With a window holding several tabs, why does FireFox hang

I have several tabs open in a window. After a period of time, the window hangs and none of the sites in the tabs respond. I can't close the window and must force quit FF to continue. If I have another window open, the other window remains responsive, but I have to quit FF to resume work on the sites in the hung window.

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
*https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

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Why does Firefox hang when accessing SSL content on Oracle 10.3.6 WebLogic with JSSE enabled?

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Hi,
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Why does firefox hang up and say it "got confused", when I try to switch from using facebook as myself to using facebook as a page I manage?

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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
If it does work in Safe-mode then disable all extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
* Use "Disable all add-ons" on the [[Safe mode]] start window to disable all extensions.
* Close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")
In Firefox 4 you can use one of these to start in [[Safe mode]]:
* Help > Restart with Add-ons Disabled
* Hold down the Shift key while double clicking the Firefox desktop shortcut (Windows)
* https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes

Why does Firefox hang when I try to open yahoo? It also hangs after I use it for a little bit.

When I try to open yahoo Firefox will hang and when I try to restart it will close but stay running. It seems to have started when yahoo went to the new version.I reset my screen resolution to 1152 by 864 pixels like yahoo said no difference. Firefox will also hang if I go to several web sites with out going to yahoo. I changed my home page to Hotmail instead of yahoo and it will open just fine. Any help will be appreciated. Rodney. [email protected]

Please see the following articles [[Firefox Hangs]] and [[Firefox Crashes]]

Why does firefox hang or not respond when I am using disable third party cookies setting

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The problem is that "third party" includes both related servers and advertising networks; the setting is too crude to accomplish the objective of blocking tracking cookies that you don't want.
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Why does Firefox hang after a few minutes connected using ATT on a USB antennae, but IE continues to stay connected??

I've used a USB interface to connect to the internet for several years without a problem. Last month our Alltel account was sold to ATT. They sent us a new USB device, and it works for about 5 minutes, but then Firefox will just hang, and not reload the page, or any page, until we disconnect and then reconnect. On a whim I tried connecting using IE when I was locked up on Firefox, and the connection worked fine. Until then I was blaming ATT, but now I think it is a Firefox issue.

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It depends on the size of the attachment and the speed of your internet connection.
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== This happened ==
A few times a week
== don't know...

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[[Firefox does not ask to save tabs and windows on exit]]

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why does firefox 4 hang in some websites, during browsing on that site ? This never happened with previous editions. edit
Details

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]]
Create a new profile as a test to check if your current profile is causing the problems. 
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If that new profile works then you can transfer some files from the old profile to that new profile (be careful not to copy corrupted files)
See http://kb.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

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Is this a codec issue with-in Flash Player?
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You can use Themes or Personas to change the display of Firefox browser.
* https://addons.mozilla.org/en-US/firefox/themes/
* https://addons.mozilla.org/en-US/firefox/personas/
You can Middle-click a link using Mouse or use '''CTRL + Left-click''' shortkeys to open a link in a New Tab. See these articles:
* [[Mouse shortcuts]]
* [[Keyboard shortcuts]]
Check and tell if its working.
Not related to your problem but some of your Firefox Plugins are out-dated, so you need to Update them.
-> Update All your Firefox Plugins by visiting the following link:
* http://www.mozilla.com/en-US/plugincheck/
* '''When Downloading Plugins setup files, Remove Checkmark from Downloading other Optional Softwares with your Plugins (e.g. Toolbars, McAfee, etc.)'''

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Hi,
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With a window holding several tabs, why does FireFox hang

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