For 7.0, get popup saying "cannot load XRE extensions." Firefox does not open.

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• Firefox does not open, and when I try to use the "run", it says that the file has been moved, etc. I use Windows 8 and I can't lose my favorites. Help?

  Firefox has been great to work on my computer for months and then suddenly he could not load pages. So, naturally, I restarted my computer, but when it restarted Firefox does not open. The icon lights for a bit as usual, then it fades and never actually opens. When I try to use the "run" command, I get this error:
  "C:\Program Files\Mozilla Firefox\ refers to a location that is unavailable. It could be on a hard drive on this computer or on a network. Make sure that the disc is inserted correctly, or that you are connected to the Internet or your network, and then try again. If it can't be located, the information may have been moved to another location. »
  I also tried the same thing for the file in the x 86 folder, but it gave the same error and I went and looked for the files in the given location and they were there.
  Firefox is not to fall down, so he isn't there an other error message, I can give you.
  The things that I had my favorites are really important, I can not lose those, but I am fine with anything else have to re-installed, etc..
  Help please?

  I've never tried it myself, but the forum has a series of measures for a "clean reinstall" Firefox. Even if you do not delete the record of your personal settings (AKA profile) during this process, a backup of this folder is always a good idea in case something goes wrong.

  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.

  Please report back to see if this helped you!

• Firefox does not open after the update. Cannot open the profile technical, even when you use the directory in cmd line path

  I'm using Firefox on a Windows 7 computer. Firefox does not open after the last update. I read the help articles and it seems that I need to create a new profile because my settings were probably corrupted. I'm unable to open the profile technical, even when you use the directory in cmd line path. I tried the following commands in the command line:

  Firefox Pei
  "C:\Program Files (x 86) \Mozilla" PEI

  Nothing happens with every order.

  I am also running Norton Internet Security. I read a help of virtual navigation features Re article that can cause a problem. The article says to check the setting of virtualization in the internet security software and to clear the virtual cache. I went through all the menus of settings in Norton Internet Security version 21.6.0.32 and I don't see anything that looked like in "virtualization" settings, so I guess that does not apply to me. "

  If you have any ideas, I had appreaciate that your expertise!

  Hello arcandl, at the launch of the firefox is not after you double-click the shortcut, it is sometimes also a sign of active malware on a system.
  you might want to try running a scan with some various other security like the free version of malwarebytes and adwcleaner tools that are specialized to remove the adware and browser hijackers.

  Fix Firefox problems caused by malicious software

• Firefox does not open. Cannot update or delete. Says it is already open and I can't find how to close it.

  Firefox shows that it is already open and must be closed in order to update or delete. I can't locate a place to complete the process. It's probably something very simple, but I'm not a computer genius. Thank you!

  Have you tried you look for firefox.exe in the Task Manager process tab (you can get to that by using Ctrl-Alt-Delete, usually)? If you click firefox.exe in the list and then click on end process, it should close Firefox, even if Firefox does not seem to be running (sometimes the process takes a little longer to close the main window). If all else fails, maybe a reboot?

• My profile is missing for Firefox does not open. How can I reset it then?

  I've been using Firefox since one some time walking, but used a different browser as my main. Now that this browser is obsolete and there is no update available, I wanted to switch to Firefox permanently. Given that all my favorites are only updated on my old browser, I thought it would be much easier, simply uninstall and reinstall Firefox and automatically carried over to my favorites (since that first made some time ago). While looking up how to install it, I came across something that says that the bookmarks are stored in a 'profile' that had to be deleted to be reset. I followed the instructions to remove my profile, then uninstalled and reinstalled Firefox.

  NOW, I'm going to open my newly installed Firefox and a window pops up that says: "cannot load your Firefox profile. It may be missing or inaccessible. »... Well, I wanted to start over completely, so of course I don't have a profile more. But my only option now is to click on this window, and Firefox disappears. No means to access anything whatsoever on Firefox, no options, no nothing so all of the so-called 'solutions' that I've seen (IE: reset the profile...) "I can't do that either!) It is impossible for me to do.

  All I wanted to do was end of beginning completely with Firefox which seemed to be a very simple solution and has now turned into a chore and an unusable browser. How can I reset or create a new profile without being IN Firefox to do? Deleted my profile an error? If so, your help page is very misleading!

  Someone please help. I really don't want to use a DIFFERENT browser.

  Thank you!!

  A possible/probable cause is a problem with the file profiles.ini and the profile marked as the default value = 1 in this file is no longer present on the hard drive.

  • Windows: %AppData%\Mozilla\Firefox\
    C:\Users\ < user > < profile > \AppData\Roaming\Mozilla\Firefox\Profiles\.
  • Linux: ~/.mozilla/firefox/
  • Mac: ~/Library/Application Support/Firefox /.

  You can use one of them to make the Creation/use of a new default profile for Firefox:

  • Remove the profiles.ini file to force Firefox to create a new default profile
  • Use the Profile Manager to create a new profile
  • Use "Choose a folder" when you create a new profile to select the location of a lost profile and recover this profile
  • http://KB.mozillazine.org/Profile_Manager
  • https://support.Mozilla.org/KB/managing+profiles
  • http://KB.mozillazine.org/Profile_folder_-_Firefox

• Firefox does not open. Keep saying the profile is missing. There is no profile of AppData\Roaming\Mozilla\Firefox\

  I'm on Windows 7 OS.
  I read a lot of similar and related problems anywhere as my own, but none of them has a solution that works.

  I get the error message saying "unable to load your Firefox profile. It may be missing or inaccessible.

  I checked Windows: %AppData%\Mozilla\Firefox\
  C:\Users\ < user > \AppData\Roaming\Mozilla\Firefox\

  Only thing it is a folder called Firefox and in that one a file called crash report.

  There is no not called "profiles.ini" file so I have no way to access the Profile Manager and uninstall + remove manually all related Firefox folders/files and reinstall Firefox does not solve my problem.

  I have no idea what to do to get out of here to go to solve this problem or difficulty why Firefox doesn't work anymore even when the reinstalled.

  Have you tried to rename the Mozilla folder?

  Also try to delete the folder to the location of the cache in AppData\Local.

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

• Firefox does not open on a new Mac OS - profile cannot be found

  I got a new Mac and have not been able to open FF. I just got this message: "unable to load your firefox profile. It may be missing or inaccessible.

  I followed all the advice available. I have no profile manager. I have no folder in my library, utilities, Applications or users with a profile.ini I can't find folders or documents anywhere with Firefox or Mozilla other than the app itself... which does not open.

  I deleted Firefox to my computer entirely, reinstalled, rebooted the computer - everything. I always get this message.

  Would appreciate some advice.

  It is clear that there is a problem with the permissions, then you will need to check and possibly fix corrupted files permissions to the location where the main Firefox profile folder and where are stored the file cache.

  • < User > /users//Library/Application Support / Firefox/Profiles/< profile >.
  • /Users/ < user >/Library/Caches / Firefox/Profiles/< profile > / Cache

• Firefox does not open, says he is running when you try to restart, but does not appear

  Can't get Firefox to run visibly. Does not open in safe mode and does not close (said his execution when I try to shut down or restart the computer.) Have uninstalled Firefox and reinstalled 8.0 several times and nothing has changed. Have swept, defragmented, computer etc. and I tried some restorations system until this similar problem once cured with Firefox several months ago.

  Bring up the Windows Task Manager, but look in the "Process" tab for firefox.exe,.
  and shut it down from there, it won't do you any good search in "Applications".
  tab when you do not see the system taskbar.

  Firefox is closed correctly, and for when you just want to close and
  Immediately restart Firefox, see more information

  https://support.Mozilla.com/questions/866027

• Firefox does not open, says not responding do not

  Originally, I was annoyed that Firefox saves tabs when I closed. So I tried clicking clear history on close. Now, it will not open at all. I tried to reinstall but still when I try to open it, it does not load anything and finally says not responding do not.

  From what I've read other posts on this forum, the
  problem may be caused by the settings to erase history. It's supposed to
  to have been fixed in v30.

  Start Firefox in Safe Mode {web link}

  Type of topic: preferences in the address bar and press on Enter.

  Select Privacy.

  The button next to history, select use custom settings.

  At the bottom of the page, turn clear history when Firefox closes.
  At the extreme right, press the settings button. Activate ONLY the Cache and
  Form history and search for without touching the others turned off.

• the last two days, I get an error message and Firefox does not open. I'm on 9.0

  The last two days, Firefox will not load. I get an error screen. I'm on 9.0

  Thanks for the help. All is well in Tennessee!

  Gary

• Firefox does not open and not get Profile Manager.

  I'm running Windows 7 Professional. So about two weeks ago, I had suddenly couldn't open Firefox and since then have tried to solve it myself does not. the process of Firefox opens in the Task Manager, however, the browser window does not appear. Trying to open Firefox again, another process opens and the same thing happens. Process just keep opening and that's it. I tried the Profile Manager, but it opens only once and I couldn't so he can reopen. Every once in a while Firefox actually opens when I run it, but when I close it to see if it works once again it does not work. Firefox opens in safe mode with network consecutively without any problem. While he was in safe mode, I ran a full scan of the system with Nortan Antivirus and allowed thirty or threats, but after restart of Firefox will not always open, treated only. I tried to remove the x 86 erased my local path and Mozilla appdata roaming Mozilla, then re installed with 34.0.5. I tried to open Firefox in safe mode, but it will not open at all, only the process again.

  It is possible that your security (firewall, antivirus) software blocks or limit Firefox or the process of plugin-container without you inform, possibly after the detection of changes (update) for the Firefox program.

  Delete all rules for Firefox and the plugin-container in the permissions list in the firewall and allow your firewall to ask permission to get access full and unrestricted, again to install for Firefox and the plugin-container and the update process.

  See:

  • https://support.Mozilla.org/KB/server+not+found
  • https://support.Mozilla.org/KB/firewalls
  • https://support.Mozilla.org/KB/fix-problems-connecting-websites-after-updating

  Make a check of malware with several malware scanning of programs on the Windows computer.
  Please scan with all programs, because each program detects a different malicious program.
  All of these programs have free versions.

  Make sure that you update each program to get the latest version of their databases before scanning.

  • 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 security 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

  Alternatively, you can write a check for an infection rootkit TDSSKiller.

  • Utility anti-rootkit 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

• Despite several reboots that Firefox does not open for 3 days because apparently he was busy, how can I see what it is and how to close?

  I set up my online banking site but could not sign, or sign out so I closed the website and Firefox. For 3 days I couldn't open Firefox and explore. During the 3 days, I rebooted several times. On the fourth day when I opened Firefox a screen open Firefox saying was embarrassed etc etc... and that I could restore my bank site online that I did. I was able to log in and log out of the account and close the site. My question is when Firefox crashes like that, how do I see if a site is opened in Firefox if I can't open Firefox?

  I am on Windows 7

  Clear the cache and cookies from sites that cause problems.

  "Clear the Cache":

  • Tools > Options > advanced > network > content caching Web: 'clear now '.

  'Delete Cookies' sites causing problems:

  • Tools > Options > privacy > Cookies: "show the Cookies".

  If clearing cookies doesn't work, then it is possible that the cookies.sqlite file that stores the cookies is corrupted.

  Rename (or delete) cookies.sqlite (cookies.sqlite.old) and delete other files to present as cookie cookies.sqlite - journal in the profile folder of Firefox in the case where the cookies.sqlite file has been corrupted.

  Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem (switch to the DEFAULT theme: Firefox/tools > Modules > appearance).

  • Do NOT click on the reset button on the start safe mode window or make changes.
  • https://support.Mozilla.org/KB/safe+mode
  • https://support.Mozilla.org/KB/troubleshooting+extensions+and+themes

• search results for Firefox does not open. I rebooted and prob persists.

  Firefox's search results will not be not open if clicked.

  I removed and reloaded firewfox and the problem remains.

  My Favorites and bookmarks open wind, but new research results will not open if clicked.

  the image and video features open if clicked on, but none of the sites listed in the search results will open.

  -> Tap ALT key or press F10 to display the Menu bar

  -> go to Menu help-> select restart with disabled modules

  Firefox closes, then it will open with Firefox comes from base. Now follow these steps:

  -> Update ALL your plugins Firefox https://www.mozilla.com/en-US/plugincheck/

  -> go to Menu view-> toolbars-> all unwanted/incompatible deselection with toolbars

  -> go to the Menu Tools-> clear recent history-> range of time: select 'ALL' -> click details (small arrow)-> location-> checkmarks on the Cookies, Cache , click clear now

  -> go to the Tools Menu-> Options-> content-> place the check on:

  Images of care 1) block popups 2) automatically) 3 turn on JavaScript

  -> go to the Tools Menu-> Options-> Security-> place the check on:

  ((1) Warn me when sites try to install modules) 2 block reported attack sites block 3) declared false web 4) remember passwords for sites

  -> go to the Tools Menu-> Options-> advanced-> network-> Offline Storage (Cache): click on the clear now button

  -> Click OK in the Options window

  -> click on the favorite on the search bar icon-> click Manage search engines -> select all unwanted search engines and click delete -> click OK

  -> go to the Tools Menu-> Modules-> Extensions-> section REMOVE all unwanted/Suspicious/Incompatible (modules)-> restart Firefox Extensions

  -> go to the Tools Menu-> Modules-> appearance-> section REMOVE all unwanted/Suspicious/Incompatible (Persona)-> restart Firefox

  You can activate your known & modules worthy of trust and themes later. Check and tell if its working.

• I loaded a new Firefox because F does not open. This new Firefox does not open. Not at all. The Task Manager shows some charges, but F not open. I rebooted, cleaned the registry, but F does not work.

  F earlier crashed, crashed etc. Now it does not start.
  I checked the virus etc.
  When I started a new load, no question of Add-ons or anything.

  Maybe firefox hangs do not crash

  • See Firefox crashes or does not - how to fix

• Since I updated to Firefox 8 on Mac OS x 10.4.11, Firefox does not open more (not same previous versions downloaded via Safari). I get the error message "You cannot use Firefox with this version of Mac OS x" (translated from Dutch).

  I tried to create a new profile, the problem remains the same.

  None of the 3 accounts on this desktop computer can use Firefox. This has never been a problem. Today (14.11.11) I've updated Firefox to 8 and nothing more. Via Safari, I downloaded Firefox 7 to reinstall, same error message.

  From Firefox 4, Mac must have an Intel x 86 processor (which you do not have) and OSX 10.5 or higher (version OSX 10.4).

  • System requirements: Firefox 4 Firefox 5 Firefox 6 Firefox 7 Firefox 8

  The good news is that Firefox 3.6.24 still support OSX 10.4 and Mac with the PPC Mac architecture. The bad news is that the support for Firefox 3.6.x series is likely to end in the first quarter of 2012.

  • System requirements: Firefox 3.6.x
  • Download Firefox 3.6.24: https://www.mozilla.org/en-US/firefox/all-older.html
  • Also see-> http://support.mozilla.com/en-US/kb/Installing+Firefox+on+Mac

  If this answer solved your problem, please click 'Solved It' next to this response when connected to the forum.