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Firefox crashes

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Hello

I am on a dell windows 7 ultimate. 16 gig laptop, all updated, but not letting me install Firefox. Just crashes. issue started about a month ago, before then all was fine I have no file to upload but the crash pop up I receive when I try to open it, or install it.

Hello I am on a dell windows 7 ultimate. 16 gig laptop, all updated, but not letting me install Firefox. Just crashes. issue started about a month ago, before then all was fine I have no file to upload but the crash pop up I receive when I try to open it, or install it.

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Normally, you get a quick-downloading "stub" installer from the Firefox download page, which needs to connect back to Mozilla for additional files. Some security software blocks that.

You can try getting the "full" installer from this page (scroll down to your preferred language) to see whether that works any better:

https://www.mozilla.org/firefox/all/


Are you installing over a previous installation of Firefox or did you try to uninstall in between? In case files are a bit scrambled now, you may need to do this:

Clean Reinstall

We use this name, but it's not about removing your settings, it's about making sure the program files are clean. As described below, this process does not disturb your existing settings. Do NOT uninstall Firefox, that's not needed.

(1) Download a fresh installer for Firefox 37.0.2 from https://www.mozilla.org/firefox/all/ to a convenient location. (Scroll down to your preferred language.)

(2) Exit out of Firefox (if applicable).

(3) Rename the program folder

(32-bit Windows folder names)

C:\Program Files\Mozilla Firefox

to

C:\Program Files\OldFirefox

(64-bit Windows folder names)

C:\Program Files (x86)\Mozilla Firefox

to

C:\Program Files (x86)\OldFirefox

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

Any improvement?

Note: Some plugins may exist only in that OldFirefox folder. If something essential is missing, look in these folders:

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