HELP! Firefox keeps randomly switching windows.

Every time I open a new window link from a current window, the new window will pop up like normal.
But after I click on anything inside the new window, Firefox randomly switches to the previous window and I have to reclick the new window to get it back.
How do I fix this? I don't want it to keep switching back to the old window when I've already opened a new one.
I'm using the latest Firefox build 23.0.1, fresh install with Windows 7 64 bit.

Sounds like a bug in the Flash Player plugin's Protected Mode. Check out the following thread for a further description and known workarounds: [https://support.mozilla.org/en-US/questions/955659 Opening New Windows and Shockwave Flash].

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Why does my Firefox keep randomly crashing?

I run windows 7, 32 bit pro.
I use a website that keeps randomly crashing, about 5x a day.
There seems no obvious reason for it.
AdapterDeviceID: 0x0152
AdapterVendorID: 0x8086
Add-ons: %7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:21.0,langpack-fr%40firefox.mozilla.org:21.0,fr-dicollecte%40dictionaries.addons.mozilla.org:4.11
AvailablePageFile: 4237357056
AvailablePhysicalMemory: 1119350784
AvailableVirtualMemory: 102326272
BuildID: 20130511120803
CrashTime: 1373545591
EMCheckCompatibility: true
FramePoisonBase: 00000000f0de0000
FramePoisonSize: 65536
InstallTime: 1369291992
Notes: AdapterVendorID: 0x8086, AdapterDeviceID: 0x0152, AdapterSubsysID: 05851028, AdapterDriverVersion: 8.15.10.2639
D2D? D2D+ DWrite? DWrite+ D3D10 Layers? D3D10 Layers+
OOMAllocationSize: 65536
ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
ProductName: Firefox
ReleaseChannel: release
SecondsSinceLastCrash: 11167
StartupTime: 1373541073
SystemMemoryUsePercentage: 69
Theme: classic/1.0
Throttleable: 1
TotalVirtualMemory: 2147352576
Vendor: Mozilla
Version: 21.0
Winsock_LSP: MSAFD Tcpip [TCP/IP] : 2 : 1 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [UDP/IP] : 2 : 2 :
MSAFD Tcpip [RAW/IP] : 2 : 3 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [TCP/IPv6] : 2 : 1 :
MSAFD Tcpip [UDP/IPv6] : 2 : 2 : %SystemRoot%\system32\mswsock.dll
MSAFD Tcpip [RAW/IPv6] : 2 : 3 :
RSVP TCPv6 Service Provider : 2 : 1 : %SystemRoot%\system32\mswsock.dll
RSVP TCP Service Provider : 2 : 1 :
RSVP UDPv6 Service Provider : 2 : 2 : %SystemRoot%\system32\mswsock.dll
RSVP UDP Service Provider : 2 : 2 :
MSAFD NetBIOS [\Device\NetBT_Tcpip_{173BCA34-3602-4823-B8A6-9DFA573CE8D5}] SEQPACKET 1 : 2 : 5 : %SystemRoot%\system32\mswsock.dll
MSAFD NetBIOS [\Device\NetBT_Tcpip_{173BCA34-3602-4823-B8A6-9DFA573CE8D5}] DATAGRAM 1 : 2 : 2 :
MSAFD NetBIOS [\Device\NetBT_Tcpip6_{173BCA34-3602-4823-B8A6-9DFA573CE8D5}] SEQPACKET 2 : 2 : 5 : %SystemRoot%\system32\mswsock.dll
MSAFD NetBIOS [\Device\NetBT_Tcpip6_{173BCA34-3602-4823-B8A6-9DFA573CE8D5}] DATAGRAM 2 : 2 : 2 :
MSAFD NetBIOS [\Device\NetBT_Tcpip6_{D3E0696F-D87F-403D-97AC-83228C02310D}] SEQPACKET 0 : 2 : 5 : %SystemRoot%\system32\mswsock.dll
MSAFD NetBIOS [\Device\NetBT_Tcpip6_{D3E0696F-D87F-403D-97AC-83228C02310D}] DATAGRAM 0 : 2 : 2 :
This report also contains technical information about the state of the application when it crashed.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
 To Enable SafeMode 
*You can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* Or open the Help menu and click on the '''Restart with Add-ons Disabled...''' menu item while Firefox is running.
*''Once you get the pop-up, just select "'Start in Safe Mode"''
If it works in Safe Mode and in normal mode with all extensions (Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: "Firefox > Quit Firefox"; Linux: "Firefox/File > Quit")
* https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
Create a new profile as a test to check if your current profile is causing the problems.
See "Creating a profile":
*https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
*http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
Profile Backup and Restore
*http://kb.mozillazine.org/Profile_backup
*https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles
*http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

Why does Firefox keep opening new Windows rather than a new Tab in the current window?

I have " Open a new Tab in the current Window" select in Preferences.
Why then does this version (Version 4) keep opening new Windows, rather than new Tabs in the current Window.
This feature worked fine in 3.6.1.3, but in Version 4, it is a frigging pain in the rigging!
C'mon, Mozilla - time for an URGENT update ...

That issue can be caused by an extension that isn't working properly.
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes
Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode

When I want to mail a web-page or link firefox keeps opening new windows and cannot be stopped.

My laptop is a Samsung R730 (quite happy with it). I use Eudora for e-mailing. If I want to mail a web-page or link and click under 'file'to send it, Firefox starts opening new tabs without stopping up to over a hundred. I have to brutally switch off my lap-top, start agaiu. Restart Firefox which wants to open all the old tabs, click it off quickly. After that I can reopen to normal.

You get that problem if you select the Firefox program to handle a file if you get an "open with" dialog.
*https://support.mozilla.com/kb/Firefox+keeps+opening+many+tabs+or+windows

Firefox keeps opening multiple windows when web link to iTunes clicked.

Running Windows 7, 64 bit. Clicked the "View in iTunes" button on this page, https://itunes.apple.com/gb/app/smartscan-express-fastest/id533516060?mt=8
Link did not open and instead Firefox kept opening another window continuously until there were dozens of windows opening one on top of the other. The only way to stop this was to Shut Down the PC. This has happened on several occasions and it's always when a link to iTunes is concerned.

Sorry, this can happen when Firefox asks how you want to open something that Firefox doesn't know how to open, but you tell Firefox to go ahead and open it. This article describes the various ways to resolve it: [[Firefox repeatedly opens empty tabs or windows after you click on a link]].

Firefox keeps randomly changing Clear History settings to also clear Saved Passwords.

I have "Clear history when Firefox closes" selected but the "Saved Passwords" option is unchecked.
After a couple of days the "Saved Passwords" option becomes automatically selected. I am certain that nobody is manually changing these settings but the change happens nevertheless.
This breaks my Sync and it drives me crazy. Any ideas how to fix this problem?

Start Firefox in [[Safe Mode|Safe Mode]] to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
*Do NOT click the Reset button on the Safe Mode start window.
*https://support.mozilla.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
If you do not keep changes after a restart or otherwise have problems with preferences, see:
*http://kb.mozillazine.org/Preferences_not_saved

Help, Firefox keeps crashing. Firefox version 20.0, how do I fix this?

Hi, I had Firefox version 19.0, and it occurred an error which caused Firefox to crash. I followed the troubleshot steps, and started it up on Safe mode, and I got a message saying "The connection has timed out".
I browsed the forums for a while for solutions, and I started by disabling my add-on apps. This did not solve the problem. I've read here that it could be malware that is causing this problem, but neither malware bytes, Microsoft security, or Norton found the cause, any virus, spyware, or malware. After this I read about certain .dll files that could be causing all sorts of issues, but after searching manually for these files, they did not appear in my computer, such as datamgr.dll, like this it was suggested in a thread a few days ago.
I went ahead and re-installed firefox, same error occurred. Then I opted for trying the 20.0 beta. It did not help either
These are the latest crash reports I have got
bp-ac0bc69a-3cef-4e62-9718-2b3dd213030303/03/201312:39 a.m.
bp-d0523c4d-c04e-463b-986f-1cd55213030303/03/201312:39 a.m.
bp-276d7776-ca65-48f8-ab6c-283fe213030202/03/201312:55 a.m.
bp-6b15839f-0a41-428d-be3d-054e1213030202/03/201312:55 a.m.
bp-6caadd2b-8c47-40fa-babd-165412130301 01/03/201312:56 p.m.
I am not sure what could be causing this, please help.

hello, this crash is related to your graphics hardware & a recent windows update. please start firefox in safemode (by pressing the shift-key while it is launching) & go to ''firefox > options > advanced > general'' & disable hardware acceleration.
for some background on that issue you can also refer to [https://bugzilla.mozilla.org/show_bug.cgi?id=812683 bug #812683]

Why does FireFox keep changing the window when clicking on another program??

I upgraded to FF 8 recently. When I start it and go to, say, Gmail (in window A) then open another browser window (window B) to go to, say, Facebook, if I click on another program such as Live Messenger or even a reduced window of another program the window in FF always changes. I.E., I look at window A while B is open. I click on the message box from Live and the window changes to B. I click on A to get back to that window then click on the Live box again and B pops back up. I can't get it to stay on A no matter how many times I try.

Start Firefox in [[Safe Mode]] to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).
*Don't make any changes on the Safe mode start window.
*https://support.mozilla.com/kb/Safe+Mode
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Firefox keeps crashing in Windows 8

I just purchased a brand new computer with Windows 8 and I start to install all my regular applications including Firefox. However for some reason, most of the time I will launch Firefox and after a few moments it goes into Not Responding and when I get the option to go into Safe Mode or reset, safe mode crashes the same and resetting makes the program refuse to load at all, just sitting there as a background process.

If you have submitted crash reports then please post the IDs of one or more recent crash reports that have a "bp-" prefix:
*bp-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
You can find the IDs of the submitted crash reports on the about:crashes page.
*You can open the about:crashes page via the location bar, like you open a website, or open the crash reports page via "Help > Troubleshooting Information".
See:
*http://kb.mozillazine.org/Mozilla_Crash_Reporter
*https://support.mozilla.org/kb/Mozilla+Crash+Reporter
If you can't open Firefox, see:
*http://kb.mozillazine.org/Mozilla_Crash_Reporter#Location_of_crash_reports
*http://kb.mozillazine.org/Mozilla_Crash_Reporter#Viewing_crash_reports
Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as a test to see if that helps.
Do a malware check with some malware scanning programs on the Windows computer. 
Please 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.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: Home Page: http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked

Firefox keeps resizing my windows

the window shift from large to small all the time at least 2 times per minute

Hello,
'''Try Firefox Safe Mode''' to see if the problem goes away. [[Troubleshoot Firefox issues using Safe Mode|Firefox Safe Mode]] is a troubleshooting mode that turns off some settings, disables most add-ons (extensions and themes).
If Firefox is open, you can restart in Firefox Safe Mode from the Help menu:
*In Firefox 29.0 and above, click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
*In previous Firefox versions, click on the Firefox button at the top left of the Firefox window and click on ''Help'' (or click on ''Help'' in the Menu bar, if you don't have a Firefox button) then click on ''Restart with Add-ons Disabled''.
If Firefox is not running, you can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, 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 [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]] article to find the cause.
''To exit 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 others with the same problem.

Why does Firefox keep randomly crashing?

For the past couple of days, Firefox will just randomly crash on me when I'm browsing the Internet. There doesn't seem to be any pattern to the crashes. It may happen if I'm on Facebook or watching a YouTube clip. It can happen if I've been on Firefox for 2 hours or 20 minutes, though lately they seem to be happening sooner. Sometimes I'll get the "Firefox has stopped working" dialogue box, but most of the times it just shows loads the Mozilla Crash Report. I was able to get problem details the last time I got the "stopped working" dialogue box:
Problem signature:
Problem Event Name: APPCRASH
Application Name: firefox.exe
Application Version: 24.0.0.5001
Application Timestamp: 522fd29f
Fault Module Name: RPCRT4.dll
Fault Module Version: 6.1.7601.18205
Fault Module Timestamp: 51db9710
Exception Code: c0020043
Exception Offset: 0005cf69
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033
Additional Information 1: f69e
Additional Information 2: f69e60c920b901ae1c3125ca811aee8f
Additional Information 3: f69e
Additional Information 4: f69e60c920b901ae1c3125ca811aee8f
Unfortunately, I don't really know how to read that information and I don't actually know if it is useful. It's all very frustrating because there doesn't seem to be any reason for these crashes. They just happen. Any help in fixing this problem would be greatly appreciated.

I should add, I've re-downloaded Firefox, but that doesn't look like it has helped any. Still get seemingly inexplicable crashes.

Firefox keeps crashing in Windows 8.1

I got my new HP Envy laptop in December 2013, and ever since, I've had repeated crashes, more than 5 times a week, sometimes twice in a day. What information do you need from me to diagnose why this is happening?

If you have submitted crash reports then please post the IDs of one or more recent crash reports that have a "bp-" prefix:
*bp-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
You can find the IDs of the submitted crash reports on the about:crashes page.
*You can open the about:crashes page via the location bar, like you open a website, or open the crash reports page via "Help > Troubleshooting Information".
See:
*http://kb.mozillazine.org/Mozilla_Crash_Reporter
*https://support.mozilla.org/kb/Mozilla+Crash+Reporter
See also:
*http://kb.mozillazine.org/Firefox_crashes
*https://support.mozilla.org/kb/Firefox+crashes

Firefox keeps randomly shutting down

Recently, I got a new laptop: windows 8. I downloaded firefox because that's the browser I'm accustomed to and I've never had any problem with it before. But now for some reason, I'll be scrolling through the internet, either doing something or doing nothing at all. I could be watching a video or reading an article it doesn't matter. But my browser will just shut down, as if I just clicked the X in the top right corner...but I didn't. There's no hang up. It just shuts down. And then I have to re-open the browser and that alert comes up saying that something happened and it wants to restart the tabs I had open. I've tried everything suggested on the crash suggestion page and nothing has worked. I've reinstalled firefox twice and nothing worked. This is just really annoying, I've lost important work done on the internet. Can someone please fix it?

Do a malware check with several malware scanning programs on the Windows computer.
Please scan with all programs because each program detects different malware.
All these programs have free versions.
Make sure that you update each program to get the latest version of their databases before doing a scan.
*Malwarebytes' Anti-Malware: http://www.malwarebytes.org/mbam.php
*AdwCleaner: http://www.bleepingcomputer.com/download/adwcleaner/ http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
*SuperAntispyware: http://www.superantispyware.com/
*Microsoft Safety Scanner: http://www.microsoft.com/security/scanner/en-us/default.aspx
*Windows Defender: http://windows.microsoft.com/en-us/windows/using-defender
*Spybot Search & Destroy: http://www.safer-networking.org/en/index.html
*Kasperky Free Security Scan: http://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
*Anti-rootkit utility TDSSKiller: http://support.kaspersky.com/5350?el=88446
See also:
*"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked
*https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware

Firefox keeps crashing! Windows 7, ff 19.0

Here are my latest crash reports:
bp-725f6e52-d7cc-4e98-a6c9-030d22130225 2/24/2013 7:32 PM
bp-c8b8581f-8806-432f-b1e0-9b4fc2130225 2/24/2013 7:31 PM
bp-082e2cf1-f6f2-4855-b0cf-38e7e2130225 2/24/2013 7:29 PM
bp-fe7299f9-f942-480e-8bb5-bebca2130225 2/24/2013 7:19 PM
bp-f7994f44-4331-4989-902d-dc6ff2130225 2/24/2013 4:43 PM
Help! And, thanks in advance!

hello, this crash is related to your graphics hardware - please try [[Upgrade your graphics drivers to use hardware acceleration and WebGL|updating your graphics drivers]], or in case this doesn't solve the issue or there is no new version available at the moment, disable hardware acceleration in ''firefox > options > advanced > general''.

Why does firefox keep allowing popup windows for Local Yellowbook Pages by Yellowbook even tho I have popups disabled on my computer?

this pop up comes up any old time, not when i'm clicking another link or anything - i can just be reading a page, or be on facebook, anything, and it comes up and suggests something out of the blue, like "search for your local state college doctors on yellowbook". (example: here is a URL it just brought up in a popup while i was just reading facebook: http://ypeek.yellowbook.com/yellow-pages/?what=doctors&where=state+college%2C+pa)
I definitely did NOT download anything from Yellowbook and in fact NEVER use it, so that makes this very strange. Also, my brother-in-law (a computer programmer) ran software checks on my computer and cleaned everything up, and there were no viruses, etc. but this still happens.
can you help or advise? thank you!

this pop up comes up any old time, not when i'm clicking another link or anything - i can just be reading a page, or be on facebook, anything, and it comes up and suggests something out of the blue, like "search for your local state college doctors on yellowbook". (example: here is a URL it just brought up in a popup while i was just reading facebook: http://ypeek.yellowbook.com/yellow-pages/?what=doctors&where=state+college%2C+pa)
I definitely did NOT download anything from Yellowbook and in fact NEVER use it, so that makes this very strange. Also, my brother-in-law (a computer programmer) ran software checks on my computer and cleaned everything up, and there were no viruses, etc. but this still happens.
can you help or advise? thank you!

HELP! Firefox keeps randomly switching windows.

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