Firefox is running in the Task Manager, but only opens a window.

I can't get Firefox to open a window. I tried firefox-p (Profile Manager) and firefox-safe (safe mode), but nothing works to open a window. I uninstalled and reinstalled, but that solves nothing. I haven't changed anything recently, so perhaps there is a update (?) Here's what happens:

I try to start Firefox, and the Task Manager indicates that Firefox is running. It employs about 32 k of memory, but the window never opens.

I click Firefox again. Manager tasks indicates 2 Firefox process now. The second is to use about 4 k of memory. Running Firefox repeatedly adds additional tasks to Firefox, each using about 4 k of memory.

After about a minute, the additional tasks of Firefox (the 4 k ones) start closing 1 by 1. I am now down to only 2 Firefox process, using 32 k and 4 k of memory, respectively. As far as I know, these processes will last forever, until I have shut them down manually. If I run Firefox again without closing the current process, it creates another 4 k process, which finally closes itself. If I close all the processes manually, I can start over from scratch. Meanwhile, Firefox never opens a window, or give a clue showing that it is running, with the exception of the processes listed in the Manager tasks.

bdemmon said

I deleted the one in my USER folder without change. There are a couple more in various C:\Mozilla\Firefox\Profiles files, so I deleted those too, without change.

It's a custom location. Normally, the profiles are under AppData\Roaming, I think you already know. There is a shortcut:

%APPDATA%\Mozilla\Firefox\

This folder must contain a profiles.ini file (.ini file extension may be hidden), which shows the names and paths to your profile folder (s). If you check in a text editor such as Notepad, this file contains sound data?

If this started right after an update, it could be a problem with security software, put an end to the commissioning (rules of program control) or program files has been corrupted.

You can check your firewall and other security software for program restrictions.

To meet possible corrupt files, I suggest:

Clean reinstall it

We use this name, but it isn't about deleting your settings, this is to ensure that the program, files are clean (no incompatible or exotic code files). As described below, this process does not disrupt your existing settings. Don't uninstall NOT Firefox, that does not need.

(A) download a fresh Installer for Firefox 43.0 https://www.mozilla.org/firefox/all/ in an ideal location. (Scroll down your preferred language).

(B) the release of Firefox (if any).

(C) to rename the folder of the program as follows:

(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

(D) to run the installation program that you downloaded in step (A). It should automatically connect to your existing settings.

A cleanly reinstalled Firefox starts up normally?

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

Tags: Firefox

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