What to do when Firefox Browser does not Start Up

The best feature of Firefox is the support for 1000s of Add-ons to increase the features. Sometimes Firefox fails to start up because of some add-ons. When Firefox is opened, it runs in background and it is present under the processes list in task manager but is not listed under applications that are running. This is a common problem with Firefox and the solution is also simple.

1. First go to Task Manager and end process “firefox.exe”.
2. Go to programs -> Mozilla Firefox -> Firefox (safe mode)

3. In the check list select for defaults and disable all add-ons.
4. Click make the changes and restart.

Now Firefox will start normally without any issues.

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7 Responses to “What to do when Firefox Browser does not Start Up”

  1. Good tip (though making a new profile with the firefox.exe -P command on run is also possible, as new profiles don’t have extensions).

    I never use more than 5-6 extensions, because more will only make an otherwise decently fast browser pathetic and slow.

  2. Fortunately i never faced such a problem yet…bookmarked for future references

  3. @Sumesh,
    Thats also a good way, to create a new profile.
    Even if you use only 5-6 add-ons, an update in a single add-on can cause firefox to stop starting up.

  4. I tried to uninstall and reinstall Firefox, still its not opening the brower, even the safe mode option doesnot pull up any thing. deleted every thing from the Firefox website stil nogo, any other sugestions please email me. nandu_prakash@dell.com

  5. I have the same problem. Even Safe Mode does not open. I had some viruses. I believe that is when it started. I have removed the viruses but still no Firefox. I have uninstalled it and re-installed (fresh download) but no luck.
    :(

    HELP. I will not use IE. Also (may be related), if I search with IE, Yahoo, when I click on a serach result, it takes me somewhere else. Not where I clicked.

    >:

  6. Thanks a lot for this simple but very effective tip.
    I tried backing up profile , updating firefox ..etc.. But nothing worked..

  7. same issues here, will not start up, not in task manager, safe mode doesnt work. Any real answers anywhere.

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