32 Firefox will not start after a download.

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• Firefox will not start after the upgrade to 27. Seen an error message during the upgrade process.

  Firefox will not start after the upgrade to 27. Seen an error message during the upgrade process, but do not remember.
  Tried running firefox.exe Pei but error message:

  XML parsing error: the undefined entity
  Location: chrome://mozapps/content/profile/profileSelection.xul
  Line 18, column 1:
  "< dialog < =" "^ =" "p =" "> < / dialogue >

  Running on Windows XP SP3. No problem whatsoever before moving to 27. Sending of Chrome that I can't open Firefox at all.

  Thank you, jschaer2000. In the meantime, he works. How long, we'll see ;-)

• Firefox will not start after update

  Firefox will not start today. I think he had an update yesterday.
  Click it, lift the loading symbol, but never implemented. In Task Manager it is a firefox.exe * 32 running. Have you tried to uninstall, delete Mozilla Firefox folder in Program Files x 86 iti also tried to suppress the appdata profile (after saving the Favorites and passwords). I can't even boot up in firefox safe mode and can not get to start Profile Manager. If I start (7 x 64) of windows in safe mode, I can start firefox. I use Norton Internet Security. I checked the settings of firewall smart and experienced of firefox is still set to allow. I tried starting firefox with smart firewall turned off and firefox still refuses to start
  Renounce top almost ready

  Hello ziggy1, as this can sometimes be caused by a malware active on a system, please run a scan with tools of different security like the free version of malwarebytes, the adwcleaner and the scan to microsoft security.

  Fix Firefox problems caused by malicious software

• Why firefox will not start after update?

  Update the alert message. Did a hard stop. Rebooted computer and Firefox will not open.

  Maybe during the update some files were corrupted, try a clean reinstall:

  Some Firefox problems can be solved by performing a clean reinstall. This means that you remove Firefox program files, and then reinstall Firefox. Please follow these steps:

  Note: You can print these steps or consult them in another browser.

  1. Download the latest version of Firefox from http://www.mozilla.org office and save the installer to your computer.
  2. Once the download is complete, close all Firefox Windows (click on quit in the file menu or Firefox).
  3. Remove the Firefox installation folder, which is located in one of these locations, by default:
     • Windows:
       • C:\Program Files\Mozilla Firefox
       • C:\Program Files (x 86) \Mozilla Firefox
     • Mac: Delete Firefox in the Applications folder.
     • Linux: If you have installed Firefox with the distribution-based package manager, you must use the same way to uninstall: see Install Firefox on Linux. If you have downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
  4. Now, go ahead and reinstall Firefox:
     1. Double-click on the downloaded Setup file and go through the steps in the installation wizard.
     2. Once the wizard is completed, click to open Firefox directly after clicking the Finish button.

  More information on the resettlement of Firefox can be found here.

  WARNING: Uninstaller or the use of Firefox and not run a third remover as part of this process, because who could permanently delete your Firefox data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and passwords saved. These can be recovered, unless they have been backed up on an external device!

  Also:

  • Firefox in safe mode
  • Reset Firefox
  • Create a new profile

• Firefox will not start after the upgrade to 27. Try each idea online for 4 hours. Nothing has worked. Downgraded to 26

  I have the same problem that
  https://support.Mozilla.org/he/questions/985552#question-reply
  I tried everything I could find online. Uninstall and reinstall. tried even completely uninstall, leaving the data in my profile (I save him in chrome).
  Nothing has worked. the firefox.exe process appears in the Manager of tasks for 3 seconds and disappeared.
  Finally I downgrade to FF26 - an unofficial version on the web and not my locale.
  You must provide an option to download the old versions.
  V27 is too faulty. I'm sorry.
  I'm still using Win XP sp3.

  You said that Kaspersky FF files are and works very well. What is the latest
  update you Kaspersky? Have you scanned for malware? Use several of
  the programs listed below.

  ======================================

  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 most recent upgrade, Firefox will not start

  I've just updated Firefox to the latest version. Firefox does not start now. I get no error message. I navigated to the Mozilla Firefox folder and tried to run to that from this site and that doesn't work anymore.
  Thank you
  Calvin

  I backed up my profile tried to run again without success. It wouldn't create a new profile.
  I completely uninstalled and deleted all the files associated with it. Then clean the registry. Reinstalled and now it works fine.
  Not sure what happened, but it works now.
  Thank you
  Calvin

• Firefox does not start after the computer restarts

  Install Firefox, works great. Restart the computer, Firefox does not start, or finally when it tries to start the script errors occur. If I reinstall Firefox after restart of a computer, it works fine, once again when the computer is stopped at the next startup it is, will not be able to use Firefox. Firefox does not start in Firefox Safe mode, does not start in windows safe mode. Do not add now, nothing has been added, just the Firefox installer played complete the system restore on the computer, same problem. Windows 7 Pro. Remove Firefox from windows control panel, restart your computer, install firefox, will take place. shut down the computer, put on the computer, firefox does not start, or crashes. I am exploring now Web interface.

  I reinstalled Firefox, so it will run in order to perform the steps below.

  Here is the answer which took care of the problem,

  http://KB.mozillazine.org/Browser_will_not_start_up#Problematic_plugin_prevents_browser_from_starting

  "Site Web TrueSuite Log On" plugin (AuthenTec), is the question.

• Updated Firefox to 8.0 but now Firefox will not start? Ideas?

  8.0 - but Firefox downloaded last night he hung "checking addons for compatibility" come far as Firefox does not start or if she start crashes immediately. Have made eligible by Mcaffee firewall. removed re downloaded version 7.0, version 8.0 new and 4.0 None of these work - add seem to hang up, checking the Add-ons. Google Chrome works fine, but how do I get firefox to work - ideas?

  I have the same problem. Firefox 8.0 browser not start after the update or reinstall. I have download the version of firefox 6.0.2 Google site, it works fine now.

• Windows Vista will not start after the automatic installation of the patch Ms.

  My Dell laptop does an automatic installation of the latest MS patches (12/08/10) and now he can't boot into windows.  All tests show that the material is fine, but an error at the end of the "bad update patch" said test results I can not even to go back to a previous restore point.  This happened to me the year last on my desk... same thing, but it's XP which could not start after an automatic update for the Member States.  Dell technical support told me that MS knows what is happening, but it is not supposed to be public knowledge.  I need to know if there is a fix, in addition to erase everything and do a complete reinstallation of the operating system.

  Follow these steps to try to solve your problems of boot.

   

  Restore point:

  http://www.howtogeek.com/HOWTO/Windows-Vista/using-Windows-Vista-system-restore/

  Do Safe Mode system restore, if it is impossible to do in Normal Mode.

  Try typing F8 at startup and in the list of Boot selections, select Mode safe using ARROW top to go there > and then press ENTER.

  Try a restore of the system once, to choose a Restore Point prior to your problem...

  Click Start > programs > Accessories > system tools > system restore > choose another time > next > etc.

  http://www.windowsvistauserguide.com/system_restore.htm

  Read the above for a very good graph shows how backward more than 5 days in the System Restore Points by checking the correct box.

  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

   

  If the system or Mode restore safe work not and you do not have a Microsoft Vista DVD, make a repair disc to do a Startup Repair:

  Download the ISO on the link provided and make a record of repair time it starts.

  Go to your Bios/Setup, or the Boot Menu at startup and change the Boot order to make the DVD/CD drive 1st in the boot order, then reboot with the disk in the drive.

  At the startup/power on you should see at the bottom of the screen either F2 or DELETE, go to Setup/Bios or F12 for the Boot Menu.

  When you have changed that, insert the Bootable disk you did in the drive and reboot.

  http://www.bleepingcomputer.com/tutorials/tutorial148.html

  Link above shows what the process looks like and a manual, it load the repair options.

  NeoSmart containing the content of the Windows Vista DVD 'Recovery Centre', as we refer to him. It cannot be used to install or reinstall Windows Vista, and is just a Windows PE interface to recovering your PC. Technically, we could re-create this installation with downloadable media media freely from Microsoft (namely the Microsoft WAIK, several gigabyte download); but it is pretty darn decent of Microsoft to present Windows users who might not be able to create such a thing on their own.

  Read all the info on the website on how to create and use:

  http://NeoSmart.net/blog/2008/Windows-Vista-recovery-disc-download/

  ISO Burner:http://www.snapfiles.com/get/active-isoburner.html

  It's a very good Vista startup repair disk.

  You can do a system restart tool, system, etc it restore.

  It is NOT a disc of resettlement.

  And the 32-bit is what normally comes on a computer, unless 64-bit.

  See you soon.

  Mick Murphy - Microsoft partner

• My Satellite will not start after installing Vista updates

  My Toshiba satellite laptop does not start after the installation of updates. I get the Toshiba screen, then a screen that gives me two options. Start windows normally or repair windows. I tried both but you just Tousez in circles to the same screen.

  I didn't have any rescue CD or save a Vista CD with my computer

  Can someone help me. Do you have ideas how to run again.

  Thank you very much
  Christine

  Hello Christine

  Can you please tell us which laptop model you have?
  Did you start your laptop with F8?
  What happens when you click Repair option?

  Please give us more information.

• Vista will not start after start or restart.

  Since last week, when I first start the computer, change user or log out or reboot, Vista does not start after the log in password stage (after accepting the password). I usually have to restart the computer twice so he could finally enter the Office of habit and I can work as usual.

  I tried to let the computer some time at this point to work through and start normally, but it does not work and I have to restart.

  I recently updated my anti-virus (BitDefender) for the 2010 edition.

  I don't know if is the recent update to Vista which is originally or not.

  Uninstall Bit Defender and see if that fixes things. Antivirus programs use low-level drivers which can sometimes cause problems. If the uninstallation of Bit Defender work, use a different antivirus. I recommend ESET NOD32 (commercial) or Avast free. If Bit Defender Uninstalling does not help, then you may experience hardware problems. Failing power supply or hard drive that often produces symptoms such as you describe. MS - MVP - Elephant Boy computers - don't panic!

• After downloading and installing an update of safety about an hour ago, firefox will not start

  After going online this morning, with my firefox browser, a box came say a security update was available and must be downloaded and installed. This has been done without apparent problem. At the end of the update, a note came up saying that the update should come into service after restarting my computer. What I've done. The computer started normally, but after clicking on the firefox icon, the program is not started. My computer is using Windows XP Service Pack 3.

  Hello tncovery, it works when re-download you the full installation file from getfirefox.com and install on top of your current installation?

• Firefox does not start after the places.sqlite opening in Notepad

  Firefox does not load again. I tried to create a large folder of bookmarks, but I wanted them to hide so I tried to be clever and create a copy of my current places.sqlite who had no bookmarks added and moved elsewhere, then I added bookmarks and once that replace the current places.sqlite then I created a copy of this and put it elsewhere for more security and then I replaced it with the first places.sqlite I had copied. I had to go through that much trouble because for reasons, I was unable to delete the bookmarks by right-clicking and selecting delete. I had already tried to open places.sqlite in Notepad and since then is when it started to happen. I tried to reset the file extension type, or rather detached, but I can't figure out how. I also tried to remove completely any Mozilla partner, restarted my computer and then reinstall Mozilla, but it didn't work and I prefer not to try again or uninstall it because my computer has a very difficult time even boot Windows 10. He likes to get on the desktop and then never hang while I have to restart the computer continuously until it works.

  Can someone tell me what to do or where it is that I was wrong?

  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 installer of Firefox 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 the problems, and then 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

• Firefox does not start after the upgrade: error code 2324

  I updated Firefox on my desktop running Windows 7 Enterprise (64-bit). Installer stub downloads and works through the installation, but does not automatically start Firefox. If I click on the link in the task bar, nothing happens. Same thing with that pinned to the start menu. If I go to the Mozilla folder and load Firefox from there, I get a message saying "Setup has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2324. »

  Hello

  Some Firefox problems can be solved by performing a clean reinstall. This means that you remove Firefox program files, and then reinstall Firefox. Please follow these steps:

  Note: You can print these steps or consult them in another browser.

  1. Download the latest version of Firefox from http://www.mozilla.org office and save the installer to your computer.
  2. Once the download is complete, close all Firefox Windows (click on quit in the file menu or Firefox).
  3. Remove the Firefox installation folder, which is located in one of these locations, by default:
     • Windows:
       • C:\Program Files\Mozilla Firefox
       • C:\Program Files (x 86) \Mozilla Firefox
     • Mac: Delete Firefox in the Applications folder.
     • Linux: If you have installed Firefox with the distribution-based package manager, you must use the same way to uninstall: see Install Firefox on Linux. If you have downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
  4. Now, go ahead and reinstall Firefox:
     1. Double-click on the downloaded Setup file and go through the steps in the installation wizard.
     2. Once the wizard is completed, click to open Firefox directly after clicking the Finish button.

  More information on the resettlement of Firefox can be found here.

  WARNING: Uninstaller or the use of Firefox and not run a third remover as part of this process, because who could permanently delete your Firefox data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and passwords saved. These can be recovered, unless they have been backed up on an external device!

  Please report back to see if this helped you!

  Thank you.

• Since graduating from version 22 (updated channel version), I had a few days with a very large text; Today, Firefox will not start. How to run again?

  I searched a file in Firefox program .exe files, but it doesn't seem to be any where. I would like to uninstall, download a new program and reinstall, but I will not lose rather bookmarks and other settings.
  Running Windows 7 on a Sony Vaio laptop. Any suggestions? Thanks in advance.

  Some Firefox problems can be solved by performing a clean reinstall. This means that you remove Firefox program files, and then reinstall Firefox, you WILL NOT lose any bookmarks, history and settings. Please follow these steps:

  Note: You can print these steps or consult them in another browser.

  1. Download the latest version of Firefox from http://www.mozilla.org office and save the installer to your computer.
  2. Once the download is complete, close all Firefox Windows (click on quit in the file menu or Firefox).
  3. Remove the Firefox installation folder, which is located in one of these locations, by default:
     • Windows:
       • C:\Program Files\Mozilla Firefox
       • C:\Program Files (x 86) \Mozilla Firefox
     • Mac: Delete Firefox in the Applications folder.
     • Linux: If you have installed Firefox with the distribution-based package manager, you must use the same way to uninstall: see Install Firefox on Linux. If you have downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
  4. Now, go ahead and reinstall Firefox:
     1. Double-click on the downloaded Setup file and go through the steps in the installation wizard.
     2. Once the wizard is completed, click to open Firefox directly after clicking the Finish button.

  Please report back to see if this helped you!