration on and off
I know the issue has already reported at bugzilla.mozilla.org and described at
https://support.mozilla.org/en-US/questions/997918
https://support.mozilla.org/de/questions/997670
I want to describe the problem more precisely:
It only occurs when "Browsing and Download History" is delete on exit. The other option at "Clear History when Firefox closes" don't cause this issue.
Is there any other solution then to turn "Browsing and Download History" off?

From what I have been reading from other posts on this forum, the issue may
be caused by the clear history settings.
Press the '''<Alt>''' or '''<F10>''' key to bring up the tool bar.
Then '''Tools > Options > Privacy'''.
The button next to '''History''', select '''Use Custom Settings'''.
At the bottom of the page, turn on '''Clear History When Firefox Closes.'''
At the far right, press the '''Settings''' button. Turn on ONLY '''Cache''' and
'''Form And Search History''' leaving the others off.
This is not a cure but will make it easier if Firefox locks up.
'''https://support.mozilla.org/questions/997866?esab=a&s=&r=1&as=s''' {web link}

When I start mozilla firefox web browser, sometimes I see a message saying that "a Mozilla Firefox is already running, please close it or restart your program", while I don't have one running at that time. What is the problem?

When I start mozilla firefox web browser, sometimes I see a message saying that "a Mozilla Firefox is already running, please close it or restart your system". As a matter of fact, there is no firefox browser running at that time. Since I cannot do anything about it, I have to restart my computer before I can use the web browser, which bothers me dearly. What is the problem?

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.
''Menus hidden: then use Alt+F then X.''
'''Firefox hangs''' | Troubleshooting | Firefox Support ''(some extensions cause a problem)''
* http://support.mozilla.com/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.
"'''Restartless Restart'''" extension for Firefox 4.0 only (2 KB download )
* https://addons.mozilla.org/firefox/addon/249342/
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.
Uses keyboard shortcut "'''Ctrl+Alt+R'''" or a file menu option.
'''Windows 7''' users can use '''Ctrl+Shift+Esc''' to get to the Windows Task Manager quicker than starting with Ctrl+Alt+Del.

I have a problem closing tabs in Firefox v3.6.13. The first tab on the left hand side (ie the page that opens when I launch Firefox) won't close when I click on the red x.

I can't close the left hand tab except by exiting firefox. When i launch firefox the original tab stays open when I click on the red x, even if I have other tabs open.
i can alter the website displayed on the left hand tab but it still won't close and leave other more recent tabs open.

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

Firefox 3.6.11 often closes when I minimize it

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