After the upgrade to Firefox 7, sites regularly take a very long time to load.

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• After the upgrade to FireFox 30, we can access is no longer internal websites. He gives us 401 - non authorized: access denied due to credentials not valid.

  What is happening on our internal websites used to ask for a window to enter your credentials. This is not is no longer the case.

  It comes immediately gives us a

  401-Unauthorized: access is denied due to credentials not valid.
  You don't have permission to view this directory or page using the credentials you supplied.

  Hello, this is perhaps due to the deactivation of some insecure authentication protocols in firefox 30: https://www.mozilla.org/en-US/firefox/30.0/releasenotes/#whatsnew

  You can try to enter Subject: config in the address bar of firefox (confirmed the message information where it appears) and search for the preference named network.negotiate - auth.allow - insecurity-ntlm-v1. Double-click it and change its value to true.

• After the upgrade to Firefox 6.0.2 first flash content was not displayed, but now the plugin does not load. Firefox plugin check says Flash is obsolete, but I just downloaded it from the Web site.

  After the upgrade to Firefox 6.0.2 first flash content was not displayed, but now the plugin does not load. Firefox plugin check says Flash is obsolete, but I just downloaded it from the Web site.
  Mac OS X 10.7.1
  Firefox 6.0.2
  Flash 10.3.183.7

  The current versions of Firefox are 64-bit on OS X, if you need a 64-bit version of Flash with Firefox 6.0.x or you must start Firefox as a 32-bit application to be able to use a 32-bit version of a plugin.

  1. Closing of Firefox
  2. Launch the Finder and open the Applications folder
  3. Make a right click or Ctrl-click the icon of Firefox.app
  4. Select "Get Info."
  5. Select or deselect the option "open in 32-bit mode".
  6. Close window "Firefox Info"
  7. Restart Firefox

• After the upgrade to Firefox 30, I was faced with a large number of irregularities in Mozilla Firefox 30.0

  After the upgrade to Firefox 30, on the site of Mozilla Firefox, it says that my browser is obsolete. Attachments in Gmail to "Composer Mail" button does not work. The Google search look-and-feel is that of when he was a few years before. Many modules such as "Sidebar goal" for the FIFA WC 14 says that it is not compatible with the browser.

  Firefox 29 seemed to work very well, but not this!

  See https://support.mozilla.org/en-US/kb/websites-say-firefox-outdated-or-incompatible

• After the upgrade to Firefox 36.0.4, it automatically installed noscript

  After the upgrade to Firefox 36.0.4, it removes all my existing extension of the add-on.
  In addition, 'noscript' has been installed automatically, and there is no way to remove it.
  The add-on "noscript" does not appear in one of the extension add-on for me disable/remove it.

  I tried to add some of the add-on noscript for the module additional noscript will appear in the
  Firefox extension page so that I could remove it, but does not remove the
  original NoScript that comes with Firefox 36.0.4

  If all goes well, there is a way for the user to remove this and is not part of Firefox 36.0.4.
  At least allow the user the options of its use, or delete it.

  Do a clean reinstall and delete the program folder before Firefox to (re) install a new copy of the current version of Firefox.

  • Download the full Firefox installation program and save the file to the desktop
    https://www.Mozilla.org/en-us/Firefox/all/

  If possible to uninstall your current version of Firefox to clean the Windows registry and settings in the security software.

  • Do NOT remove the "personal data" when you uninstall your current version of Firefox, because this will remove all profile folders and you lose personal data such as bookmarks and passwords including data profiles created by other versions of Firefox.

  Delete the program folder Firefox before installing newly downloaded copy of the Firefox installer.

  • (32-bit Windows) "C:\Program Files\Mozilla Firefox\"
  • (Windows 64 bit) "C:\Program Files (x 86) \Mozilla.
  • It is important to remove the Firefox program folder to delete all the files and make sure that there is no problem with the files that were the remains after uninstallation.
  • http://KB.mozillazine.org/Uninstalling_Firefox

  Your bookmarks and other personal data are stored in the Firefox profile folder and will not be affected by a uninstall and (re) install, but do NOT delete personal data when you uninstall Firefox which removes all Firefox profile folders and you lose your data.

  If you keep problems also create a new profile.

  • http://KB.mozillazine.org/Profile_folder_-_Firefox
  • http://KB.mozillazine.org/Profile_backup
  • http://KB.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

• After the upgrade to Firefox 34.0.5, app opens but there is no indication in the browser window, i.e. no URL opens, and there is no message error, but Safari OSX 10.9.5 misfortune

  After the upgrade to Firefox 34.0.5, app opens but there is no indication in the browser window, i.e. no URL opens, and there is no error message.

  Safari (OSX 10.9.5) works.

  I tried the firewall solution, but it does not work.

  Previous version of Firefox work very well. I tried the version installation 34 twice and the computer restart.

  Yoono is a free software that allows you to connect and share with all your social networks and instant messaging in one place services
  www.Yoono.com

  It was very good work. Play well.
  Please mark your last post as solved so other will know.

• After the upgrade to Firefox version 29, the browser crashes every 30-45 seconds, about 15 seconds.

  After the upgrade to Firefox version 29, the browser crashes every 30-45 seconds, about 15 seconds. [Windows Vista]

  Sometimes a problem with Firefox can be a result of malware installed on your computer, you may not be aware of.

  You can try these free programs to search for malicious software that work with your existing anti-virus software:

  • Microsoft safety scanner
  • MalwareBytes' Anti-Malware
  • TDSSKiller - AntiRootkit utility
  • Hitman Pro
  • ESET Online Scanner

  Microsoft Security Essentials is a good permanent antivirus for Windows 7/Vista/XP, if you do not already have one.

  More information can be found in the article troubleshooting Firefox problems caused by malware .

  This solve your problems? Please report to us!

• After the upgrade to Firefox 4.0, I returned to Firefox 3.6 because plug-ins, such as Media Player, would not work just with 4.0. They now work with 4.0.1?

  After the upgrade to Firefox 4.0, I returned to Firefox 3.6 because plug-ins, such as Media Player, would not work just with 4.0. They now work with 4.0.1?

  I used WMP plugin with Firefox 4 since its release.

  The problem is probably because she couldn't find the WMP plugin. One way around this problem is to install the HTML5 Extension for Windows Media Player Firefox plugin available from http://www.interoperabilitybridges.com/html5-extension-for-wmp-plugin

  This add-on will do 2 things, it will install the WMP plugin in a place that can find Firefox 4, it will also add an extension to add additional functionality for use by Windows Media Player. This extension has been reported as causing memory leaks, so I recommend that once you install the HTML5 Extension for Windows Media Player Firefox plugin, you must restart Firefox then uninstall the extension. The extension uninstaller will not remove the plugin, Firefox 4 will still be able to use it.

• After the upgrade to firefox 4 he eliminated the norton toolbar, and when I go on a site indicators let me know if the site is secure are gone.

  before I did the upgrade to firefox 4 it used to be indicators such as green points with hooks or gray points with an exclamation mark let me know if the site is secure. the norton toolbar has been replaced by a yahoo toolbar and the secure site of identity has disappeared. thought I was doing myself a favor of the upgrade, but now I'm not sure. should have left well enough alone and kept what I had.

  Symantec needs update their Firefox Add-ons to make them compatible with Firefox 4. They indicated that, for Norton 360, they plan to release a update of Norton 360 to support Firefox 4 in early may - http://us.norton.com/support/kb/web_view.jsp?wv_type=public_web & docurl = 20100720113635EN & ln = en_US

  I don't know about the time scale for the updates for other Norton products. Waiting for the update by Symantec, if you want to use Norton modules, you will need to downgrade to Firefox 3.6.

  Downgrade to Firefox 3.6 first of all uninstall Firefox 4, but do not select the option 'remove my Firefox personal data '. If you select this option, it will delete your bookmarks, passwords and other user data.

  Then you can install the latest version of Firefox 3.6 available to http://www.mozilla.com/en-US/firefox/all-older.html - it will automatically use your favorite courses, passwords etc.

  I recommend, to avoid possible problems with decommissioning, accessing your profile folder and delete the following files if they exist - extensions.cache, extensions.rdf, extensions.ini, extensions.sqlite and localstore.rdf. Delete these files will force Firefox to rebuild the list of installed extensions, check their compatibility and cancel the toolbar customizations.

  For more information on how to find your profile folder, see https://support.mozilla.com/kb/Profiles

• After the upgrade to Firefox 10, all my Add ons have disappeared. How to reactivate their

  This morning I upgraded to 10 FF of the previous version. It worked well. After start-up the computer mode sleep and by opening the home page of firefox, I was shocked to discover that none of my previous Add ons (extensions) were available, even if it was there earlier after the upgrade.

  I think I solved the problem. I restarted my computer and then restart Mozilla Firefox. When the web page opens, all the add ons that I had previously appeared on the tab bar, with a request to reinstall. After completing all applications and restart firefox, all the addons is back as before and proved to work well. This solved my problem

• After the upgrade to Firefox 9, it seems I've lost the bookmarks on my toolbar section. How can I recover them?

  I chose, unfortunately, to update my Firefox to a newer edition (9) and after the reboot, I noticed that my regular upper toolbar on my homepage (TimeWarner RoadRunner) seemed totally different and is more contained my "bookmarks" tab, where I had stored dozens and dozens of important bookmarks. How can I get that back, or if necessary go to my old version of Firefox and restore my settings previus and features?

  Hi lombardo.

  Looks like the Bookmarks Toolbar - view your Web Favorites at the top of the Firefox window is just hidden. There is an easy solution. Just right-click in the space next to a label. On the shortcut menu that appears, enable the bookmarks toolbar.

  Hope this helps!

• After the upgrade to Firefox 5, I get a message: "Firefox is currently in offline mode and cannot browse the Web." IE 9 connects to the web without problem. Suggestions?

  This began immediately to FF5.0 installation after the upgrade to FF3.6.18. I uninstalled and reinstalled both 3.6.18 FF and FF 5.0: the old version connects to the web without problem, but FF5.0 never does. IE9 is able to connect properly.
  Thinking that my firewall software (McAfee) might get in the way of FF5.0, I uninstalled, but remained the connection problem.

  Check this setting:

  • File > [] work offline

• I get script error java application "too much recursion" and they come in 4. This happened after the upgrade to firefox

  Hello

  I've recently upgraded to firefox 35, after this upgrade, whenever I log on tumblr, I get this "java script application error too much recursion" and they come in 4 (I have to click on each one on top of the other). I am able to connect and do my normal stuff, but whenever I move to another page inside of tumblr, the same java script error appears and I have to click again to make them disappear.
  This seems to happen only on this website (tumblr).

  any help will be appreciated.
  Thank you

  for anyone else having this problem... Fixed it got...
  Xensemble app for tumblrto tumblr users, if the application that is causing the prob ' java script application error too much recursion ".
  Xensemble has finally solved the extension of the application and all what you need to do is to download the fixed xensemble extension on their site.

  Thank you

• After the upgrade to Firefox 12.0 on Ubuntu 10.04.1 LTS, Youtube guest for a plugin installation, but said then there is zero, so what would make Firefox work aga?

  After upgrading to Firefox 12.0 on Ubuntu 10.04.1 LTS, the viewing of videos, such as Youtube has stopped working. By clicking on the "Install Plugin" offered instead, gives the answer "no appropriate plugin was found." By clicking on the "read more...". Manual plugin install"link collects only the answer"we're sorry, but we are unable to find what you are looking for dedicated", of Mozilla.org.

  There is a simple work around this failure to upgrade?
  (Or at least some information about the question to know if a plugin for Linux is available somewhere?)

  You need Flash to play videos on youtube. See the following articles:

  • Install the Flash plugin to display videos, animations and games
  • Clear the Cache and Cookies

  For more information on the Firefox plugins, see this article-> use plugins for playing audio, video, games, etc.

  Check and tell if its working.

• Web pages displayed incorrectly after the upgrade to Firefox 10.0.2

  Many web pages is not correctly displayed after upgrading to Firefox 10.0.2. Also, I'm not able to view YouTube videos. I checked my plug-ins and all are up-to-date, including Adobe Flash Player 11.1.102.62. I have no problem when you use Chrome on the same computer. Also, my laptop on the same network running Firefox 3.6.14 and works well. TIA, carlier

  Hello

  Please also try this: (Alt + T) Tools > clear recent history, choose all in the interval of time to clear the cookies and the Cache in the Details. Recent history of claire