Java plugin prevents opening of multiple Firefox windows

been having this problem intermittently. Have Java 6 update 22. Using Windows 7 Enterprise. To open multiple Firefox windows I have to disable Javascript. This works sometimes and does not at other times. But when it does not work, turning off "Enable Javascript" in options makes it work. Using Firefox 3.6.12

You are talking about two different types of code. See these KB articles. 
http://kb.mozillazine.org/JavaScript_is_not_Java
http://kb.mozillazine.org/Java 
http://kb.mozillazine.org/JavaScript
Your problem involves an extension related to this: '''''suricattagmap''''' 
Disable that extension, and if you can't relate that name to one of your installed extensions, see this: 
[http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes]

Similar Messages

In 4.0.1, if I have multiple firefox windows open, when I try to close one window, it closes all. Why can't I close just one window at a time?

I open multiple Firefox windows so that I can quickly Alt+Tab between windows instead of using my mouse to point to tabs. When I close one of my Firefox windows, the browser closes all my windows. What happen to the "Close" feature under the File tab? Why don't I have the option to close only one window at a time?

I don't understand what happened above, but ericn1, wasn't your problem that you tried to close one browser window using the red X, and ALL of them closed? How did any of the above help you solve your problem? jscher2000 gave you alternate methods of closing windows but said that closing a window with the red X "should" work. It doesn't work, because it is closing ALL your windows, not just the one you are clicking on. I am now having the same problem. with Firefox.
Understand I do not have the problem with any other program. In other words, I can open multiple windows in Paint Shop Pro, IE, Notepad, etc. and close one with the red X and all others remain open. It ONLY happens when using the Firefox browser.
The red X should close only the window that you are in when you click on it.
NOW, before someone suggests tabs, I don't like them and don't use them. My choice. Before someone says my browser is out-of-date, (3.6.13) I am using it because it was the last version that worked reliably on my computers, both at home (Windows 7 Professional) and my office (Windows XP Professional).
When I updated to the last Firefox browser, both computers started seizing up (nothing worked and had to reboot using power button) Removing that version of Firefox and going back to this version solved that problem. Fact remains, version has little to do with this problem. I've seen other posts around the net about this with different (newer) versions of Firefox.
So . . . does anyone have a solution to this that doesn't involve using keystrokes or hot keys to close windows instead of the red X that should work properly?

Cannot open multiple firefox windows

The problem is I cannot open multiple firefox windows at 1 time. It keeps saying that firefox is running or it just spins on the 2nd time that we press on the firefox icon every time I do this. Can you please come up with a solution. Yes we can open up multiple tabs but cannot get more than 1 session running at a time.
Is there a fix for this?

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.

Suddenly I can open only one Firefox window at a time. I can have multiple tabs in that window, but I can suddenly no longer open another window. What happened?

Suddenly I can open only one Firefox window at a time. I can have multiple tabs in that window, but I can suddenly no longer open another window. What happened?

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.org/kb/Safe+Mode
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes

Firefox does not open a new tab when you click the plus sign button which is actually a shortcut for opening a new tab. You have to open a new firefox window in order to get a new tab. Please help. Thanks.

I didn't have this problem before with Firefox. My kids must have pressed something or clicked on something that's the open new tab button does not function anymore. No matter how you click it, it doesn't open a new tab. Even if you click on file, then go to new tab, it still doesn't open a new tab. You have to open a new firefox window in order to do multiple browsing.
Hope you can help resolve this problem.
Sincerely,
Ems Guillarte

Uninstall the Ask toolbar and it should work again. There is a compatibility issue with the Ask toolbar and Firefox that prevents new tabs from being opened. Checking your list of add-ons, the MyPlayCity toolbar is a version of the Ask toolbar.
There are a couple of places to check for the Ask toolbar:
* Check the Windows Control panel for the Ask Toolbar - http://about.ask.com/apn/toolbar/docs/default/faq/en/ff/index.html#na4
* Also check your list of extensions, you may be able to uninstall it from there - https://support.mozilla.com/kb/Uninstalling+add-ons

Which uses more resources,multiple firefox tabs or multiple firefox windows ?

which uses more computer resources, multiple firefox tabs or multiple firefox windows ?

Each window needs their own resources to create and build that window, so opening extra windows takes more memory.
You can see the current memory usage on the about:memory page.

When I click on the - fire fox disappears from the task bar; it is still open but gone from the task bar, if I click on any icon it opens a new Firefox window, I end up with several windows open but none on the task bar.

Question
When I click on the - to minimize fire fox, it does not close the window but the firefox icon disappears from the task bar; it is still open but gone from the task bar, if I click on any other icon it opens a new Firefox window, I end up with several windows open but none on the task bar.

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. 
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: Home Page: http://www.microsoft.com/windows/products/winfamily/defender/default.mspx
*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

Every time I open a new Firefox window a dowload dialog box opens

Every time I open a new Firefox window, a download dialog box opens with the last youtube .flv file that I converted to an mp3 from www.flv2mp3.com and the box offers the options to open it or save it. I have to click cancel it every time (or try opening it or saving it) to make it to go away. If I open a new tab or new window while I still have the original window open, it doesn't do it. Is this a glitch in Download Helper or did I get a never ending script from flv.com, or what?

You can check the target line in the Firefox desktop shortcut (right-click: Properties) to make sure that nothing is appended after the path to the Firefox program.
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

I cannot open a 2nd firefox window

I cannot open a 2nd firefox window. And if I close firefox, I cannot not restart unless I go to the task manager and close it there too

See "Hang at exit":
* http://kb.mozillazine.org/Firefox_hangs
* [[Firefox hangs]]

Unable to open a second firefox window if i have already a firefox window running

I'm unable to open a new firefox window if i have one already running. Previously this action was allowed. so i would like to ask if this action has been disallowed after the update ?

You have a corrupted Firefox 3.6.12 user agent (Firefox/2.0.0.14):
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.12) Gecko/20101026 Firefox/2.0.0.14
See * http://kb.mozillazine.org/Resetting_your_useragent_string_to_its_compiled-in_default
Check the general.useragent prefs on the about:config page.
You can open the about:config page via the location bar, just like you open a website.
Filter: general.useragent
If any general.useragent prefs are bold (user set) then right-click that pref and choose Reset.
Are you starting Firefox with the -no-remote command line switch?
Make sure that you do not start Firefox with the -no-remote switch or have set the environment variable MOZ_NO_REMOTE=1 (Control Panel > System > Advanced > Environment variables).
http://kb.mozillazine.org/Opening_a_new_instance_of_Firefox_with_another_profile

[Solved] When I open multiple Firefox windows an orange pull down tab appears and I cannot exit from any single window. I have to exit all of the Firefox windows to close one.

I like to open several Firefox windows when I am browsing the internet. Since mi reinstall of windows XP with sp3 I installed Firefox 5.0.1. Now when I open multiple windows they kind of window in a window and I get this orange pull down menu. I can no longer close any one single window. I click the lower of the two top right X's to close the window and all the tabs in that window, but nothing happens. I also don't like the look and feel of the orange pull down menu

Start Firefox in [[Safe Mode]] to check if one of the extensions 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
In Firefox 4 and later [http://kb.mozillazine.org/Safe_mode Safe mode] disables extensions and disables hardware acceleration.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
If disabling hardware acceleration works then check if there is an update available for your graphics display driver.
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Ubuntu 10.11 through 10.04. Installed Flash-Aid 2.2.1. If multiple Firefox windows open any attempt to shut a one window, extinguish all windows. But they stay in the background to work invisible.

''After installed ubuntu 10.11 through 10.04, whenever you try to close a window of Firefox, they close all that were open, but only become invisible and continue to work somewhere in the background. If you see a pop-up as the new window and if I want to close it on an simple button "X" then they are all close.
After killing over Terminal and restarts a firefox window, re-engage all windows that have been worked in the background but they are now visible. And again it is impossible to kill only one windows. Help !!!!!!!!

In case anyone reads this, I managed to burn my CD by changing the speed of the burn in iTunes. It was set on Maximum possible and I noticed from the CD Diagnostic report (see previous article) that the speed of the drive was listed as 16, but the burn had failed at 24x, so I reduced it to 12 to be safe, and it worked. It plays okay in the car but I have noticed that when I restart the player, it doesn't seem to recognise the CD and ejects it so that I have to push it back in, and it then starts at track 1 again. Not sure if this is to do with the way it was burned, but at least its playing the tracks!
Mal
AMD Athlon XP 2000+ Windows XP Pro

I want multiple Firefox windows open w/different View settings - toolbars displayed in one, not in other. With the new version, I can no longer do that ?

I want to remove the toolbars in one open instance of Firefox but not in others.......this was possible in the prior version. Now if I change the settings in one instance, it automatically changes in the other open Firefox windows. How I can I make this work as it did before the upgrade? Thanks, Kris

Thanks a million! It was not intuitive to "swipe" the open applications up but it works perfectly!!
Thank you
shafferd

As of 2/19/12 I could open two independent firefox windows and they did not share cookies. As of now (2/23/12) if I open two independent firefox windows they do share cookies. How do I get them to stop sharing cookies?

When google decided to change their privacy and sharing policies I started using two different windows to do all internet browsing and work. I would open my gmail in one window and then do everything else in another window so that google couldn't tie my searches and other internet activity together with my google accounts.
This process was working well for me until about three days ago, when all of a sudden my two Firefox windows started sharing cookies. I know for a fact they had not been sharing cookies previously because I personally go in and clear them after I visit certain websites.
From my research on this issue it seems that in the past this was the default way all firefox windows operated (sharing cookies with one another), so I don't know why I managed to get several weeks of not sharing cookies and suddenly they are sharing. But I just want to go back to the way it was just this weekend. Please help or I'll be forced to use IE and that would be sad.

Firefox stores cookies on a per site basis.
I am guessing that what you are seeing is that Google is sharing cookies across its own sites.
It is possible (an advanced subject not normally covered in this forum) to open multiple instances of Firefox with separate profiles, and thus separate cookies. A more normal method of achieving that is to use a separate user OS account. Or possibly to use firefox portable.
I have not myself followed news of Googles cookies policies, but I see it is in the news again http://www.theregister.co.uk/2012/02/22/ico_enquires_about_google_system_for_serving_third_party_cookies/

Clicking the scroll wheel does not open a new firefox window

I'm running Windows 7 x64 SP1. I use the scroll wheel to click items in the task bar to open another instance of those items. Eg I scroll-click a Firefox or Excel or Explorer or whatever item in the taskbar, and it opens another instance of that program. I use this feature to open a new instance of FireFox rather than switching to the FF window, then using control-n to open a new window.
I just upgraded to FireFox 6 from FF4.x. Since doing so, scroll-clicking the FF item in the taskbar does not open a new FF window. It does, well, nothing.
I installed FF6 on a clean Win7 x86 (RTM) build in a VM. When I use the scroll-click feature in the taskbar, it works as expected: it opens a new FF window.
Things I have tried: A different mouse; updating video drivers (I doubted this would make a difference, but it needed to be done anyway, so I thought I'd mention it); running FF in safe mode (ie with all plugins etc disabled).
I'm doing a little experimentation right now with respect to x86/x64, RTM/SP1, clean FF6/upgrade from 4.x and other differences that might highlight why it works as expected in my VM but not on my physical machine.
I'm curious to know if anyone else has experienced this problem since upgrading to FF6.
Max

Respectfully, that answer isn't particularly helpful. I have already demonstrated that middle-clicking (mouse wheel click) will open a new instance of FF, and other programs. This was true before the upgrade from FF4 to FF6, and is true on all my VM builds (Windows 7 default install with nothing but FF installed).
Nevertheless, I've tried shift-left-click, and it does not open a new instance. It will only open a new instance if I pin FF to the taskbar, which I have already stated I do not want to do. This new behaviour is unique to FF. Other applications (Word, Excel, Internet Explorer, whatever) all behave as expected. It is only Firefox that is misbehaving, and it is only misbehaving since the upgrade.
My issue is that FF has changed its behaviour with respect to middle-clicking since upgrading from 4 to 6. I'd welcome helpful comments about getting FF to behave.
Max

Java plugin prevents opening of multiple Firefox windows

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