Firefox won't open; How can I open it?

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• Firefox won't open a new tab

  Firefox won't open a new tab on my browser - the option is there, but when I press nothing happens? I have checked all of my options, but couldn't find anything wrong?

  Hello, it seems that you run a very outdated version of firefox & old plugins - this is a serious security risk, because there have been dozens of corrected critical vulnerabilities from firefox 3.6 was released (it was more than two years ago).

  You must do the following as soon as possible:

  • Download and install the latest version of firefox from getfirefox.com
  • Check your plugins to https://www.mozilla.org/plugincheck/ & update all those which are obsolete
  • You can also remove all the toolbars you have installed, because they can cause problems. in firefox, go to tools > addons > extensions and uninstall Yahoo! toolbar, motor driven, Radio TV 2.1 Community Toolbar and "Ask Toolbar". then you can launch the searchreset extension to restore the search parameters which leads crushed...
  • do a full scan of your system with your security software

• 29.0.1 Firefox won't open links that require a new tab to be opened.

  29.0.1 Firefox won't open links that require a new tab to be opened.

  What type of links are those?

  As far as I KNOW, there is HTML code specific opening in a new tab, as it is to open a new window. Please enlighten me if this is something new to HTML5 that I haven't read.

  Now, Firefox has a preference in Options > tabs to open new windows in a new tab instead - you have this pref checked?

• Sometimes (often), Firefox won't open on my dock. I click on it several times, but he didn't budge. Any thoughts?

  Sometimes (often), Firefox won't open on my dock. I click on it several times, but he didn't budge. Any thoughts?

  If safe mode does not Firefox start, I recommend a clean reinstall.

• On another PC I want to save my favorites, but my browser Firefox does not work how can I make the backup, before I reinstall Firefox

  On another PC I want to save my favorites, but my browser Firefox does not work how can I make the backup, before I reinstall Firefox.
  Firefox cannot renew its tabs and now won't run and let me do a backup

  This may be considered to be solve my problem.
  I decided to uninstall the rogue program Firefox download and reinstall the same version (No. 8). I used Windows XP Add Remove programs who asked if I wanted to save the settings of Firefox until I uninstalled Firefox. I said yes and operated with the uninstall. I couldn't find a Firefox 8 so I went for the 12 version and installed on the laptop. This version 12 now works with all the passwords one favorite of the uninstalled 8.
  Thank you for all your help and advice.

• I deleted somehow of the toolbar for the Firefox home page. How can I recover it?

  I have somehow deleted the toolbar on my Firefox home page. How can I get it and I hope that my favorites, tools, etc.

  Hello.

  Go to view > toolbars, and select the toolbars you want to display. If you don't see the menu bar, just type ALT on your keyboard. Right anywhere in the toolbar will show you also the menu (no rightclick stuff which can be rightclicked to other functions, like the back menu or tabs).

• waterfox does not open, but my computer says that it is open. Firefox won't open because waterfox is open and 1 single product of firefox can be opened. Help!

  How can I get these 2 browsers POS from my computer?

  See:

  • http://KB.mozillazine.org/Profile_in_use
  • https://support.Mozilla.org/KB/Firefox+is+already+running+but+is+not+responding

  Make sure you use separate profiles for each installed browser (Firefox and Waterfox).

  Create a new profile as a test to see if your profile is the source of the problem.

  See "create a profile":

  • https://support.Mozilla.org/KB/Profile-Manager-create-and-remove-Firefox-profiles
  • http://KB.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues

  If the new profile works then you can transfer files from a profile already used in the new profile, but be careful not to copy files corrupted to avoid transporting more problems.

  • http://KB.mozillazine.org/Transferring_data_to_a_new_profile_-_Firefox

• Snap.do research always starts when I open Firefox... How can I get rid of this annoying research?

  There must be a fix for this... I tried the Reset to no evail. Can I uninstall Firefox and dl again and how can I keep all my settings? I do not have a backup folder old data from Firefox that was created when I reset Firefox... Please I luv Firefox but want to get rid of this snap.do... ITI has been blocked by Norton and uninstall everything to do with snap.do... Help, please... Thank you

  To change the default search engine or the order of the search engines in the upper search box right in Firefox, please do the following:

  1. Move the mouse cursor inside the search box in top right of the Firefox window and click on the arrow next to the logo of the supplier.
  2. If you want to select another search engine, simply choose the engine in the drop-down list.

  To change the order of search engines, follow these steps:

  1. In the drop-down list, select Manage search engines....
  2. In the next window, you have all your search engines listed. To change the order, simply click on a search engine, and then select move up or move down from the buttons on the right side to change the order of search engines.

• Firefox won't open the popup or when I do ' file > new window "it does not open it too.

  When I click on a link that opens a pop-up window, firefox does not open it. Ditto for "file > new window.» Then, often after Firefox starts to malfunction and won't open my favorites. I uninstalled and reinstalled firefox, removed all extensions... But this does not solve my problem. can you help me please?
  Excuse me for my mistakes in English, I am a French person and I try to speak English the best I can so that you can solve my problem. Thank you.

  This has happened

  Each time Firefox opened

  == I click on a link that opens a popula

  Your above posted troubleshooting list shows quite a few extensions.
  You have really turned off all the and still had the problem?
  See Troubleshooting extensions and themes and problems of hardware acceleration to resolve common Firefox problems

  What security (firewall) software do you have?
  Some may block pop-ups as well.

• Firefox won't open - taskbar icon looks active but won't display

  Firefox does not open on the screen. The icon in my tray tasks shows a window, but the window does not open the monitor. I can RT. Click the icon and select Refresh, or maximize but no help. I'm under Win10. It also will not open on the screen when you attempt to do safe mode.

  Try to open the system menu via Alt + space to see if this helps to move the window in the view.

  Try to rename (or delete) the file xulstore.json in the Firefox profile folder.

  • C:\Users\ < user > < profile > \AppData\Local\Mozilla\Firefox\Profiles\.

  "AppData" (XP: Application data;) Mac: ~ / library. Linux: ~/.mozilla) is a hidden folder.

  • http://KB.mozillazine.org/Show_hidden_files_and_folders

• Firefox won't open the shockwave flash files because there are 2 types?

  Firefox does not open some swf files when I say that this is the cause. However, http://edmullen.net/test/poopboy.swf works fine.

  I looked in my Options-> Applications menu and found this http://i.imgur.com/kPVOHdE.png

  So it has got 2 different types of SWFs to meet him. I can't tell the top affliate background is the same way.

  I tried to uninstall the plugin. This removed the bottom and meant that the poopboy.swf I also linked didn't work in the same way, however, put it back, I was just back to the drawing board.

  I want to add that these particular .swf files that I'm running worked yesterday so file corruption is not the problem, especially since I went and all the redownloaded.

  These two SWF entries are on different MIME types that first one appears to be damaged or at least unusual. and probably the second (application/x-shockwave-flash) should be there.

  You can rename (or delete) the file mimeTypes.rdf in the profile folder of Firefox to reset all the actions file.

  • http://KB.mozillazine.org/mimetypes.RDF
  • http://KB.mozillazine.org/File_types_and_download_actions#Resetting_download_actions

• Firefox won't open with the latest version of the report of Trusteer installed deleted same and problem solved.

  I have 24 installed Firefox and the latest report of Trusteer endpoint protection software. Trusteer made it clear that it supported Firefox 24. However, once installed Firefox refuses to open. About Trusteer software uninstalling the problem has been resolved.

  You can try to contact support Trusteer.

  • http://www.Trusteer.com/support/report-problem
  • http://www.Trusteer.com/support/submit-ticket

  Mac: Preferences-> other->-> stop report report

• Wil Firefox won't open a new tab neigther with + or Ctrl + T

  Wil Firefox does not open a new tab and more (manually).
  Not with the + on the site tab
  nor with Bestand - new tab or Ctrl + T

  Uninstall the Ask Toolbar to Ask solves the problem created by their toolbar.

  • http://support.Mozilla.com/en-us/KB/uninstalling+Add-ons
  • http://support.Mozilla.com/en-us/KB/cannot%20uninstall%20an%20add-on

• Today, January 23, I have download firefox 17.0. How can I get?

  I did the automatic update of the version 17.0 to 18.1.
  My Bank, Banco do Brasil, who informed me on the phone that the 18.0.1 version is a beta version (SIC), and if I want to access my bank account there, I come to version 17.
  How can I download and install an earlier version of Firefox?

  No, your bank is false. Firefox 18.0.1 is NOT a beta version and you should be able to use the software of Bank with it. Downgrading to an older version of Firefox is not possible that it leaves you open to several known security vulnerabilities.

• All the files are labeled with 7-zip, nothing won't work, how can I fix this... ?

  Everything on my computer suddenly displays a logo of 7 - Zip and windows won't open all files or programs, including the system restore... ! Nothing on the computer opens and I don't know how I can restore windows to the default settings... Can anyone help... ? Thank you very much...

  Hi Chief coder.

  1. don't you make changes before the show?

  We recommend to start your computer in safe mode and try to restore the computer to an earlier time. To do this, try the following steps.
  Step 1: Start your computer in safe mode
  a. see the description of the options course in Windows XP Startup Mode
  b. in the menu advanced startup options select Safe mode and press on enter.

  Step 2: restore the computer in safe mode
  see How to restore Windows XP to a previous state .
  b. Once you have restored the computer, restart the computer and check the difference.

  Visit our Microsoft answers feedback Forum and let us know what you think.