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Firefox 56.0.2 fails to launch

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Firefox 56.0.2 fails to launch. Running on Windows 10 64 bit May be related to Norton Taskbar I installed on prior version.

crashreporter-override.ini content was:

This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
  1. This file is in the UTF-8 encoding

[Strings]

  1. LOCALIZATION NOTE (CrashReporterProductErrorText2): The %s is replaced with a string containing detailed information.

CrashReporterProductErrorText2=Firefox had a problem and crashed. We’ll try to restore your tabs and windows when it restarts.\n\nUnfortunately the crash reporter is unable to submit a crash report.\n\nDetails: %s CrashReporterDescriptionText2=Firefox had a problem and crashed. We’ll try to restore your tabs and windows when it restarts.\n\nTo help us diagnose and fix the problem, you can send us a crash report.

Firefox 56.0.2 fails to launch. Running on Windows 10 64 bit May be related to Norton Taskbar I installed on prior version. crashreporter-override.ini content was: ; This Source Code Form is subject to the terms of the Mozilla Public ; License, v. 2.0. If a copy of the MPL was not distributed with this ; file, You can obtain one at http://mozilla.org/MPL/2.0/. # This file is in the UTF-8 encoding [Strings] # LOCALIZATION NOTE (CrashReporterProductErrorText2): The %s is replaced with a string containing detailed information. CrashReporterProductErrorText2=Firefox had a problem and crashed. We’ll try to restore your tabs and windows when it restarts.\n\nUnfortunately the crash reporter is unable to submit a crash report.\n\nDetails: %s CrashReporterDescriptionText2=Firefox had a problem and crashed. We’ll try to restore your tabs and windows when it restarts.\n\nTo help us diagnose and fix the problem, you can send us a crash report.

Chosen solution

When you eventually update the camera software, then you will be able to take advantage of 64-bit Firefox.

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Additional System Details

Installed Plug-ins

  • Office Plugin for Netscape Navigator
  • ActiveTouch General Plugin Container Version 106
  • DivX Plus Web Player version 2.2.0.52
  • DivX VOD Helper Plug-in
  • Google Update
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.144.2 for Mozilla browsers
  • NPWLPG
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
  • RealNetworks(tm) RealPlayer Chrome Background Extension Plug-In
  • RealPlayer Download Plugin
  • This plug-in enables downloading of HTML5 videos
  • RealPlayer(tm) LiveConnect-Enabled Plug-In
  • RealPlayer(tm) HTML5VideoShim Plug-In
  • Shockwave Flash 27.0 r0
  • 5.1.50907.0
  • VLC media player Web Plugin
  • iTunes Detector Plug-in

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0 SeaMonkey/2.46

More Information

Scribe 732 solutions 3484 answers

Hi, hold down Shift when you start Firefox to start in Safe Mode. More - Troubleshoot Firefox issues using Safe Mode. If it works in Safe Mode, disable any theme or add-ons you have - Add-ons Manager (Ctrl+Shift+A) > Appearance/Extensions, then if it's OK, re-enable them one by one until you find the culprit.

If FF still won't start, try performing a Clean reinstall. This means you remove your Firefox program files and then reinstall Firefox. This process does not remove your Firefox profile data (such as bookmarks and passwords), since that information is stored in a different location.

To do a clean reinstall of Firefox, please follow these steps: Note: You might want to print these steps or view them in another browser.

  1. Download the latest Desktop version of Firefox from mozilla.org (or choose the download for your operating system and language from this page) and save the setup file to your computer.
  2. After the download finishes, close all Firefox windows (or open the Firefox menu New Fx Menu and click the close button Close 29 ).
  3. Delete the Firefox installation folder, which is located in one of these locations, by default:
    • Windows:
      • C:\Program Files\Mozilla Firefox
      • C:\Program Files (x86)\Mozilla Firefox
    • Mac: Delete Firefox from the Applications folder.
    • Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you 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 the downloaded installation file and go through the steps of the installation wizard.
    2. Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.

More information about reinstalling Firefox can be found here.

WARNING: Do not use a third party uninstaller as part of this process. Doing so could permanently delete your Firefox profile data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and saved passwords. These cannot be easily recovered unless they have been backed up to an external device! See Back up and restore information in Firefox profiles.

Please report back to say if this helped you!

Thank you.

Hi, hold down Shift when you start Firefox to start in Safe Mode. More - [[Troubleshoot Firefox issues using Safe Mode]]. If it works in Safe Mode, disable any theme or add-ons you have - Add-ons Manager (Ctrl+Shift+A) > Appearance/Extensions, then if it's OK, re-enable them one by one until you find the culprit. If FF still won't start, try performing a ''Clean reinstall''. This means you remove your Firefox program files and then reinstall Firefox. This process does not remove your [[Profiles - Where Firefox stores your bookmarks, passwords and other user data|Firefox profile]] data (such as bookmarks and passwords), since that information is stored in a different location. To do a clean reinstall of Firefox, please follow these steps: '''Note:''' You might want to print these steps or view them in another browser. #Download the latest Desktop version of Firefox from [https://www.mozilla.org mozilla.org] (or choose the download for your operating system and language from [https://www.mozilla.org/firefox/all/ this page]) and save the setup file to your computer. #After the download finishes, close all Firefox windows (or open the Firefox menu [[Image:New Fx Menu]] and click the close button [[Image:Close 29]]). #Delete the Firefox installation folder, which is located in one of these locations, by default: #*'''Windows:''' #**C:\Program Files\Mozilla Firefox #**C:\Program Files (x86)\Mozilla Firefox #*'''Mac:''' Delete Firefox from the Applications folder. #*'''Linux:''' If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see [[Installing Firefox on Linux]]. If you downloaded and installed the binary package from the [http://www.mozilla.org/firefox#desktop Firefox download page], simply remove the folder ''firefox'' in your home directory. #Now, go ahead and reinstall Firefox: ##Double-click the downloaded installation file and go through the steps of the installation wizard. ##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button. More information about reinstalling Firefox can be found [[Troubleshoot and diagnose Firefox problems#w_5-reinstall-firefox|here]]. <b>WARNING:</b> Do not use a third party uninstaller as part of this process. Doing so could permanently delete your [[Profiles|Firefox profile]] data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and saved passwords. <u>These cannot be easily recovered unless they have been backed up to an external device!</u> See [[Back up and restore information in Firefox profiles]]. <!-- Starting in Firefox 31, the Firefox uninstaller no longer lets you remove user profile data.Ref: Bug 432017 and https://support.mozilla.org/kb/uninstall-firefox-from-your-computer/discuss/5279 [Fx31] Windows uninstaller will no longer offer the option to remove personal data --> Please report back to say if this helped you! Thank you.

Question owner

The above recipees did not work. Nothing ever opens - neither in Safe Mode nor after a clean reinstall.

The above recipees did not work. Nothing ever opens - neither in Safe Mode nor after a clean reinstall.
Shadow110 1072 solutions 14836 answers

Please copy/paste the bp- files after reading since you mention it crashes. https://support.mozilla.org/en-US/kb/firefox-crashes-asking-support

So this does not work ??? Please uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved.

Then install Firefox 56.0.2 from a Full Version Installer https://www.mozilla.org/firefox/all/

I have Norton Toolbar installed. Not a issue.

Please let us know if this solved your issue or if need further assistance.

Please copy/paste the bp- files after reading since you mention it crashes. https://support.mozilla.org/en-US/kb/firefox-crashes-asking-support So this does not work ??? Please uninstall Firefox. Then Delete the Mozilla Firefox Folders in C:\Program Files and C:\Program Files(x86) Then restart system. Then run Windows Disk Cleanup. Then run it again and click the button that says Cleanup System Files. Note: your Firefox Profile is saved. Then install Firefox 56.0.2 from a Full Version Installer https://www.mozilla.org/firefox/all/ I have Norton Toolbar installed. Not a issue. Please let us know if this solved your issue or if need further assistance.

Modified by Shadow110

Question owner

I had done this all before. Nonetheless I went through the steps you suggested. Same result - Firefox will not run. As always there is about 3-4 seconds of activity (circling icon) and then nothing. This happens when you double-click in desktop icon or go to the directory C:\Program Files\Mozilla Firefox\firefox.exe and run that. I am just stumped.

I had done this all before. Nonetheless I went through the steps you suggested. Same result - Firefox will not run. As always there is about 3-4 seconds of activity (circling icon) and then nothing. This happens when you double-click in desktop icon or go to the directory C:\Program Files\Mozilla Firefox\firefox.exe and run that. I am just stumped.

Question owner

I am a little puzzled why the properties of firefox.exe as shown under the security tab includes two extra Group or user names besides the expected SYSTEM Administrators Users

namely ALL APPLICATION PACKAGES ALL RESTRICTED APPLICATION PACKAGES

I don't see these for any other application. Clue?

I am a little puzzled why the properties of firefox.exe as shown under the security tab includes two extra Group or user names besides the expected SYSTEM Administrators Users namely ALL APPLICATION PACKAGES ALL RESTRICTED APPLICATION PACKAGES I don't see these for any other application. Clue?
jscher2000
  • Top 10 Contributor
8785 solutions 71851 answers

If you are not getting any kind of crash dialog, either from Windows 10 or from Firefox (Mozilla Crash Reporter), Windows may be "killing" Firefox early in the startup for some reason. Perhaps...

A Recent Issue for 64-bit Windows Users with 64-bit Firefox

One of the main effects of the Firefox 56.0.1 update was to switch 64-bit Windows users from the traditional 32-bit version of Firefox to the 64-bit version. We've received a number of puzzling reports of Firefox either not starting (probably due to incompatibilities with 64-bit drivers that Firefox expects/requires) or not loading any pages after this migration.

One user discovered that Windows was silently killing Firefox at startup and recording it in the Windows event logs (you can view event logs using the Event Viewer). Based on one of the reports in the log, we were able to trace that to an out-of-date Logitech camera driver, of all things. Four other users reported that uninstalling the Logitech camera resolved their problem as well.

Do you want some assistance in looking at event logs, or do you have such a camera?

If the investigation doesn't yield any solutions, it is worth trying a return to 32-bit Firefox.

While normally this kind of change is seamless -- the installer detects your existing data and preserves everything -- you might want to make a backup "just in case."

Note: If you decide to try 64-bit Firefox on the same system at some point in the future, see: How to switch from 32-bit to 64-bit Firefox.

If you are not getting any kind of crash dialog, either from Windows 10 or from Firefox (Mozilla Crash Reporter), Windows may be "killing" Firefox early in the startup for some reason. Perhaps... '''''A Recent Issue for 64-bit Windows Users with 64-bit Firefox''''' One of the main effects of the Firefox 56.0.1 update was to switch 64-bit Windows users from the traditional 32-bit version of Firefox to the 64-bit version. We've received a number of puzzling reports of Firefox either not starting (probably due to incompatibilities with 64-bit drivers that Firefox expects/requires) or not loading any pages after this migration. One user discovered that Windows was silently killing Firefox at startup and recording it in the Windows event logs (you can view event logs using the Event Viewer). Based on one of the reports in the log, we were able to trace that to an out-of-date Logitech camera driver, of all things. Four other users reported that uninstalling the Logitech camera resolved their problem as well. * https://support.mozilla.org/questions/1179822#answer-1019375 * https://support.mozilla.org/questions/1181740#answer-1021470 * https://support.mozilla.org/questions/1181405#answer-1022798 * https://support.mozilla.org/questions/1182572#answer-1023413 * https://support.mozilla.org/questions/1182847#answer-1024290 Do you want some assistance in looking at event logs, or do you have such a camera? If the investigation doesn't yield any solutions, it is worth trying a return to 32-bit Firefox. While normally this kind of change is seamless -- the installer detects your existing data and preserves everything -- you might want to make a backup "just in case." * [[Back up and restore information in Firefox profiles]] * [[How to opt out of 32-bit Firefox migration to 64-bit]] ''Note: If you decide to try 64-bit Firefox on the same system at some point in the future, see:'' [[How to switch from 32-bit to 64-bit Firefox]].

Question owner

Yes, the problem was I do have a 64 bit system and a Logitech Camera! I installed the 32 bit version from the right area (some places say it's 32 bit but it was not!). Download the full version and don't use the standard install. This puts it in the x86 area. Everything now works. Thanks for your tip!

Yes, the problem was I do have a 64 bit system and a Logitech Camera! I installed the 32 bit version from the right area (some places say it's 32 bit but it was not!). Download the full version and don't use the standard install. This puts it in the x86 area. Everything now works. Thanks for your tip!
jscher2000
  • Top 10 Contributor
8785 solutions 71851 answers

Chosen Solution

When you eventually update the camera software, then you will be able to take advantage of 64-bit Firefox.

When you eventually update the camera software, then you will be able to take advantage of 64-bit Firefox.