Firefox does not start, no error message, only works in the background

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• Firefox does not start. Error oxc0150004

  Firefox will not start. I uninstalled and reinstall.
  Nothing has changed. I have used Firefox for years. This first
  time, I have a problem.

  Hey Horrie.

  Have you tried to start Firefox in Mode safe? Key 'shift' startup of Firefox. If the accident is not in Mode without failure, you should read the extensions, themes and problems of hardware acceleration to resolve common troubleshooting Firefox problems.

  There are also a lot of useful things in the article Knowledge Base of Firefox does not start . If you have recently upgraded, you can check out this article as well.

  Hope this helps!

• Internet Explorer and games does not start; no error message.

  Hi, I had a lot of problems with my computer lately, and it's the last that I have not been able to solve.  I'm running the 64 bit version of Windows 7 Home Premium in a computer, I implemented last summer (the motherboard is an ASUS P5N - D for details).  I recently decided to bathe my HDD Seagate on fire right through a "boot and nuke" program, hoping to relieve a massive corruption of Windows file.  I had a few difficulties, reinstallation of Windows through my installation disc - is now on his third relocation, because I found myself in the limbo of the repair to start due to corrupted registry errors the first two times (although Windows went perfectly fine as a first step, the problem is presented when you restart).  On the last installation, I could run long enough to reacquire all my drivers through the internet, and I even managed to install and play a game for a while.

  When I turned off my computer had 53 updates to Windows Installer.  Let them install and when I started it this morning, Windows wouldn't start.  I used the system restore, Windows and then stop again updates give a chance more (I think that they have perhaps been interrupted the first time).  Now, Windows starts correctly, but I can't run my game.  More worrying is that I can't run internet explore.  I tried MS Paint and Windows Media Player and both of these applications are running.  But in the two aforementioned applications, the pointer changes to indicate they're loading a moment and then returns to its normal appearance without loading anything or provide an unique error message.  I opened the Task Manager and watched list applications that I began them - both appear in the handler for a fraction of a second before disappearing without warning.  I have no idea what is the cause and would be very grateful some advice thereon before yielding to frustration and buy a new hard drive.  Thank you.

  Go, I found to open the newspaper is to copy on your desktop (for this, you will need the Admin password) then right click to copy file and 'open with '. Use an editor, I think that the default value in the list is Notepad. Uncheck "always use" that you can't always open these log files in Notepad.

  The problem is that they are not so easy to decipher.

  Have a read of http://support.microsoft.com/kb/929833, this http://support.microsoft.com/kb/928228 (for Vista but should give an idea) and http://www.sevenforums.com/general-discussion/56234-make-cbs-log-useable.html to give an idea.

  The "SFC / verifyonly" does what it says, it does and just detects and reports errors through the newspaper. You can run the command to actually verify and repair errors, but to be honest, I don't know enough about the in's and out of it. I guess it must fix the errors it finds, but I am not sure if there are disadvantages to it. Experts from the SFC SC around?

  I don't think that an information event is usually nothing to worry about, its errors and warnings that can give advice to any potential problems. If you open the error/warning message there is sometimes a link goes to MS who occasionally provides assistance on what to do next. Then click on one of the errors and look for the 'more information' link.

  Have you tried 3, 5, 6 of my first post, & Esp 5. It is possible that your user account is 'pickled :-) ". "rather than the whole system and creating a new test user all might be fine." It is not certain or guaranteed, but shouldn't take long to check.

  It seems that something is damaged somewhere, so maybe try something else is a check disk scan. Open Explorer, right-click your HDs (one at a time), tools, and then click "error checking".

  EDIT - one think more away, you have an AV Checker updated running? Start in safe mode with networking, the errors still occur then (i.e. can you open IE now)? Once in safe mode, see if you can update your AV checker and run a full scan.

• Lightroom does not start. no error message. Task Manager indicates it gets up to about 75 k and disappears.

  My lightroom does not start. dies just before the banner.

  Please visit: http://answers.microsoft.com/en-us/windows/forum/windows_8-winapps/the-program-cant-start-because-msvcr110dll-is/f052d325-3af9-4ae5-990b-b080799724db

  Kind regards

  Mohit

• After the upgrade to firefox 9.0 does not start. Error message says mozcrt19.dll is missing.

  Runnng Windows 7 Firefox anf 6. Updated to 9.0. Error message says try to reinstall to fix the problem. Have tried without success. Uninstalled all the programs Firefox and installed a cleaning with the same error message that appears when I tried to start.

  I had finally fixed it by uninstalling firefox and closing of my alarm box antivirus program, and then do a clean install.

• FireFox does not start due to message ssl3.dll is missing, and indeed it is not in the folder program files. But I can't seem to be able to reinstall Firefox or copy the ssl3.dll file in the program folder files. Help?

  Webroot identified ssl3.dll as a threat and deleted. Now, I can't start Firefox, nor can I copy ssl3.dll in the file Firefox program. I tried to uninstall Firefox and reinstall, but it always shows an update and does not seem to add ssl3.dll. Help?

  See also [904266/questions/904266]

• I had a loss of power, and now Firefox does not start on my XinXP machine. In the process of list is firefox.exe, but no window always opens

  I have Firefox and Thunderbird - both Act the same. When I double click on the exe icon, a process starts, visible in the Task Manager, but no application ever does appear, in applications, or no appaears window. Both worked earlier today.

  Tried the checkdisk - no help.

  I uninstalled (in safe mode because the uninstall program wouldn't work either) of the software of the printer, and then reinstalled as.

  After that, thunderbird and firefox have both worked very well. Part of Windows must have got dirty up/stuck by being apparently corrupted printing software. Printer icon never showed up. Firefox and Thunderbird must have tried to read printer data at startup and hung out to dry...

  Thanks for the quick reply

• Essbase server does not start: fatal error: security file created in the mode of Fusion, but the current environment isn't in merger mode.

  Hello

  We are unable to start the Essbase server after trying to configure SSO between OBIEE and Essbase.

  Here are the details of the journal:

  ----------------------------------------------------------

  14/10/28 10:35:45 start

  ------------------------------------------------------

  Info: Essbase reduced the number of soft file descriptors because the 32K limit has been exceeded. Exceeding the limit can greatly increase the loading time of application.

  Environment variable [HYPERION_LOGHOME] is - it allows to define the location of the log file.

  The log location is [/ u00/app/mw_home/forums/instance1/diagnosis/newspapers/Essbase/essbaseserver1/essbase].

  [Mar 28 10:35:45 Oct 2014] Local/ESSBASE0 / / / 47677451854848/Info (1051283)

  Recovery of license information, please wait...

  [Mar 28 10:35:45 Oct 2014] Local/ESSBASE0 / / / 47677451854848/Info (1051286)

  The license retrieved information.

  The user 65535 Essbase user 65535 planning system

  [Mar 28 10:35:45 Oct 2014] Local/ESSBASE0 / / / 47677451854848/Info (1311019)

  Classpath lors de l'initialisation de la JVM : [ : / u00/app/mw_home/Oracle_BI1/common/jlib/11.1.2.0/dummy.jar:/u00/app/mw_home/wlserver_10.3/server/lib/weblogic.jar:/u00/app/mw_home/Oracle_BI1/... /oracle_common/modules/oracle.jrf_11.1.1/jrf.jar:/u00/app/mw_home/wlserver_10.3/server/lib/wls_api.jar:/u00/app/mw_home/Oracle_BI1/common/jlib/11.1.2.0/epm_j2se.jar:/u00/app/mw_home/Oracle_BI1/products/Essbase/EssbaseServer/java/essbase.jar:/u00/app/mw_home/Oracle_BI1/products/Essbase/EssbaseServer/java/ essbaseRegistry.jar]

  [Mar 28 10:36:28 Oct 2014] Local/ESSBASE0 / / / 47677451854848/Info (1051199)

  Single Sign-On initialization succeeded!

  [Mar 28 10:36:28 Oct 2014] Local/ESSBASE0 / / / 47677451854848/Info (1051627)

  Info: Essbase reduced the number of soft file descriptors because the 32K limit has been exceeded. Exceeding the limit can greatly increase the loading time of application.

  Fatal error: the security file was created in blend mode, but the current environment is not blending mode... Restart Essbase using the last backup file, or set the ENABLESWITCHTOBACKUPFILE config to allow Essbase automatically uses a backup security file

  We have updated the essbase.cfg and define the TRUE ENABLESWITCHTOBACKUPFILE but that didn't work.

  Also, we have renamed the file essbase.sec in essbase_bak.sec and restarted the service. still no luck.

  Essbase Server is now running

  Followed the instructions in the document below:

  https://support.Oracle.com/epmos/faces/DocumentDisplay?_afrLoop=322765872961140&ID=1676072.1&DisplayIndex=1&_afrWindowMode=0&_adf.CTRL-State=f6suct4ab_302#cause

• I get this error message and Firefox does not start... EXC in ev handl: error: error definition property on NPObject!

  Firefox does not start and this message keeps coming back... I uninstalled and reinstalled... but nothing helped...

  EXC in ev handl: error: error definition property on NPObject!

  Disable the extension "McAfee Site Advisor" who has just updated 3.4.0 that probably out of block of addons list.

  • 'Ctrl + Shift + A' > find McAfee Site Advisor and use 'Disable', and then restart Firefox.
  • Do a Google search without problem
  • It seems that if you re - enable new Site Advisor and restart Firefox you agree. At least you know where to look if you get the error again, or research on Google to slow down.

• Firefox does not start "XPCOM" message pop up, my user and passwords! ??

  My window 7 was not starting up properly so I did a system restore and now firefox does not start a message appears indicating "XPCOM" and I googled and all is said to reinstall Firefox. I don't usually to reinstall immediately because I need my passwords and username back. I can't find a solution on the forums, or if there is I have not found or I simply did not understand the solution itself. Please get back to me as soon as possible

  Thank you!

  Is a restoration of the system to a cancellation of the recent updates or something more radical?

  You can do the following type of reinstall without touching your settings files. Important: uninstall NO Firefox first. That is not necessary.

  Clean reinstall it

  (1) download a fresh Installer for Firefox 36 of https://www.mozilla.org/firefox/all/ in an ideal location. (Scroll down your preferred language).

  (2) the release of Firefox.

  (3) to rename the program folder

  (Windows 64-bit folder names)

  C:\Program Files (x86)\Mozilla Firefox
  

  TO

  C:\Program Files (x86)\OldFirefox
  

  (Windows 32-bit folder names)

  C:\Program Files\Mozilla Firefox
  

  TO

  C:\Program Files\OldFirefox
  

  (4) run the installer you downloaded in the #1. It should automatically connect to your existing settings.

  When you start Firefox, you may need to use the Profile Manager to return to your regular profile. Ignore: copy/paste glitch.

  Any improvement?

  Note: Some plugins can only exist in this OldFirefox file. If it is missing something essential, present in these files:

  • \OldFirefox\Plugins
  • \OldFirefox\browser\plugins

• Firefox does not start - claims that it is already open

  Firefox does not start. He claims to be already running, but that doesn't seem to be the case.

  I tried to create a new user profile, but when I try to open Firefox now, the menu "choose user profile". I tried the new profile and they old, and both give the same error message. "Firefox is unable to use the"Default user"profile because it is in use. To continue, close the Runspace of Firefox or choose a different profile. »

  There is an entry for firefox.exe in the menu of "details" to my task manager and nowhere else. When I try to put an end to this task, I get the following error: "the operation could not be performed - access denied."

  Due to some troubleshooting research, I tried to delete the parent.lock my profile folder, but I get this error: "the action cannot be completed because the file is opened in Firefox."

  I tried to transfer my bookmarks and preferences from Firefox to Chrome, but I had a similar error suggesting that Firefox was already open and I have to close first.

  I also turned off my computer and uninstalled and reinstalled Firefox several times.

  I'd really rather not lose all my bookmarks Firefox, modules, and preferences. I also prefer to use Firefox for Chrome, so if anyone can help me I would really appreciate it. I don't know what else to try.

  My PC runs Windows 10, incidentally.

  Try to delete the parent.lock file in the Firefox profile folder.

  • C:\Users\ < user > < profile > \AppData\Roaming\Mozilla\Firefox\Profiles\.
  • http://KB.mozillazine.org/Profile_folder_-_Firefox

  See:

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

  What security software do you have?

  Try to create a new shortcut on the desktop Firefox and maybe to reinstall Firefox via a clean reinstall (i.e. remove the Firefox program folder).

  If you cannot remove the Firefox program folder and then try to rename this file to "Mozilla Firefox.old".

  • (Windows 64 bit) "C:\Program Files (x 86) \Mozilla.
  • (32-bit Windows) "C:\Program Files\Mozilla Firefox\"

  Start the computer in Mode safe mode with network support Windows (on the startup screen, press F8) to see if that helps.

  • http://www.bleepingcomputer.com/tutorials/how-to-start-Windows-in-safe-mode/
  • http://www.7tutorials.com/4-ways-boot-safe-mode-Windows-10

• 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.

• Firefox does not start (not safe mode), but uses the CPU

  I have the latest Firefox 25.0 (and the last Flash 11.9.900.117) on Windows 7 and the following behavior is reproducible. It started not too long ago.

  At first when I launch Firefox, nothing appears no matter how often, I restart. I see in the list of the process firefox.exe to 25% of the CPU, 2 x FlashPlayerPlugin_11_9_900_117.exe (CPU 0%) and plugincontainer.exe. No matter how many times I killed all of them, would not restart Firefox.

  The following also not help in this situation:

  • Starting in normal safe mode: Firefox opens a window but immediately freezes and does not respond. The process list shows the same process even if I find the unexpected FlashPlayer.
  • Disable plugincontainer: same results (just without plugincontainer.exe)
  • Uninstall Flash: Same results (just without FlashPlayerPlugin)

  The following can start Firefox only once:

  • Starting in SafeMode but select "Reset Firefox": Firefox does not start right away, however. Nothing happens, and you have to kill the process. However the very next time you launch Firefox in the normal way, it works fine (but it shows FlashPlayerPlugin.exe in the list of unopened Windows process despite the tab). Unfortunately, after closing Firefox the process (Firefox, FlashPlayerPlugin) are not deleted. I kill and the problem with Firefox do not leave reappears.

  In case you use "clear history of Firefox closing:

  • do not delete Cookies

  Note that compensation "Preferences of Site" clears all exceptions for cookies, images, windows pop up, installation of software and passwords.

  Use "Firefox > output" (Windows: Firefox/file > quit;) Mac: Firefox > quit Firefox. Linux: Firefox/file > exit) to close Firefox if you are currently doing by clicking on the X close in the title bar of Firefox.

  Create a new profile manually (and not via the reset) as a test to see if your profile is the source of the problems.

  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 in the new profile, but be careful not to copy files corrupted to avoid transporting on the problem.

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

• Mozilla Firefox does not start

  My Firefox does not start. I've tried the upgrade, the problem still persists. The icon is there, but nothing happens when I press it.

  Hi Dick3974,
  Please reinstall Firefox for Android from Google game store and see if this problem persists.

  We look forward to your response.

• After that restart of firefox does not start. is running in the Task Manager, but won't pop up. Reset safe mode and uninstall/reinstall won't help. OK so no reset.

  Win7 Pro. has worked ok firefox. but lately with 25 and 26 now, firefox does not start. I see that firefox is running in the Task Manager. but it will not just appear.
  If I still download and install it, it runs, but every time I restarted the system, it just does not work yet.
  Reset try:, safe mode, uninstall & reinstall, new/clean profile none of these work.